Hamilton County, Iowa

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Hamilton County, Iowa
Map of Iowa highlighting Hamilton County
Location in the state of Iowa
Map of the United States highlighting Iowa
Iowa's location in the U.S.
Founded 1856
Seat Webster City
Largest city Webster City
Area
 • Total 577.44 sq mi (1,496 km2)
 • Land 576.68 sq mi (1,494 km2)
 • Water 0.76 sq mi (2 km2), 0.13%
Population
 • (2010) 15,673
 • Density 27/sq mi (10/km²)
Congressional district 4th
Time zone Central: UTC-6/-5
Website www.hamiltoncounty.org

Hamilton County is a county located in the U.S. state of Iowa. The population was 15,673 in the 2010 census, a decline from 16,438 in the 2000 census.[1] The county seat is Webster City.[2] It was named in honor of William W. Hamilton, who served as President of the Iowa State Senate.

Geography[edit]

According to the 2000 census, the county has a total area of 577.44 square miles (1,495.6 km2), of which 576.68 square miles (1,493.6 km2) (or 99.87%) is land and 0.76 square miles (2.0 km2) (or 0.13%) is water.[3]

Major highways[edit]

Adjacent counties[edit]

Demographics[edit]

Historical population
Census Pop.
1860 1,699
1870 6,055 256.4%
1880 11,252 85.8%
1890 15,319 36.1%
1900 19,514 27.4%
1910 19,242 −1.4%
1920 19,531 1.5%
1930 20,978 7.4%
1940 19,922 −5.0%
1950 19,660 −1.3%
1960 20,032 1.9%
1970 18,383 −8.2%
1980 17,862 −2.8%
1990 16,071 −10.0%
2000 16,438 2.3%
2010 15,673 −4.7%
Est. 2012 15,344 −2.1%
U.S. Decennial Census[4]
2012 Estimate[5]

2010 census[edit]

The 2010 census recorded a population of 15,673 in the county, with a population density of 27.1780/sq mi (10.4935/km2). There were 7,219 housing units, of which 6,540 were occupied.[1]

2000 census[edit]

2000 Census Age Pyramid for Hamilton County

As of the census[6] of 2000, there were 16,438 people, 6,692 households, and 4,597 families residing in the county. The population density was 28 people per square mile (11/km²). There were 7,082 housing units at an average density of 12 per square mile (5/km²). The racial makeup of the county was 96.71% White, 0.23% Black or African American, 0.20% Native American, 1.46% Asian, 0.01% Pacific Islander, 0.61% from other races, and 0.78% from two or more races. 1.42% of the population were Hispanic or Latino of any race.

There were 6,692 households out of which 30.60% had children under the age of 18 living with them, 57.90% were married couples living together, 7.60% had a female householder with no husband present, and 31.30% were non-families. 27.50% of all households were made up of individuals and 13.60% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 2.95.

In the county the population was spread out with 25.40% under the age of 18, 7.10% from 18 to 24, 27.10% from 25 to 44, 22.40% from 45 to 64, and 18.00% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 98.00 males. For every 100 females age 18 and over, there were 94.80 males.

The median income for a household in the county was $38,658, and the median income for a family was $45,771. Males had a median income of $30,579 versus $23,595 for females. The per capita income for the county was $18,801. About 4.30% of families and 6.30% of the population were below the poverty line, including 7.70% of those under age 18 and 5.50% of those age 65 or over.

Cities and towns[edit]

See also[edit]

References[edit]

  1. ^ a b "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. Retrieved May 12, 2011. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "Census 2000 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-02-13. 
  4. ^ "U.S. Decennial Census". Census.gov. Retrieved August 3, 2013. 
  5. ^ "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2012". Census.gov. Retrieved August 3, 2013. 
  6. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 

External links[edit]

Coordinates: 42°22′55″N 93°42′39″W / 42.38194°N 93.71083°W / 42.38194; -93.71083