Swansea, Illinois

Swansea
Motto: 
"A Great Place To Live And Growing Better Every Day"
Location of Swansea in St. Clair County, Illinois.
Coordinates: 38°33′15″N 89°59′48″W / 38.55417°N 89.99667°W / 38.55417; -89.99667
CountryUnited States
StateIllinois
CountySt. Clair
Named afterSwansea, Wales
Government
 • MayorJeff Parker
Area
 • Total
6.62 sq mi (17.14 km2)
 • Land6.47 sq mi (16.77 km2)
 • Water0.14 sq mi (0.37 km2)
Elevation
564 ft (172 m)
Population
 (2020)
 • Total
14,386
 • Density2,221.1/sq mi (857.59/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
62226
Area code618
FIPS code17-74119
GNIS feature ID2399939
Websiteswanseail.org

Swansea is a village in St. Clair County, Illinois. It is a part of the St. Louis metropolitan area and Metro East in southern Illinois. It is surrounded by the communities of Fairview Heights, Belleville, O’Fallon, and Shiloh. As of the 2020 census, Swansea had a population of 14,386.