Sioux County, Iowa

Sioux County is located in Iowa’s northwest corner and is named after the Sioux Native American tribe. Orange City, the county seat, goes all out for its annual Tulip Festival, which celebrates the area’s Dutch heritage.

Sioux Center is home to Dordt University, a private Christian college. With about 35,000 residents, Sioux County is one of Iowa’s fastest-growing rural counties.

Oak Grove State Park offers camping along the Big Sioux River and is also home to the headquarters of the Sioux County Conservation Board. Agriculture dominates the local economy, with numerous dairy farms and meat processing plants.

CategoryDetails
County NameSioux County
County SeatOrange City
EtymologyNamed after the Sioux Native American tribes
Cities, Towns, and CommunitiesOrange City, Sioux Center, Hawarden, Rock Valley, and several smaller communities
Interstates and HighwaysU.S. Highway 75, Iowa Highway 10, Iowa Highway 60
FIPS Code19-167
Total Area (Land and Water)768 square miles (land: 759 sq mi, water: 9 sq mi)
Adjacent Counties (and Direction)Lyon County (North), O’Brien County (East), Plymouth County (South), Union County, South Dakota (Southwest), Lincoln County, South Dakota (Northwest)
Time ZoneCentral Time Zone (CST)
Population37,000
StateIowa
Coordinates43.17°N, 96.14°W
Major LandmarksThe Sioux County Historical Museum, the Orange City Tulip Festival, and the Sioux Center Community Garden
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