Iowa County, Iowa

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Iowa County, Iowa
Iowa County Courthouse, Marengo.jpg
Map of Iowa highlighting Iowa County
Location in the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location in the U.S.
Founded 1843
Named for Iowa River
Seat Marengo
Largest city Williamsburg
Area
 • Total 587 sq mi (1,520 km2)
 • Land 586 sq mi (1,518 km2)
 • Water 1.0 sq mi (3 km2), 0.2%
Population
 • (2010) 16,355
 • Density 28/sq mi (11/km²)
Congressional district 1st
Time zone Central: UTC-6/-5
Website www.co.iowa.ia.us

Iowa County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 16,355.[1] The county seat is Marengo.[2]

Iowa County is one of seven counties in the United States to share the same name as the state they are located in. The other six counties are Arkansas County, Hawaii County, Idaho County, New York County, Oklahoma County, and Utah County.[3]

History

Iowa County was formed on February 17, 1843. It was named for the Iowa River, which flows through the county.[4]

The first courthouse was a log cabin built in 1847. This was rented by the county until 1850 when a second courthouse was completed. In 1861 construction of a third courthouse was begun. The current courthouse was built in 1892 after the county had outgrown the previous one.[5]

Iowa County is home to the Amana Colonies, a group of settlements of German Pietists, comprising seven villages. Calling themselves the Ebenezer Society or the Community of True Inspiration (German: die Gemeinde der wahren Inspiration), they first settled in New York state near Buffalo in what is now West Seneca. However, in order to live out their beliefs in more isolated surroundings they moved west, to Iowa County in 1855, living a communal life until the mid-1930s. Today, Amana is a major tourist attraction known mainly for its restaurants and craft shops, and the colonies as a whole have been listed as a National Historic Landmark since 1965.

Geography

According to the U.S. Census Bureau, the county has a total area of 587 square miles (1,520 km2), of which 586 square miles (1,520 km2) is land and 1.0 square mile (2.6 km2) (0.2%) is water.[6]

The county is intersected by the Iowa River and the north fork of the English River.[7]

Major highways

Adjacent counties

Demographics

Historical population
Census Pop. %±
1850 822 —
1860 8,029 876.8%
1870 16,644 107.3%
1880 19,221 15.5%
1890 18,270 −4.9%
1900 19,544 7.0%
1910 18,409 −5.8%
1920 18,600 1.0%
1930 17,332 −6.8%
1940 17,016 −1.8%
1950 15,835 −6.9%
1960 16,396 3.5%
1970 15,419 −6.0%
1980 15,429 0.1%
1990 14,630 −5.2%
2000 15,671 7.1%
2010 16,355 4.4%
Est. 2014 16,375 [8] 0.1%
U.S. Decennial Census[9]
1790-1960[10] 1900-1990[11]
1990-2000[12] 2010-2013[1]

2010 census

The 2010 census recorded a population of 16,355 in the county, with a population density of 27.8881/sq mi (10.7677/km2). There were 7,258 housing units, of which 6,677 were occupied.[13]

2000 census

2000 Census Age Pyramid for Iowa County

As of the census[14] of 2000, there were 15,671 people, 6,163 households, and 4,301 families residing in the county. The population density was 27 people per square mile (10/km²). There were 6,545 housing units at an average density of 11 per square mile (4/km²). The racial makeup of the county was 98.70% White, 0.17% Black or African American, 0.06% Native American, 0.30% Asian, 0.03% Pacific Islander, 0.36% from other races, and 0.38% from two or more races. 0.97% of the population were Hispanic or Latino of any race.

There were 6,163 households out of which 32.80% had children under the age of 18 living with them, 60.10% were married couples living together, 6.60% had a female householder with no husband present, and 30.20% were non-families. 25.90% of all households were made up of individuals and 12.50% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 3.03.

In the county the population was spread out with 26.40% under the age of 18, 6.30% from 18 to 24, 27.80% from 25 to 44, 22.40% from 45 to 64, and 17.10% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 95.00 males. For every 100 females age 18 and over, there were 93.20 males.

The median income for a household in the county was $41,222, and the median income for a family was $48,946. Males had a median income of $31,220 versus $24,652 for females. The per capita income for the county was $18,884. About 3.40% of families and 5.00% of the population were below the poverty line, including 4.50% of those under age 18 and 5.40% of those age 65 or over.

Politics

In the 2008 US presidential election, a nearly equal number of Iowa County voters voted for each major candidate.[15]

Communities

Cities

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Unincorporated communities

Townships

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See also

Notes

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External links

 Tama County Benton County Linn County
Poweshiek County Johnson County
  Iowa County, Iowa  
Keokuk County Washington County

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  4. ↑ History
  5. ↑ Iowa County at Iowa State Association of Counties, retrieved July 26, 2008.
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  15. ↑ Local and National Election Results - Election Center 2008 [1], accessed 16 June 2012.
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