Osceola Flag

Osceola

County Seat:
Yes
Area (mi²):
1.079
State:
Missouri

Osceola is a city located in St. Clair County, Missouri. Osceola has a 2026 population of 979. It is also the county seat of St. Clair County. Osceola is currently growing at a rate of 1.03% annually and its population has increased by 4.71% since the most recent census, which recorded a population of 935 in 2020.

979
Total Population
908
Density (mi²)
10 1.03%
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)