River Sioux Flag

River Sioux

County:
Harrison County
County Seat:
No
Area (mi²):
0.381
State:
Iowa

River Sioux is a CDP located in Harrison County, Iowa. River Sioux has a 2025 population of 6. River Sioux is currently declining at a rate of 0% annually and its population has decreased by -85% since the most recent census, which recorded a population of 40 in 2020.

6
Total Population
16
Density (mi²)
0 0%
Growth

River Sioux Population

River Sioux Population

Data after 2023 is projected based on recent change

Demographics

Population by Race

Race
Population
Percentage (of total)
No results.

River Sioux Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)