Buchanan County, Iowa
| Buchanan County, Iowa | |
|---|---|
|
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 Location in the U.S. state of Iowa |
|
 Iowa's location in the U.S. |
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| Founded | 1837 |
| Named for | James Buchanan |
| Seat | Independence |
| Largest city | Independence |
| Area | |
| • Total | 573 sq mi (1,484 km2) |
| • Land | 571 sq mi (1,479 km2) |
| • Water | 2.1 sq mi (5 km2), 0.4% |
| Population | |
| • (2010) | 20,958 |
| • Density | 37/sq mi (14/km²) |
| Congressional district | 1st |
| Time zone | Central: UTC-6/-5 |
| Website | www |
Buchanan County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 20,958. Its county seat is Independence. The county was created in 1837 and was named in honor of Senator James Buchanan, the 15th President of the United States.
Buchanan County was formed on December 21, 1837 from parts of Dubuque County. It was named after future US president James Buchanan.
According to the U.S. Census Bureau, the county has a total area of 573 square miles (1,480 km2), of which 571 square miles (1,480 km2) is land and 2.1 square miles (5.4 km2) (0.4%) is water.
The 2010 census recorded a population of 20,958 in the county, with a population density of 36.70/sq mi (14.172/km2). There were 8,968 housing units, of which 8,161 were occupied.
As of the census of 2000, there were 21,093 people, 7,933 households, and 5,672 families residing in the county. The population density was 37 people per square mile (14/km²). There were 8,697 housing units at an average density of 15 per square mile (6/km²). The racial makeup of the county was 98.41% White, 0.27% Black or African American, 0.21% Native American, 0.40% Asian, 0.16% from other races, and 0.54% from two or more races. 0.62% of the population were Hispanic or Latino of any race.
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