White River, South Dakota
White River 
     | |
|---|---|
Location in Mellette County and the state of South Dakota  | |
| Coordinates: 43°34′10″N 100°44′46″W / 43.56944°N 100.74611°W | |
| Country | United States | 
| State | South Dakota | 
| County | Mellette | 
| Incorporated | 1912 | 
| Area | |
 • Total  | 0.52 sq mi (1.35 km2) | 
| • Land | 0.52 sq mi (1.35 km2) | 
| • Water | 0.00 sq mi (0.00 km2) | 
| Elevation | 2,139 ft (652 m) | 
| Population  (2020)  | |
 • Total  | 533 | 
| • Density | 1,023.03/sq mi (395.12/km2) | 
| Time zone | UTC-6 (Central (CST)) | 
| • Summer (DST) | UTC-5 (CDT) | 
| ZIP code | 57579  | 
| Area code | 605 | 
| FIPS code | 46-71340 | 
| GNIS feature ID | 1267653 | 
White River (Lakota: Makhízita wakpá; "White Dirt River") is a city in and the county seat of Mellette County, South Dakota, United States. The population was 533 at the 2020 census.