Union County, South Dakota

E16885

Union County, South Dakota is a county in the southeastern corner of South Dakota known for its agricultural landscape and location along the Missouri River near the Iowa and Nebraska borders.


Statements (46)
Predicate Object
instanceOf administrative territorial entity
county
areaWaterPercentage approximately 2.5 percent
bordersOn Iowa
Missouri River
Nebraska
borderType tri‑state border region with South Dakota, Iowa, and Nebraska
capital Elk Point, South Dakota
country United States of America
countySeat Elk Point, South Dakota
FIPSCode 46-127
GNISID 1265900
hasBorderFeature Missouri River
hasCharacteristic predominantly agricultural landscape
hasJurisdiction Union County Sheriff’s Office
hasLandUse livestock production
row‑crop farming
hasMajorHighway Interstate 129
Interstate 29
South Dakota Highway 105
South Dakota Highway 11
South Dakota Highway 48
South Dakota Highway 50
hasOfficialWebsite https://unioncountysd.org
hasPart Alcester, South Dakota
Beresford, South Dakota
Dakota Dunes, South Dakota
Elk Point, South Dakota
North Sioux City, South Dakota
inception 1862
ISO3166-2Code US-SD
largestSettlement Dakota Dunes, South Dakota
legislativeBody Union County Commission
locatedIn Great Plains
South Dakota
United States of America
locatedInMetropolitanArea Sioux City metropolitan area
locatedInTimeZone Central Time Zone
UTC−06:00
locatedOn Missouri River valley
namedAfter Union (United States) in the American Civil War
observesDaylightSavingTime UTC−05:00
originalName Cole County
partOf United States Midwest region
southeastern South Dakota
renamedIn 1864


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