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Cities and Towns in the United States > State South Dakota > Union County
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Union County, located in the southeastern corner of South Dakota, offers a mix of historical charm and natural beauty. Visitors can explore the Union County Courthouse, a landmark listed on the National Register of Historic Places. The county is also home to scenic walking trails and the Lake Alvin Recreation Area, a popular spot for outdoor activities such as fishing and picnicking. Each year, the Union County Fair attracts locals and tourists alike with its array of entertainment and agricultural exhibits. With its rich history and picturesque landscapes, Union County provides a welcoming destination for travelers seeking a quiet retreat.

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Union County administration contact details

Union County administration contact detailsUnion County Courthouse, 209 E. Main Street, Elk Point, SD 57025
County seatElk Point
Phone number(605) 356-2391
Email address[email protected]
Official websitehttps://unioncountysd.org
County clerkKarri J. Gravatt
County auditorJacki Sieverding
County fiscal officerJacki Sieverding

Union County, SD Sheriff's Office and Jail Information

Number of prisons1
Jail namesUnion County Jail
Sheriff office address209 East Main Street, Suite 250, Elk Point, SD 57025
Sheriff office phone number605-356-2679
Inmate search informationTo locate an inmate in Union County, contact the Union County Sheriff’s Office directly, or visit their website for more information on inmate listings and visitation policies.
Clerk of Court nameKris M. Swanstrom
Clerk of Court address209 East Main Street, Suite 240, Elk Point, SD 57025

Union County (SD) Statistics

Number of cities/towns/villages5
Population15,000
Area467 sq mi
Density32 /sq mi
Altitude1,220 ft
Median Household Income$65,000
Poverty rate10%
Unemployment rate4%
Educational Attainment (Bachelor's Degree or higher)30%

Environmental risk in Union County, SD

Overall riskRelatively Low
Expected Annual LossRelatively Low
Social VulnerabilityVery Low
Community ResilienceRelatively High
Avalanche RiskNot Applicable
Coastal Flooding RiskNot Applicable
Cold Wave RiskRelatively Low
Drought RiskRelatively Low
Earthquake RiskVery Low

Data obtained from the FEMA National Risk Index.

counties surrounding Union

Clay 17.1 milesPlymouth 23.4 milesDixon 25.8 miles
Sioux 29.7 milesDakota 30.9 milesLincoln 31 miles

List of cities and towns in Union County by population size

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Birth certificate - U.S. Vital Records