Douglas County, South Dakota | |
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Douglas County Courthouse in Armour
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Location in the U.S. state of South Dakota |
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South Dakota's location in the U.S. |
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Founded | 1882 |
Named for | Stephen A. Douglas |
Seat | Armour |
Largest city | Armour |
Area | |
• Total | 434 sq mi (1,124 km2) |
• Land | 432 sq mi (1,119 km2) |
• Water | 1.9 sq mi (5 km2), 0.4% |
Population (est.) | |
• (2015) | 2,977 |
• Density | 7.0/sq mi (3/km²) |
Congressional district | At-large |
Douglas County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 3,002. Its county seat is Armour. The county was established in 1873 and organized in 1882. It is named for Stephen Douglas, of Illinois.
According to the U.S. Census Bureau, the county has a total area of 434 square miles (1,120 km2), of which 432 square miles (1,120 km2) is land and 1.9 square miles (4.9 km2) (0.4%) is water. It is the second-smallest county in South Dakota by area.
As of the census of 2000, there were 3,458 people, 1,321 households, and 947 families residing in the county. The population density was 8 people per square mile (3/km²). There were 1,453 housing units at an average density of 3 per square mile (1/km²). The racial makeup of the county was 98.06% White, 0.06% Black or African American, 0.98% Native American, 0.14% Asian, 0.12% from other races, and 0.64% from two or more races. 0.38% of the population were Hispanic or Latino of any race. 43.0% were of German and 37.3% Dutch ancestry.