Union County, South Dakota | |
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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 | April 10, 1862 |
Seat | Elk Point |
Largest city | North Sioux City |
Area | |
• Total | 467 sq mi (1,210 km2) |
• Land | 461 sq mi (1,194 km2) |
• Water | 6.6 sq mi (17 km2), 1.4% |
Population (est.) | |
• (2015) | 14,909 |
• Density | 31/sq mi (12/km²) |
Congressional district | At-large |
Time zone | Central: UTC-6/-5 |
Website | unioncountysd |
Union County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 14,399. Its county seat is Elk Point. Originally named Cole County, the named was changed to Union because of Civil War sentiment.
Union County is part of the Sioux City, IA–NE–SD Metropolitan Statistical Area. Progressive Farmer rated Union County second in the 2006 "Best Place to Live" in the U.S., because "its schools are good, its towns neat and its people friendly."
According to the U.S. Census Bureau, the county has a total area of 467 square miles (1,210 km2), of which 461 square miles (1,190 km2) is land and 6.6 square miles (17 km2) (1.4%) is water. It is the fifth-smallest county in South Dakota by area.
As of the census of 2000, there were 12,584 people, 4,927 households, and 3,517 families residing in the county. The population density was 27 people per square mile (11/km²). There were 5,345 housing units at an average density of 12 per square mile (4/km²). The racial makeup of the county was 96.85% White, 1.34% Asian, 0.37% Native American, 0.01% Pacific Islander, 0.33% Black or African American, 0.24% from other races, and 0.87% from two or more races. 1.26% of the population were Hispanic or Latino of any race.