Union County Sheriff's Office

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Union County occupies the extreme south eastern corner of the state of South Dakota, with Iowa and Nebraska as neighbors. The county seat is Elk Point. Union County is one of 66 counties in South Dakota. The estimated population in 2006 was 13,357. This was an increase of 6.14% from the 2000 census. In 2002, the per capita personal income in Union County was $37,416. This was an increase of 14.5% from 1997. The 2003 figure was 121% of the national per capita income, which was $30,906. Union County is 467 square miles and is an agriculture area (dairy products); hay, corn, soybeans; honey; cattle and hogs.