Carroll County, Iowa | |
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Location in the U.S. state of Iowa |
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Iowa's location in the U.S. |
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Founded | 1851 |
Named for | Charles Carroll of Carrollton |
Seat | Carroll |
Largest city | Carroll |
Area | |
• Total | 570 sq mi (1,476 km2) |
• Land | 569 sq mi (1,474 km2) |
• Water | 0.8 sq mi (2 km2), 0.1% |
Population | |
• (2010) | 20,816 |
• Density | 37/sq mi (14/km²) |
Congressional district | 4th |
Time zone | Central: UTC-6/-5 |
Website | www |
Carroll County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 20,816. Its county seat is Carroll. The county is named in honor of Charles Carroll of Carrollton, signer of the Declaration of Independence.
Carroll County was formed on January 15, 1851 from sections of Pottawattamie County. It was named after Charles Carroll of Carrollton, Maryland, the only Roman Catholic and longest-living signer of the Declaration of Independence. In 1855, the county government was established in Carrolton and in 1858, the first courthouse was built. In 1869, the seat was moved to Carroll City (today Carroll) which was centrally located and connected to the Chicago and North Western Transportation Company. The courthouse was destroyed in 1886 by fire. The present courthouse was erected in 1965. However the courthouse is set to go under construction in the near future
According to the U.S. Census Bureau, the county has a total area of 570 square miles (1,500 km2), of which 569 square miles (1,470 km2) is land and 0.8 square miles (2.1 km2) (0.1%) is water.
The 2010 census recorded a population of 20,816 in the county, with a population density of 36.58/sq mi (14.125/km2). There were 9,376 housing units, of which 8,683 were occupied.
As of the census of 2000, there were 21,421 people, 8,486 households, and 5,668 families residing in the county. The population density was 38 people per square mile (15/km²). There were 9,019 housing units at an average density of 16 per square mile (6/km²). The racial makeup of the county was 98.87% White, 0.18% Black or African American, 0.10% Native American, 0.34% Asian, 0.20% from other races, and 0.31% from two or more races. 0.54% of the population were Hispanic or Latino of any race.