Iowa County (Iowa)
![]() The Iowa County Courthouse in Marengo, listed on NRHP No. 81000247 |
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administration | |
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US state : | Iowa |
Administrative headquarters : | Marengo |
Address of the administrative headquarters: |
County Courthouse P.O. Box 126 Marengo, IA 52301-0126 |
Foundation : | February 17, 1843 |
Made up from: | Keokuk County |
Area code : | 001 319 |
Demographics | |
Residents : | 16,355 (2010) |
Population density : | 10.8 inhabitants / km 2 |
geography | |
Total area : | 1521 km² |
Water surface : | 2 km² |
map | |
Website : www.co.iowa.ia.us |
The Iowa County is a county in the US state of Iowa . At the 2010 census , the county had 16,355 residents and a population density of 10.8 people per square kilometer. The county seat is Marengo .
geography
The county is located in east-east Iowa and the Iowa River flows through it. It has an area of 1,521 square kilometers, of which two square kilometers are water. The following counties border Iowa County:
Tama County | Benton County | Linn County |
Poweshiek County |
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Johnson County |
Keokuk County | Washington County |
history
Iowa County was formed on February 17, 1843 from former parts of Washington County on the area of what was then Wisconsin Territory . It was named after the Iowa River that flows through the county.
![](https://upload.wikimedia.org/wikipedia/commons/thumb/0/07/Akerman_Winery_Haus_Amana_IA_-_panoramio.jpg/220px-Akerman_Winery_Haus_Amana_IA_-_panoramio.jpg)
Iowa County has a National Historic Landmark , the Amana Colonies . 10 other structures and sites in the county are on the National Register of Historic Places .
Demographic data
growth of population | |||
---|---|---|---|
Census | Residents | ± in% | |
1850 | 822 | - | |
1860 | 8029 | 876.8% | |
1870 | 16,644 | 107.3% | |
1880 | 19,221 | 15.5% | |
1890 | 18,270 | -4.9% | |
1900 | 19,544 | 7% | |
1910 | 18,409 | -5.8% | |
1920 | 18,600 | 1 % | |
1930 | 17,332 | -6.8% | |
1940 | 17,016 | -1.8% | |
1950 | 15,835 | -6.9% | |
1960 | 16,396 | 3.5% | |
1970 | 15,419 | -6% | |
1980 | 15,429 | 0.1% | |
1990 | 14,630 | -5.2% | |
2000 | 15,671 | 7.1% | |
2010 | 16,355 | 4.4% | |
Before 1900 1900–1990 2000–2010 |
As of the 2010 census , Iowa County had 16,355 people in 6,391 households. The population density was 10.8 inhabitants per square kilometer.
The racial the population was composed of 97.8 percent white, 0.3 percent African American, 0.2 percent Native American, 0.3 percent Asian and other ethnic groups; 0.8 percent were descended from two or more races. Hispanic or Latino of any race was 1.9 percent of the population.
Statistically, 2.41 people lived in the 6,391 households.
24.6 percent of the population were under 18 years old, 58.2 percent were between 18 and 64 and 17.2 percent were 65 years or older. 50.7 percent of the population was female.
The median income for a household was 52,079 USD . The per capita income was $ 26,491. 7.6 percent of the population lived below the poverty line.
Places in Iowa County
1 - partly in Keokuk County
2 - partly in Poweshiek County
structure
Iowa County is divided into 16 townships :
Individual evidence
- ^ Extract from the National Register of Historic Places.Retrieved March 13, 2011
- ↑ Iowa County in the Geographic Names Information System of the United States Geological Survey Accessed 25 February 2011
- ↑ a b c U.S. Census Bureau, State & County QuickFacts - Iowa County, IA ( July 11, 2011 memento on WebCite ) Retrieved April 12, 2012
- ^ National Association of Counties.Retrieved January 3, 2012
- ↑ Search mask database in the National Register Information System. National Park Service , accessed August 26, 2017.
- ^ US Census Bureau - Census of Population and Housing.Retrieved March 15, 2011
- ^ Extract from Census.gov.Retrieved February 16, 2011
- ↑ 2010 US Census Iowa Township and Other Subdivision Population. Retrieved July 23, 2019 .
Web links
Coordinates: 41 ° 41 ′ N , 92 ° 4 ′ W