Caseyville, Illinois

Caseyville
Location of Caseyville in St. Clair County, Illinois.
Coordinates: 38°37′40″N 90°01′52″W / 38.62778°N 90.03111°W / 38.62778; -90.03111
CountryUnited States
StateIllinois
CountySt. Clair
Area
 • Total
7.43 sq mi (19.24 km2)
 • Land7.27 sq mi (18.83 km2)
 • Water0.16 sq mi (0.41 km2)
Elevation
420 ft (130 m)
Population
 (2020)
 • Total
4,400
 • Density605.1/sq mi (233.62/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
62232
Area code618
FIPS code17-11644
GNIS feature ID2397568
Websitewww.caseyville.org

Caseyville is a village in St. Clair County, Illinois, United States. The population was 4,400 at the 2020 census, an increase from 4,245 in 2010.