Otsego County, New York
Overview
Otsego County is a county located in the U.S. state
U.S. state
A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of 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...

. The 2010 population was 62,259. The county seat
County seat
A county seat is an administrative center, or seat of government, for a county or civil parish. The term is primarily used in the United States....

 is Cooperstown
Cooperstown, New York
Cooperstown is a village in Otsego County, New York, USA. It is located in the Town of Otsego. The population was estimated to be 1,852 at the 2010 census.The Village of Cooperstown is the county seat of Otsego County, New York...

. The name Otsego is from a Mohawk
Mohawk language
Mohawk is an Iroquoian language spoken by around 2,000 people of the Mohawk nation in the United States and Canada . Mohawk has the largest number of speakers of the Northern Iroquoian languages; today it is the only one with greater than a thousand remaining...

 word meaning "place of the rock."
For History of Otsego County before 1789 see Montgomery County
Montgomery County, New York
As of the census of 2000, there were 49,708 people, 20,038 households, and 13,104 families residing in the county. The population density was 123 people per square mile . There were 22,522 housing units at an average density of 56 per square mile...

.

In 1789, Ontario County
Ontario County, New York
As of the census of 2000, there were 100,224 people, 38,370 households, and 26,360 families residing in the county. The population density was 156 people per square mile . There were 42,647 housing units at an average density of 66 per square mile...

 was split off from Montgomery. The area split off from Montgomery County
Montgomery County, New York
As of the census of 2000, there were 49,708 people, 20,038 households, and 13,104 families residing in the county. The population density was 123 people per square mile . There were 22,522 housing units at an average density of 56 per square mile...

 was much larger than the present county, as it included the present Allegany
Allegany County, New York
Allegany County is a county located in the U.S. state of New York. As of the 2010 census, the population was 48,946. Its name derives from a Delaware Indian word, applied by settlers of Western New York State to a trail that followed the Allegheny River. Its county seat is...

, Cattaraugus
Cattaraugus County, New York
Cattaraugus County is a county located in the U.S. state of New York. As of the 2010 census, the population was 80,317. The county seat is Little Valley.-History:...

, Chautauqua
Chautauqua County, New York
-Major highways:* Interstate 86/New York State Route 17 * Interstate 90 * U.S. Route 20* U.S. Route 62* New York State Route 5* New York State Route 39* New York State Route 60* New York State Route 394...

, Erie
Erie County, New York
Erie County is a county located in the U.S. state of New York. As of the 2010 census, the population was 919,040. The county seat is Buffalo. The county's name comes from Lake Erie, which in turn comes from the Erie tribe of American Indians who lived south and east of the lake before 1654.Erie...

, Genesee
Genesee County, New York
Genesee County is a county located in Western New York, United States. As of the 2010 census, the population was 60,079. Its name is from the Seneca Indian word Gen-nis'-hee-yo meaning "The Beautiful Valley." Its county seat is Batavia.- History :...

, Livingston
Livingston County, New York
As of the census of 2000, there were 64,328 people, 22,150 households, and 15,349 families residing in the county. The population density was 102 people per square mile . There were 24,023 housing units at an average density of 38 per square mile...

, Monroe
Monroe County, New York
Monroe County is a county located in the U.S. state of New York. As of the 2010 census, the population was 744,344. It is named after James Monroe, fifth President of the United States of America. Its county seat is the city of Rochester....

, Niagara
Niagara County, New York
Niagara County is a county located in the U.S. state of New York. As of the 2010 census, the population was 216,469. The county seat is Lockport. The county name is from the Iroquois word Onguiaahra; meaning the strait or thunder of waters. It is the location of Niagara Falls and Fort Niagara, and...

, Orleans
Orleans County, New York
As of the census of 2000, there were 44,171 people, 15,363 households, and 10,846 families residing in the county. The population density was 113 people per square mile . There were 17,347 housing units at an average density of 44 per square mile...

, Steuben
Steuben County, New York
Steuben County is a county located in the U.S. state of New York. As of the 2010 census, the population was 98,990. Its name is in honor of Baron von Steuben, a German general who fought on the American side in the American Revolutionary War, though it is not pronounced the same...

, Wyoming
Wyoming County, New York
Wyoming County is a county located in the U.S. state of New York. At the 2010 census, the population was 42,155. The county seat is Warsaw. The name is from a modified Delaware Indian word meaning "broad bottom lands"...

, Yates
Yates County, New York
Yates County is a county located in the U.S. state of New York. As of the 2010 census, the population was 25,348. The county seat is Penn Yan. The name is in honor of Joseph C. Yates, who as Governor of New York signed the act establishing the county....

, and part of Schuyler
Schuyler County, New York
As of the census of 2000, there were 19,224 people, 7,374 households, and 5,191 families residing in the county. The population density was 58 people per square mile . There were 9,181 housing units at an average density of 28 per square mile...

 and Wayne counties
Wayne County, New York
Wayne County is a county located in the US state of New York. It is part of the Rochester, New York Metropolitan Statistical Area and lies on the south shore of Lake Ontario, forming part of the northern border of the United States with Canada. The name honors General Anthony Wayne, an American...

.
Otsego County was one of three counties split off from Montgomery (the other two being Herkimer
Herkimer County, New York
Herkimer County is a county located in the U.S. state of New York. It was created in 1791 north of the Mohawk River out of part of Montgomery County. As of the 2010 census, the population was 64,519. It is named after General Nicholas Herkimer, who died from battle wounds in 1777 after taking part...

, and Tioga
Tioga County, New York
As of the census of 2010, there were 51,125 people residing in the county, with 22,203 housing units, of these 20,350 occupied, 1,853 vacant. The population density was 98 people per square mile...

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