Cerro Gordo County, Iowa
Encyclopedia

2010 census

The 2010 census recorded a population of 44,151 in the county, with a population density of . There were 22,163 housing units, of which 19,350 were occupied.

2000 census

As of the census
Census
A census is the procedure of systematically acquiring and recording information about the members of a given population. It is a regularly occurring and official count of a particular population. The term is used mostly in connection with national population and housing censuses; other common...

of 2000, there were 46,447 people, 19,374 households, and 12,399 families residing in the county. The population density
Population density
Population density is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans...

 was 82 people per square mile (32/km²). There were 21,488 housing units at an average density of 38 per square mile (15/km²). The racial makeup of the county was 96.26% White
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...

, 0.80% Black
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...

 or African American
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...

, 0.17% Native American
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...

, 0.70% Asian
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...

, 0.02% Pacific Islander
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...

, 0.88% from other races
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...

, and 1.16% from two or more races. 2.78% of the population were Hispanic
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...

 or Latino
Race (United States Census)
Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...

 of any race.

There were 19,374 households out of which 29.10% had children under the age of 18 living with them, 51.90% were married couples
Marriage
Marriage is a social union or legal contract between people that creates kinship. It is an institution in which interpersonal relationships, usually intimate and sexual, are acknowledged in a variety of ways, depending on the culture or subculture in which it is found...

 living together, 9.10% had a female householder with no husband present, and 36.00% were non-families. 30.90% of all households were made up of individuals and 13.50% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.91.

In the county the population was spread out with 23.80% under the age of 18, 9.00% from 18 to 24, 26.40% from 25 to 44, 23.20% from 45 to 64, and 17.70% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 92.80 males. For every 100 females age 18 and over, there were 89.10 males.

The median income for a household in the county was $35,867, and the median income for a family was $46,099. Males had a median income of $31,790 versus $21,781 for females. The per capita income
Per capita income
Per capita income or income per person is a measure of mean income within an economic aggregate, such as a country or city. It is calculated by taking a measure of all sources of income in the aggregate and dividing it by the total population...

 for the county was $19,184. About 5.90% of families and 8.50% of the population were below the poverty line, including 9.10% of those under age 18 and 8.60% of those age 65 or over.

Cities

  • Clear Lake
    Clear Lake, Iowa
    Clear Lake is a city in Cerro Gordo County, Iowa, United States. The population was 8,161 at the 2000 census. The city is named for the large lake on which it is located. It is the home of a number of marinas, state parks and tourism-related businesses. Clear Lake is also a major stop on Interstate...

  • Dougherty
    Dougherty, Iowa
    Dougherty is a city in Cerro Gordo County, Iowa, United States. The population was 80 at the 2000 census. It is part of the Mason City Micropolitan Statistical Area.-Geography:Dougherty is located at ....

  • Mason City
    Mason City, Iowa
    Mason City is the county seat of Cerro Gordo County, Iowa, United States. The population was 28,079 in the 2010 census, a decline from 29,172 in the 2000 census. The Mason City Micropolitan Statistical Area includes all of Cerro Gordo and Worth counties....

  • Meservey
    Meservey, Iowa
    Meservey is a city in Cerro Gordo County, Iowa, United States. The population was 252 at the 2000 census. It is part of the Mason City Micropolitan Statistical Area.-History:...

  • Nora Springs
    Nora Springs, Iowa
    Nora Springs is a city in Cerro Gordo and Floyd Counties in the U.S. state of Iowa, along the Shell Rock River. As of the 2000 census, the city population was 1,532....

  • Plymouth
    Plymouth, Iowa
    Plymouth is a city in Cerro Gordo County, Iowa, United States, along the Shell Rock River. The population was 429 at the 2000 census. It is part of the Mason City Micropolitan Statistical Area.-Geography:Plymouth is located at ....

  • Rock Falls
    Rock Falls, Iowa
    Rock Falls is a city in Cerro Gordo County, Iowa, United States, along the Shell Rock River. The population was 170 at the 2000 census. It is part of the Mason City Micropolitan Statistical Area.-Geography:Rock Falls is located at ....

  • Rockwell
    Rockwell, Iowa
    Rockwell is a city in Cerro Gordo County, Iowa, United States. The population was 989 at the 2000 census. It is part of the Mason City Micropolitan Statistical Area.-Geography:Rockwell is located at ....

  • Swaledale
    Swaledale, Iowa
    Swaledale is a city in Cerro Gordo County, Iowa, United States. The population was 174 at the 2000 census. It is part of the Mason City Micropolitan Statistical Area.-Geography:Swaledale is located at ....

  • Thornton
    Thornton, Iowa
    Thornton is a city in Cerro Gordo County, Iowa, United States. The population was 422 at the 2000 census. It is part of the Mason City Micropolitan Statistical Area.-Geography:Thornton is located at ....

  • Ventura
    Ventura, Iowa
    Ventura is a city in Cerro Gordo County, Iowa, United States. The population was 670 at the 2000 census. It is part of the Mason City Micropolitan Statistical Area.-Geography:Ventura is located at ....


  • Townships

    Cerro Gordo County is divided into sixteen townships
    Township (United States)
    A township in the United States is a small geographic area. Townships range in size from 6 to 54 square miles , with being the norm.The term is used in three ways....

    :
    • Bath
      Bath Township, Cerro Gordo County, Iowa
      Bath Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 337.-Geography:Bath Township covers an area of and contains no incorporated settlements. The city of Rockwell borders it to the south....

    • Clear Lake
      Clear Lake Township, Cerro Gordo County, Iowa
      Clear Lake Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 8,161.-Geography:...

    • Dougherty
      Dougherty Township, Cerro Gordo County, Iowa
      Dougherty Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 275.-Geography:Dougherty Township covers an area of and contains one incorporated settlement, Dougherty. According to the USGS, it contains one cemetery, Saint Patricks...

    • Falls
      Falls Township, Cerro Gordo County, Iowa
      Falls Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 1,093.-Geography:Falls Township covers an area of and contains two incorporated settlements: Plymouth and Rock Falls. According to the USGS, it contains three cemeteries:...

  • Geneseo
    Geneseo Township, Cerro Gordo County, Iowa
    Geneseo Township is one of sixteen townships in Cerro Gordo County, Iowa, United States. As of the 2000 census, its population was 1,206.-Geography:...

  • Grant
    Grant Township, Cerro Gordo County, Iowa
    Grant Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 354.Grant Township was the site of the airplane crash north of the city of Clear Lake, in which rock and roll stars Buddy Holly, Ritchie Valens, and J.P. "The Big Bopper"...

  • Grimes
    Grimes Township, Cerro Gordo County, Iowa
    Grimes Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 851.-Geography:Grimes Township covers an area of and contains two incorporated settlements: all of Meservey and most of Thornton...

  • Lake
    Lake Township, Cerro Gordo County, Iowa
    Lake Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 345.-Geography:Lake Township covers an area of and contains no incorporated settlements. According to the USGS, it contains one cemetery, Memorial Park...

  • Lime Creek
    Lime Creek Township, Cerro Gordo County, Iowa
    Lime Creek Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 629.-Geography:Lime Creek Township covers an area of and contains no incorporated settlements. Mason City, the county seat, borders it to the south.-External links:* *...

  • Lincoln
    Lincoln Township, Cerro Gordo County, Iowa
    Lincoln Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 277.-Geography:Lincoln Township covers an area of and contains no incorporated settlements. According to the USGS, it contains one cemetery, Lincoln. The southeast corner of...

  • Mason
    Mason Township, Cerro Gordo County, Iowa
    Mason Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 464.-Geography:Mason Township covers an area of and contains no incorporated settlements. It is the smallest township in area in the county. Mason City, the county seat, borders...

  • Mount Vernon
    Mount Vernon Township, Cerro Gordo County, Iowa
    Mount Vernon Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 351.-Geography:...

  • Owen
    Owen Township, Cerro Gordo County, Iowa
    Owen Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 317.-Geography:Owen Township covers an area of and contains no incorporated settlements. According to the USGS, it contains one cemetery, Owen's Grove.-External links:* *...

  • Pleasant Valley
    Pleasant Valley Township, Cerro Gordo County, Iowa
    Pleasant Valley Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 494.-Geography:...

  • Portland
    Portland Township, Cerro Gordo County, Iowa
    Portland Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 331.-Geography:Portland Township covers an area of and contains a very small part of the city of Nora Springs . The county seat, Mason City, borders the township to the...

  • Union
    Union Township, Cerro Gordo County, Iowa
    Union Township is one of sixteen townships in Cerro Gordo County, Iowa, USA. As of the 2000 census, its population was 185.-Geography:Union Township covers an area of and contains no incorporated settlements.-External links:* *...


  • Unincorporated communities

    • Burchinal
    • Cameron
    • Cartersville
    • Emery
  • Freeman
  • Hurley
  • Portland

  • External links

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