Decatur County, Iowa facts for kids
Quick facts for kids
Location within the U.S. state of Iowa
Iowa's location within the U.S.
|Named for||Stephen Decatur Jr.|
|• Total||533 sq mi (1,380 km2)|
|• Land||532 sq mi (1,380 km2)|
|• Water||1.6 sq mi (4 km2) 0.3%|
|• Density||14.343/sq mi (5.538/km2)|
|Time zone||UTC−6 (Central)|
|• Summer (DST)||UTC−5 (CDT)|
Decatur County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 7,645. The county seat is Leon. This county is named for Stephen Decatur Jr., a hero in the War of 1812.
According to the U.S. Census Bureau, the county has a total area of 533 square miles (1,380 km2), of which 532 square miles (1,380 km2) is land and 1.6 square miles (4.1 km2) (0.3%) is water.
- Clarke County (north)
- Wayne County (east)
- Mercer County, Missouri (southeast)
- Harrison County, Missouri (southwest)
- Ringgold County (west)
|U.S. Decennial Census
The 2020 census recorded a population of 7,645 in the county, with a population density of 14.3482/sq mi (5.5399/km2). 96.44% of the population reported being of one race. 89.86% were non-Hispanic White, 1.41% were Black, 2.76% were Hispanic, 0.26% were Native American, 0.51% were Asian, 0.31% were Native Hawaiian or Pacific Islander and 4.88% were some other race or more than one race. There were 3,653 housing units of which 2,986 were occupied.
The 2010 census recorded a population of 8,457 in the county, with a population density of 15.897/sq mi (6.138/km2). There were 3,834 housing units, of which 3,223 were occupied.
Dan Doerfler, PE
Clerk of Court
Public Health Administrator
Veterans Affairs Administrator
Mental Health Director
Decatur County is divided into these townships:
- Garden Grove
- Grand River
- High Point
- Long Creek
- New Buda
The population ranking of the following table is based on the 2010 census of Decatur County.
† county seat
|Rank||City/Town/etc.||Municipal type||Population (2010 Census)|
|8||Weldon (partially in Clarke County)||City||125|
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