Sioux River System

River Sioux is an unincorporated community and census-designated place in Harrison County, Iowa, United States. As of the 2020 Census the population was 42. River Sioux was platted in 1868 when the railroad was extended to that point. It was named after the nearby Little Sioux River.
  • Elevation: 1,040 ft (320 m)
  • Country: United States
  • State: Iowa
  • County: Harrison
  • Township: Little Sioux
  • ZIP code: 51545
  • Area code: 712

Nearby

Data from: en.wikipedia.org