Horse Creek, SD

Horse Creek is an unincorporated community and census-designated place in Mellette County, South Dakota, United States. The 2020 census counted 187 residents. Horse Creek was first listed as a CDP prior to the 2020 census. Horse Creek is in the central part of the county, 2 miles south of White River, the county seat. That mix gives Horse Creek a clear local shape within South Dakota, with older layers still visible in current places. The local scoop is a place whose streets, landmarks, and institutions keep its earlier story close to the present. The Little White River flows from north to south through the CDP, with most of the community's development to the east of the river on high ground. Horse Creek includes the Little White River.