Caseyville Flag

Caseyville

County Seat:
No
Area (mi²):
7.272
State:
Illinois

Caseyville is a village located in St. Clair County, Illinois. Caseyville has a 2026 population of 4,395. Caseyville is currently growing at a rate of 0.53% annually and its population has increased by 0.07% since the most recent census, which recorded a population of 4,392 in 2020.

4.4K
Total Population
604
Density (mi²)
23 0.53%
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)