North Sioux City Flag

North Sioux City

County:
Union County
County Seat:
No
Area (mi²):
3.335
State:
South Dakota

North Sioux City is a city located in Union County, South Dakota. North Sioux City has a 2026 population of 3,059. North Sioux City is currently growing at a rate of 0.3% annually and its population has increased by 0.46% since the most recent census, which recorded a population of 3,045 in 2020.

3.1K
Total Population
917
Density (mi²)
9 0.3%
Growth

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)