River Sioux, IA

River Sioux is an unincorporated community and census-designated place in Harrison County, Iowa, United States. As of the 2010 Census the population was 59.
  • Elevation: 1,040 ft (320 m)
  • Country: United States
  • State: Iowa
  • County: Harrison
  • Township: Little Sioux
  • ZIP code: 51545
  • Area code: 712
Data from: en.wikipedia.org