This chart shows the trends in the partisan composition of the various state legislatures in the United States. In most cases the data point for each year is July 1st, a time when few elections are scheduled. Most states hold legislative elections in the even numbered years, so the data points below are near the end of the term for most states. Nebraska is not included in the national summaries below.

National summary		2011	2010	2008	2006	2004
Lower Houses Lower house A lower house is one of two chambers of a bicameral legislature, the other chamber being the upper house.Despite its official position "below" the upper house, in many legislatures worldwide the lower house has come to wield more power...		R 30-18, 1 tie	D 33–16	D 30–19	R 25–23, 1 tie	R 26–23
Upper Houses Upper house An upper house, often called a senate, is one of two chambers of a bicameral legislature, the other chamber being the lower house; a legislature composed of only one house is described as unicameral.- Possible specific characteristics :...		R 28-20, 1 Coal.	D 28–20, 1 Coal.	D 28–20, 1 Coal.	24–24, 1 tie	R 27–21, 1 tie
Both houses controlled by one party		R 25-15, 9 split	D 27–14, 8 split	D 23–13, 13 split	R 20–19, 10 split	R 21–17, 11 split
Governor and both houses controlled by one party		R 21-11, 17 divided	D 16–9, 24 divided	D 14–9, 26 divided	R 12–8, 29 divided	R 12–8, 29 divided
State	House	2011	2010	2008	2006	2004
Alabama Alabama Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...	House of Representatives Alabama House of Representatives The Alabama House of Representatives is the lower house of the Alabama Legislature, the state legislature of the U.S. state of Alabama. The House is composed of 105 members representing an equal amount of districts, with each constituency containing at least 42,380 citizens. There are no term...	R 66–39	D 60–45	D 62–43	D 63–42	D 64-41
	Senate Alabama Senate The Alabama State Senate is the upper house of the Alabama Legislature, the state legislature of the U.S. state of Alabama. The body is composed of 35 members representing an equal amount of districts across the state, with each district containing at least 127,140 citizens...	R 22–12, 1 Ind.	D 21–13, 1 Ind.	D 22–13	D 25–10	D 25-10
Alaska Alaska Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...	House of Representatives Alaska House of Representatives The Alaska House of Representatives is the lower house in the Alaska Legislature, the state legislature of the U.S. state of Alaska. The House is composed of 40 members, each of whom represents a district of about 15,673 people . Members serve two-year terms without term limits...	R 24–16	R 22–18	R 23–17	R 26–14	R 27-13
	Senate Alaska Senate The Alaska Senate is the upper house in the Alaska Legislature, the state legislature of the U.S. state of Alaska. The Senate consists of twenty members, each of whom represents an equal amount of districts with populations of about 31,347 people . Senators serve four-year terms, without term...	Coal. 16–4	Coal. 16–4	Coal. 15–5	R 12–8	R 12-8
Arizona Arizona Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...	House of Representatives Arizona House of Representatives The Arizona House of Representatives is the lower house of the Arizona Legislature, the state legislature of the U.S. state of Arizona. Its members are elected to two-year terms with a term limit of four consecutive terms...	R 40–20	R 36–24	R 33–27	R 38–22	R 39-20, 1 Ind.
	Senate Arizona Senate The Arizona Senate is part of the Arizona Legislature, the state legislature of the U.S. state of Arizona. The Senate consists of 30 members representing an equal amount of constituencies across the state, with each district having average populations of 219,859 . Members serve two-year terms with...	R 21–09	R 18–12	R 17–13	R 18–12	R 17-13
Arkansas Arkansas Arkansas is a state located in the southern region of the United States. Its name is an Algonquian name of the Quapaw Indians. Arkansas shares borders with six states , and its eastern border is largely defined by the Mississippi River...	House of Representatives Arkansas House of Representatives The Arkansas House of Representatives is the lower house of the Arkansas General Assembly, the state legislature of the U.S. state of Arkansas. The House is composed of 100 members elected from an equal amount of constituencies across the state. Each district has an average population of 26,734...	D 55–44, 1 vac.	D 72–28	D 75-25	D 72-28	D 70-30
	Senate	D 20–15	D 27–8	D 27-8	D 27-8	D 27-8
California California California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...	Assembly California State Assembly The California State Assembly is the lower house of the California State Legislature. There are 80 members in the Assembly, representing an approximately equal number of constituents, with each district having a population of at least 420,000...	D 52–28	D 50–29, 1 Ind.	D 48-32	D 48-32	D 48-32
	Senate California State Senate The California State Senate is the upper house of the California State Legislature. There are 40 state senators. The state legislature meets in the California State Capitol in Sacramento. The Lieutenant Governor is the ex officio President of the Senate and may break a tied vote...	D 25–15	D 26–14	D 25-15	D 25-15	D 25-15
Colorado Colorado Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...	House of Representatives	R 33-32	D 38–27	D 40-25	D 35-30	R 37-28
	Senate	D 20–15	D 20–15	D 20-15	D 18-17	R 18-17
Connecticut Connecticut Connecticut is a state in the New England region of the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and the state of New York to the west and the south .Connecticut is named for the Connecticut River, the major U.S. river that approximately...	House of Representatives Connecticut House of Representatives The Connecticut House of Representatives is the lower house in the Connecticut General Assembly, the state legislature of the U.S. state of Connecticut. The house is composed of 151 members representing an equal number of districts, with each constituency containing nearly 22,600 residents...	D 99-52	D 114–37	D 107-44	D 99-52	D 95-56
	Senate Connecticut Senate The Connecticut State Senate is the upper house of the Connecticut General Assembly, the state legislature of the U.S. state of Connecticut. The state senate comprises 36 members, each representing a district with around 94,600 inhabitants. Senators are elected to two-year terms without term limits...	D 22-14	D 24–12	D 23-13	D 24-12	D 21-15
Delaware Delaware Delaware is a U.S. state located on the Atlantic Coast in the Mid-Atlantic region of the United States. It is bordered to the south and west by Maryland, and to the north by Pennsylvania...	House of Representatives Delaware House of Representatives The Delaware House of Representatives is the lower house of the Delaware General Assembly; the state legislature of the U.S. State of Delaware. It is composed of 41 Representatives from an equal amount of constituencies, each of whom is elected to a two year term. The Delaware General Assembly...	D 26-15	D 24–16, 1 Vac.	R 22-19	R 26-15	R 29-12
	Senate Delaware Senate The Delaware Senate is the upper house of the Delaware General Assembly, the state legislature of the U.S. State of Delaware. It is composed of 21 Senators, each of whom is elected to a four-year term, except when reapportionment occurs, at which time Senators may be elected to a two-year term....	D 14-7	D 15–6	D 13-8	D 13-8	D 13-8
Florida Florida Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...	House of Representatives Florida House of Representatives The Florida House of Representatives is the lower house of the Florida Legislature, the state legislature of the U.S. state of Florida. The House is composed of 120 members representing an equal number of districts, with each district having an average population of 156,677.The House convenes at...	R 81-39	R 76–44	R 78-42	R 85-35	R 81-39
	Senate Florida Senate The Florida Senate is the upper house of the Florida Legislature, the state legislature of the U.S. state of Florida. The Senate is composed of 40 members representing an equal number of districts, with each district having an average population of 470,032....	R 28-12	R 26–14	R 26-14	R 26-14	R 26-14
Georgia Georgia (U.S. state) Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...	House of Representatives Georgia House of Representatives The Georgia House of Representatives is the lower house of the Georgia General Assembly of the U.S. state of Georgia.-Composition:...	R 116-63, 1 Ind.	R 105–74, 1 Ind.	R 107-73	R 100-79, 1 Ind.	D 107-72, 1 Ind.
	Senate Georgia Senate The Georgia State Senate is the upper house of the Georgia General Assembly .-Composition:According to the state constitution of 1983, this body is to be composed of no more than 56 members elected for two-year terms. Current state law provides for 56 members...	R 36-20	R 34–22	R 34-22	R 34-22	R 30-26
Hawaii Hawaii Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...	House of Representatives Hawaii House of Representatives The Hawaii House of Representatives is the lower house of the Hawaii State Legislature. Accord to Article III, Section 3 of the Hawaii Constitution, amended during the 1978 constitutional convention, the House of Representatives consists of 51 members representing an equal amount of districts...	D 43-8	D 45–6	D 44-7	D 41-10	D 36-15
	Senate	D 24-1	D 23–2	D 21-4	D 20-5	D 20-5
Idaho Idaho Idaho is a state in the Rocky Mountain area of the United States. The state's largest city and capital is Boise. Residents are called "Idahoans". Idaho was admitted to the Union on July 3, 1890, as the 43rd state....	House of Representatives Idaho House of Representatives The Idaho House of Representatives is the lower chamber of the Idaho State Legislature. It consists of 70 representatives elected to two-year terms and meets at the Idaho State Capitol in Boise, Idaho.-Composition of the House:...	R 57-13	R 52–18	R 51-19	R 57-13	R 54-16
	Senate Idaho Senate The Idaho Senate is the upper chamber of the Idaho State Legislature. It consists of 35 Senators elected to two-year terms, each representing a district of the state. The Senate meets at the Idaho State Capitol in Boise, Idaho.-Composition of the Senate:...	R 28–7	R 28–7	R 28-7	R 28-7	R 28-7
Illinois Illinois Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...	House of Representatives Illinois House of Representatives The Illinois House of Representatives is the lower house of the Illinois General Assembly, the state legislature of the U.S. state of Illinois. The body was created by the first Illinois Constitution adopted in 1818. The state House of Representatives is made of 118 representatives elected from...	D 64-54	D 70–48	D 67-51	D 65-53	D 66-52
	Senate Illinois Senate The Illinois Senate is the upper chamber of the Illinois General Assembly, the legislative branch of the government of the state of Illinois in the United States. The body was created by the first state constitution adopted in 1818. The Illinois Senate is made up of 59 senators elected from...	D 35-24	D 37–22	D 37-22	D 31-27 1 Ind.	D 32-26, 1 Ind.
Indiana Indiana Indiana is a US state, admitted to the United States as the 19th on December 11, 1816. It is located in the Midwestern United States and Great Lakes Region. With 6,483,802 residents, the state is ranked 15th in population and 16th in population density. Indiana is ranked 38th in land area and is...	House of Representatives Indiana House of Representatives The Indiana House of Representatives is the lower house of the Indiana General Assembly, the state legislature of the U.S. state of Indiana. The House is composed of 100 members representing an equal number of constituent districts. House members serve two-year terms without term limits...	R 60-40	D 52–47, 1 Ind.	D 51-49	R 52-48	D 51-49
	Senate Indiana Senate The Indiana Senate is the upper house of the Indiana General Assembly, the state legislature of the U.S. state of Indiana. The Senate is composed of 50 members representing an equal number of constituent districts. Senators serve four-year terms without term limits...	R 37-13	R 33–17	R 33-17	R 33-17	R 32-18
Iowa Iowa Iowa is a state located in the Midwestern United States, an area often referred to as the "American Heartland". It derives its name from the Ioway people, one of the many American Indian tribes that occupied the state at the time of European exploration. Iowa was a part of the French colony of New...	House of Representatives Iowa House of Representatives The Iowa House of Representatives is the lower house of the Iowa General Assembly. There are 100 members of the House of Representatives, representing 100 single-member districts across the state with populations of approximately 29,750 for each constituency...	R 60-40	D 56–44	D 53-47	R 51-49	R 54-46
	Senate Iowa Senate The Iowa Senate is the upper house of the Iowa General Assembly. There are 50 members of the Senate, representing 50 single-member districts across the state with populations of approximately 59,500 per constituency. Each Senate district is composed of two House districts...	D 26-24	D 31–19	D 30-20	25-25	R 29-21
Kansas Kansas Kansas is a US state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area. The tribe's name is often said to mean "people of the wind" or "people of the south...	House of Representatives Kansas House of Representatives The Kansas House of Representatives is the lower house of the Kansas Legislature, the legislative body of the U.S. State of Kansas. Composed of 125 state representatives from districts with roughly equal populations of at least 19,000, its members are responsible for crafting and voting on...	R 92-33	R 77–48	R 78-47	R 83-42	R 80-45
	Senate Kansas Senate The Kansas Senate is the upper house of the Kansas Legislature, the state legislature of the U.S. State of Kansas. It is composed of 40 Senators representing an equal amount of districts, each with a population of at least 60,000 inhabitants. Members of the Senate are elected to a four year term....	R 32-8	R 31–9	R 30-10	R 30-10	R 30-10
Kentucky Kentucky The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...	House of Representatives Kentucky House of Representatives The Kentucky House of Representatives is the lower house of the Kentucky General Assembly. It is composed of 100 Representatives elected from single-member districts throughout the Commonwealth. Not more than two counties can be joined to form a House district, except when necessary to preserve...	D 58-42	D 65–35	D 64-36	D 56-44	D 64-36
	Senate Kentucky Senate The Kentucky Senate is the upper house of the Kentucky General Assembly. The Kentucky Senate is composed of 38 members elected from single-member districts throughout the Commonwealth. There are no term limits for Kentucky Senators...	R 22–15, 1 Ind.	R 22–15, 1 Ind.	R 21-16, 1 Ind.	R 21-16, 1 Ind.	R 22-16
Louisiana Louisiana Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...	House of Representatives Louisiana House of Representatives The Louisiana House of Representatives is the lower house in the Louisiana State Legislature, the state legislature of the US state of Louisiana. The House is composed of 105 Representatives, each of whom represents approximately 42,500 people . Members serve four-year terms with a term limit of...	R 55-46, 4 Ind.	D 52–50, 3 Ind.	D 53-50, 2 Ind.	D 67-37, 1 Ind.	D 67-37, 1 Ind.
	Senate	R 22-17	D 22–15, 2 Ind.	D 23-16	D 24-15	D 25-14
Maine Maine Maine is a state in the New England region of the northeastern United States, bordered by the Atlantic Ocean to the east and south, New Hampshire to the west, and the Canadian provinces of Quebec to the northwest and New Brunswick to the northeast. Maine is both the northernmost and easternmost...	House of Representatives Maine House of Representatives The Maine House of Representatives is the lower house of the Maine Legislature. The House consists of 151 members representing an equal amount of districts across the state. Each voting member of the House represents around 8,450 citizens of the state...	R 78-72, 1 Ind.	D 95–55, 1 Ind.	D 90-59, 2 Ind.	73-73, 4 Ind, 1 Green	D 82-66, 4 Ind, 1 Green
	Senate Maine Senate The Maine Senate is the upper house of the Maine Legislature, the state legislature of the U.S. state of Maine. The Senate currently consists of 35 members representing an equal number of districts across the state, though the Maine Constitution allows for "an odd number of Senators, not less than...	R 20-14, 1 Ind.	D 20–15	D 18-17	D 19-16	D 18-17
Maryland Maryland Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...	House of Delegates Maryland House of Delegates The Maryland House of Delegates is the lower house of the General Assembly, the state legislature of the U.S. state of Maryland, and is composed of 141 Delegates elected from 47 districts. The House chamber is located in the state capitol building on State Circle in Annapolis...	D 98-43	D 104–36, 1 Ind.	D 104-37	D 98-43	D 98-43
	Senate	D 35-12	D 33–14	D 33-14	D 33-14	D 33-14
Massachusetts Massachusetts The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...	House of Representatives Massachusetts House of Representatives The Massachusetts House of Representatives is the lower house of the Massachusetts General Court, the state legislature of the Commonwealth of Massachusetts. It is composed of 160 members elected from single-member electoral districts across the Commonwealth. Representatives serve two-year terms...	D 128-31, 1 Ind.	D 143–16, 1 Ind.	D 141-19	D 139-21	D 136-23, 1 Ind.
	Senate Massachusetts Senate The Massachusetts Senate is the upper house of the Massachusetts General Court, the bicameral state legislature of the Commonwealth of Massachusetts. The Senate comprises 40 elected members from 40 single-member senatorial districts in the state...	D 36-4	D 35–5	D 35-5	D 34-6	D 33-7
Michigan Michigan Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....	House of Representatives	R 63-47	D 67–43	D 58-52	R 58-49, 3 Vac.	R 63-46, 1 Vac.
	Senate Michigan Senate The Michigan Senate is the upper house of the Michigan Legislature. The Senate consists of 38 members, who are elected from constituencies having approximately 212,400 to 263,500 residents....	R 26-12	R 21–17	R 21-17	R 22-16	R 22-16
Minnesota Minnesota Minnesota is a U.S. state located in the Midwestern United States. The twelfth largest state of the U.S., it is the twenty-first most populous, with 5.3 million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state...	House of Representatives Minnesota House of Representatives The Minnesota House of Representatives is the lower house in the Minnesota State Legislature. There are 134 members elected to two-year terms, twice the number of members in the Minnesota Senate. Each senate district is divided in half and given the suffix A or B...	R 72-62	DFL 87–47	DFL 85-48, 1 Ind.	R 68-66	R 81-53
	Senate Minnesota Senate The Minnesota Senate is the upper house in the Minnesota Legislature. There are 67 members, half as many as are in the Minnesota House of Representatives. In terms of membership, it is the largest upper house of any state legislature. Each Senate district in the state includes an A and B House...	R 37-30	DFL 46–21	DFL 45-22	DFL 37-29, 1 Ind.	D 35-31, 1 Ind.
Mississippi Mississippi Mississippi is a U.S. state located in the Southern United States. Jackson is the state capital and largest city. The name of the state derives from the Mississippi River, which flows along its western boundary, whose name comes from the Ojibwe word misi-ziibi...	House of Representatives Mississippi House of Representatives The Mississippi House of Representatives is the lower house of the Mississippi Legislature, the lawmaking body of the U.S. state of Mississippi....	D 69-53	D 74–48	D 75-47	D 75-47	D 76-46
	Senate	R 27-24, 1 Ind.	D 27–25	D 27-25	D 28-24	D 29-23
Missouri Missouri Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...	House of Representatives Missouri House of Representatives The Missouri House of Representatives is the lower chamber of the Missouri General Assembly. It has 163 members, representing districts with an average size of 31,000 residents. House members are elected for two-year terms during general elections held in even-numbered years.In 1992 Missouri...	R 106-57	R 89–74	R 92-71	R 96-66, 1 Vac.	R 90-73
	Senate Missouri Senate The Missouri State Senate is the upper chamber of the Missouri General Assembly. It has 34 members, representing districts with an average population of 160,000...	R 26-8	R 23–11	R 20-14	R 23-11	R 20-14
Montana Montana Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...	House of Representatives Montana House of Representatives The Montana House of Representatives is, with the Montana Senate, one of the two houses of the Montana Legislature. Composed of 100 members, the House elects its leadership every two years.-Composition of the House:...	R 68-32	D 50–50	R 50-49, 1 Const.	50-50	R 53-47
	Senate Montana Senate The Montana Senate is the upper house of the Montana State Legislature, the state legislative branch of the U.S. state of Montana. The body is composed of 50 senators.-Composition of the Senate:-Officers:*Majority Whip: Greg Barkus...	R 28-22	R 27–23	D 26-24	D 26-24	R 29-21
Nebraska Nebraska Nebraska is a state on the Great Plains of the Midwestern United States. The state's capital is Lincoln and its largest city is Omaha, on the Missouri River....	Unicameral Nebraska Legislature The Nebraska Legislature is the supreme legislative body of the State of Nebraska, in the Great Plains region of the United States. The Legislature meets at the Nebraska State Capitol in the City of Lincoln, Lancaster County....  and non–partisan Senate with 49 members
Nevada Nevada Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...	Assembly Nevada Assembly The Nevada Assembly is the lower house of the Nevada Legislature, the state legislature of the U.S. state of Nevada. The body consists of 42 members, elected to two-year terms from single-member districts. Each Assembly district contained approximately 47,400 people as of the 2000 census, although...	D 26-16	D 28–14	D 27-15	D 26-16	D 23-19
	Senate Nevada Senate The Nevada Senate is the upper house of the Nevada Legislature, the state legislature of U.S. state of Nevada. The Senate consists of 21 members from 19 districts, two of which are multimember. Each senator represented approximately 94,700 people as of the 2000 census, although 2006 Census Bureau...	D 11-10	D 12–9	R 11-10	R 12-9	R 13-8
New Hampshire New Hampshire New Hampshire is a state in the New England region of the northeastern United States of America. The state was named after the southern English county of Hampshire. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Atlantic Ocean to the east, and the Canadian...	House of Representatives New Hampshire House of Representatives The New Hampshire House of Representatives is the lower house in the New Hampshire General Court. The House of Representatives consists of 400 members coming from 103 districts across the state, created from divisions of the state's counties. On average, each legislator represents about 3,300...	R 294-103, 3 vac.	D 225–175	D 239-161	R 247-152 1 Vac.	R 279-121
	Senate New Hampshire Senate The New Hampshire Senate has been meeting since 1784. It is the upper house of the New Hampshire General Court. It consists of 24 members representing Senate districts based on population...	R 19-5	D 14–10	D 14-10	R 16-8	R 18-6
New Jersey New Jersey New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...	General Assembly New Jersey General Assembly The New Jersey General Assembly is the lower house of the New Jersey Legislature.Since the election of 1967 , the Assembly has consisted of 80 members. Two members are elected from each of New Jersey's 40 legislative districts for a term of two years, each representing districts with average...	D 47–33	D 47–33	D 48-32	D 49-31	D 47-33
	Senate New Jersey Senate The New Jersey Senate was established as the upper house of the New Jersey Legislature by the Constitution of 1844, replacing the Legislative Council. From 1844 until 1965 New Jersey's counties elected one Senator, each. Under the 1844 Constitution the term of office was three years. The 1947...	D 23–17	D 23–17	D 23-17	D 22-18	D 22-18
New Mexico New Mexico New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...	House of Representatives New Mexico House of Representatives The New Mexico House of Representatives is the lower house of the New Mexico State Legislature.There are 70 members of the House. Each member represents roughly 25,980 residents of New Mexico.The Speaker of the House is Ben Luján .-Composition:...	D 37-33	D 45–25	D 42-28	D 42-28	D 43-27
	Senate New Mexico Senate The New Mexico Senate is the upper house of the New Mexico State Legislature. The Senate consists of 42 members, with each senator representing an equal amount of single-member constituent districts across the state. All senatorial districts are divided to contain a population on average of 43,300...	D 27-15	D 27–15	D 24-18	D 24-18	D 24-18
New York New York New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...	Assembly New York State Assembly The New York State Assembly is the lower house of the New York State Legislature. The Assembly is composed of 150 members representing an equal number of districts, with each district having an average population of 128,652...	D 92-51, 6 vac.	D 108–42	D 108-42	D 105-45	D 102-47, 1 Vac.
	Senate New York State Senate The New York State Senate is one of two houses in the New York State Legislature and has members each elected to two-year terms. There are no limits on the number of terms one may serve...	R 32-30	D 32–30	R 32-30	R 35-27	R 37-24, 1 Vac.
North Carolina North Carolina North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...	House of Representatives North Carolina House of Representatives The North Carolina House of Representatives is one of the two houses of the North Carolina General Assembly. The House is a 120-member body led by a Speaker of the House, who holds powers similar to those of the President pro-tem in the state senate....	R 67-52-1	D 68–52	D 68-52	D 63-57	R 61-59
	Senate North Carolina Senate The North Carolina Senate is one of the two houses of the North Carolina General Assembly.Its prerogatives and powers are similar to those of the other house, the House of Representatives. Its members do, however, represent districts that are larger than those of their colleagues in the House. The...	R 31-19	D 30–20	D 31-19	D 29-21	D 27-23
North Dakota North Dakota North Dakota is a state located in the Midwestern region of the United States of America, along the Canadian border. The state is bordered by Canada to the north, Minnesota to the east, South Dakota to the south and Montana to the west. North Dakota is the 19th-largest state by area in the U.S....	House of Representatives North Dakota House of Representatives The North Dakota House of Representatives is the lower house of the North Dakota Legislative Assembly and is larger than the North Dakota Senate....	R 69-25	R 58–36	R 61-33	R 67-27	R 66-28
	Senate North Dakota Senate The North Dakota Senate is the upper house of the North Dakota Legislative Assembly, smaller than the North Dakota House of Representatives.North Dakota is divided into between 40 and 54 legislative districts apportioned by population as determined by the decennial census...	R 35-12	R 26–21	R 26-21	R 32-15	R 31-16
Ohio Ohio Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...	House of Representatives Ohio House of Representatives The Ohio House of Representatives is the lower house of the Ohio General Assembly, the state legislature of the U.S. state of Ohio; the other house of the bicameral legislature being the Ohio Senate....	R 59-40	D 53–46	R 53-46	R 60-38, 1 Vac.	R 62-37
	Senate Ohio Senate The Ohio State Senate is the upper house of the Ohio General Assembly, the legislative body for the U.S. state of Ohio. There are 33 State Senators. The state legislature meets in the state capital, Columbus. The President of the Senate presides over the body when in session, and is currently Tom...	R 23-10	R 21–12	R 21-12	R 22-11	R 22-11
Oklahoma Oklahoma Oklahoma is a state located in the South Central region of the United States of America. With an estimated 3,751,351 residents as of the 2010 census and a land area of 68,667 square miles , Oklahoma is the 28th most populous and 20th-largest state...	House of Representatives Oklahoma House of Representatives The Oklahoma House of Representatives is the lower house of the Oklahoma Legislature, the legislative body of the U.S. state of Oklahoma. Its members are responsible for introducing and voting on bills and resolutions, providing legislative oversight for state agencies, and helping to craft the...	R 70-31	R 62–39	R 57-44	R 57-44	D 53-48
	Senate Oklahoma Senate The Oklahoma Senate is the upper house of the two houses of the Legislature of Oklahoma, the other being the Oklahoma House of Representatives. The total number of Senators is set at 48 by the Oklahoma Constitution....	R 32-16	R 26–22	D 24-24	D 25-22	D 28-20
Oregon Oregon Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...	House of Representatives Oregon House of Representatives The Oregon House of Representatives is the lower house of the Oregon Legislative Assembly. There are 60 members of the House, representing 60 districts across the state, each with a population of 57,000. The House meets at the Oregon State Capitol in Salem....	30-30	D 36–24	D 31-29	R 33-27	R 35-25
	State Senate Oregon State Senate The Oregon State Senate is the upper house of the state-wide legislature for the U.S. state of Oregon. Along with the lower chamber Oregon House of Representatives it makes up the Oregon Legislative Assembly. There are 30 members of the State Senate, representing 30 districts across the state,...	D 16-14	D 18–12	D 18-11, 1 Ind.	D 18-12	15-15
Pennsylvania Pennsylvania The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...	House of Representatives Pennsylvania House of Representatives The Pennsylvania House of Representatives is the lower house of the bicameral Pennsylvania General Assembly, the legislature of the U.S. state of Pennsylvania. There are 203 members, elected for two year terms from single member districts....	R 112-91	D 104–99	D 102-101	R 109-93, 1 Vac.	R 109-94
	Senate	R 30–20	R 30–20	R 29-21	R 29-20, 1 Vac.	R 29-21
Rhode Island Rhode Island The state of Rhode Island and Providence Plantations, more commonly referred to as Rhode Island , is a state in the New England region of the United States. It is the smallest U.S. state by area...	House of Representatives Rhode Island House of Representatives The Rhode Island House of Representatives is the lower house of the Rhode Island General Assembly, the state legislature of the U.S. State of Rhode Island. It is composed of 75 members, elected to two year terms from 75 districts of equal population. The Rhode Island General Assembly does not have...	D 65-10	D 69–6	D 60-15	D 60-15	D 63-11, 1 Ind.
	Senate Rhode Island Senate The Rhode Island Senate is the upper house of the Rhode Island General Assembly, the state legislature of the U.S. State of Rhode Island. It is composed of 38 Senators, each of whom is elected to a two-year term. Rhode Island is one of the 14 states where its upper house serves at a two-year...	D 29-8-1	D 33–4, 1 Ind.	D 33-5	D 33-5	D 32-6
South Carolina South Carolina South Carolina is a state in the Deep South of the United States that borders Georgia to the south, North Carolina to the north, and the Atlantic Ocean to the east. Originally part of the Province of Carolina, the Province of South Carolina was one of the 13 colonies that declared independence...	House of Representatives South Carolina House of Representatives The South Carolina House of Representatives is the lower house of the South Carolina General Assembly, the upper house being the South Carolina Senate. It consists of 124 Representatives elected to two year terms at the same time as US Congressional elections...	R 76-47-1	R 71–53	R 73-51	R 73-51	R 73-51
	Senate South Carolina Senate The South Carolina Senate is the upper house of the South Carolina General Assembly, the lower house being the South Carolina House of Representatives...	R 27-19	R 27–19	R 26-20	R 26-20	R 25-21
South Dakota South Dakota South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...	House of Representatives South Dakota House of Representatives The South Dakota House of Representatives is the lower house of the South Dakota State Legislature. It is made up of 70 members, two from each legislative district...	R 50-19-1	R 46–24	R 50-20	R 51-19	R 49-21
	Senate South Dakota Senate The Senate is the upper house of the South Dakota State Legislature. It is made up of 35 members, one representing each legislative district, and meets at the South Dakota State Capitol in Pierre.-Composition:-Officers:-Members of the 86th Senate:...	R 30-5	R 20–14, 1 Ind.	R 20-15	R 25-10	R 26-9
Tennessee Tennessee Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...	House of Representatives Tennessee House of Representatives The Tennessee House of Representatives is the lower house of the Tennessee General Assembly, the state legislature of the U.S. state of Tennessee.-Constitutional requirements:...	R 64-34-1	R 50–48, 1 Ind.	D 53-46	D 53-46	D 54-45
	Senate Tennessee Senate The Tennessee Senate is the upper house of the Tennessee state legislature, which is known formally as the Tennessee General Assembly.The Tennessee Senate, according to the state constitution of 1870, is composed of 33 members, one-third the size of the Tennessee House of Representatives. Senators...	R 20-13	R 19–14	R 16-16, 1 Ind.	R 17-15, 1 Vac.	D 18-15
Texas Texas Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...	House of Representatives Texas House of Representatives The Texas House of Representatives is the lower house of the Texas Legislature. The House is composed of 150 members elected from single-member districts across the state. The average district has about 150,000 people. Representatives are elected to two-year terms with no term limits...	R 101-49	R 76–74	R 79-71	R 86-64	R 88-62
	Senate Texas Senate The Texas Senate is the upper house of the Texas Legislature. There are 31 members of the Senate, representing 31 single-member districts across the state with populations of approximately 672,000 per constituency. There are no term limits, and each term is four years long. The Senate meets at the...	R 19–12	R 19–12	R 20-11	R 19-12	R 19-12
Utah Utah Utah is a state in the Western United States. It was the 45th state to join the Union, on January 4, 1896. Approximately 80% of Utah's 2,763,885 people live along the Wasatch Front, centering on Salt Lake City. This leaves vast expanses of the state nearly uninhabited, making the population the...	House of Representatives Utah House of Representatives The Utah House of Representatives is the lower house of the Utah State Legislature, the state legislature of the U.S. state of Utah. The House is composed of 75 representatives elected from single member constituent districts. Each district contains an average population of 35,000 people...	R 58-17	R 53–22	R 55-20	R 56-19	R 56-19
	Senate Utah State Senate The Utah State Senate is the upper house of the Utah State Legislature, the state legislature of the U.S. state of Utah. The Senate is composed of 29 elected members representing an equal number of constituent senatorial districts. Each senatorial district is composed of approximately 91,000 people...	R 22-7	R 21–8	R 21-8	R 21-8	R 22-7
Vermont Vermont Vermont is a state in the New England region of the northeastern United States of America. The state ranks 43rd in land area, , and 45th in total area. Its population according to the 2010 census, 630,337, is the second smallest in the country, larger only than Wyoming. It is the only New England...	House of Representatives Vermont House of Representatives The Vermont House of Representatives is the lower house of the Vermont General Assembly, the state legislature of the U.S. state of Vermont. The House comprises 150 members. Vermont legislative districting divides representing districts into 66 single-member districts and 42 two-member...	D 96–46-8	D 95–48 R, 5 Prog, 2 Ind.	D 93-49, 6 Prog. 2 Ind.	D 83-60, 6 Prog, 1 Ind.	R 73-71, 4 Prog, 2 Ind.
	Senate Vermont Senate The Vermont Senate is the upper house of the Vermont General Assembly, the state legislature of the U.S. state of Vermont. The Senate consists of 30 members. Senate districting divides the 30 members into three single-member districts, six two-member districts, three three-member districts, and one...	D 22–8	D 22–7, 1 Prog.	D 23-7	D 21-9	D 19-11
Virginia Virginia The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...	House of Delegates Virginia House of Delegates The Virginia House of Delegates is the lower house of the Virginia General Assembly. It has 100 members elected for terms of two years; unlike most states, these elections take place during odd-numbered years. The House is presided over by the Speaker of the House, who is elected from among the...	R 59–39, 2 Ind.	R 59–39, 2 Ind.	R 53-45, 2 Ind.	R 56-40, 3 Ind, 1 Vac.	R 61-37, 2 Ind.
	Senate Senate of Virginia The Senate of Virginia is the upper house of the Virginia General Assembly. The Senate is composed of 40 Senators representing an equal number of single-member constituent districts. The Senate is presided over by the Lieutenant Governor of Virginia...	D 22–18	D 22–18	D 21-19	R 23-17	R 24-16
Washington	House of Representatives Washington House of Representatives The Washington House of Representatives is the lower house of the Washington State Legislature, the legislature of the U.S. State of Washington. It is composed of 98 Representatives from 49 districts, each of which elects two members. All members of the House are elected to a two-year term without...	D 55-42	D 64–34	D 63-35	D 56-42	D 52-46
	Senate	D 27-22	D 31–18	D 32-17	D 26-23	R 25-24
West Virginia West Virginia West Virginia is a state in the Appalachian and Southeastern regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, Pennsylvania to the northeast and Maryland to the east...	House of Delegates West Virginia House of Delegates The West Virginia House of Delegates is the lower house of the West Virginia Legislature. Only three states—Maryland, Virginia, and West Virginia—refer to their lower house as the House of Delegates.-Historical:-Current:-District organization:...	D 65-35	D 79–21	D 72-28	D 68-32	D 69-31
	Senate West Virginia Senate The West Virginia Senate is the upper house of the West Virginia Legislature.There are 17 senatorial districts. Each district has two senators who serve staggered four-year terms....	D 28–6	D 28–6	D 23-11	D 21-13	D 24-10
Wisconsin Wisconsin Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...	Assembly Wisconsin State Assembly The Wisconsin State Assembly is the lower house of the Wisconsin Legislature. Together with the smaller Wisconsin Senate, the two constitute the legislative branch of the U.S. state of Wisconsin....	R 59-38-1, 1 vac.	D 52–46, 1 Ind.	R 52-47	R 59-39, 1 Vac.	R 59-40
	Senate Wisconsin State Senate The Wisconsin Senate, the powers of which are modeled after those of the U.S. Senate, is the upper house of the Wisconsin State Legislature, smaller than the Wisconsin State Assembly...	R 19-14	D 18–15	D 18-15	R 19-14	R 18-15
Wyoming Wyoming Wyoming is a state in the mountain region of the Western United States. The western two thirds of the state is covered mostly with the mountain ranges and rangelands in the foothills of the Eastern Rocky Mountains, while the eastern third of the state is high elevation prairie known as the High...	House of Representatives Wyoming House of Representatives The Wyoming House of Representatives is the lower house of the Wyoming State Legislature. There are 60 Representatives in the House, representing an equal amount of single-member constituent districts across the state, each with a population of at least 9,000. The House convenes at the Wyoming...	R 50-10	R 41–18	R 43-17	R 46-14	R 45-15
	Senate Wyoming Senate The Wyoming Senate is the upper house of the Wyoming State Legislature. There are 30 Senators in the Senate, representing an equal amount of constituencies across Wyoming, each with a population of at least 17,000. The Senate meets at the Wyoming State Capitol in Cheyenne.Members of the Senate...	R 26-4	R 23–7	R 23-7	R 23-7	R 20-10
National summary		2011	2010	2008	2006	2004
Lower Houses Lower house A lower house is one of two chambers of a bicameral legislature, the other chamber being the upper house.Despite its official position "below" the upper house, in many legislatures worldwide the lower house has come to wield more power...		R 61%-37%, 2% tie	D 67%-33%	D 61%-39%	R 51%-47%, 2% tie	R 53%-47%
Upper Houses Upper house An upper house, often called a senate, is one of two chambers of a bicameral legislature, the other chamber being the lower house; a legislature composed of only one house is described as unicameral.- Possible specific characteristics :...		R 57%-41%, 2% tie	D 57%-41%, 2% Coal.	D 57%-41%, 2% Coal.	49%-49%, 2% tie	R 55%-43%, 2% tie
Both houses controlled by one party		R 51%-31%, 18% split	D 55%–29%, 16% split	D 47%–27%, 27% split	R 41%–39%, 20% split	R 43%–35%, 22% split
Governor and both houses controlled by one party		R 43%-22%, 35% divided	D 33%–18%, 49% divided	D 29%–18%, 53% divided	R 24%–16%, 59% divided	R 24%–16%, 59% divided

See also List of United States state legislatures