WorkspaceTop ListsAboutContact Us

Swansea, IL

View of Swansea, IL
Image credit: Adam Moss from East Amherst, New York, United States / CC BY-SA 2.0
Population
14,356
U.S. Census Population Estimates Program · 2025
Elevation
547 ft
Median Home Value
$223,600
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,137/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$91,587
U.S. Census American Community Survey 5-Year · 2024

Explore

Swansea in context.

OverallBest places in IllinoisPopulation rankingHighest population places in IllinoisNearest larger communityBelleville, Illinois2.5 miles away · 40,237 residents.

About Swansea

Swansea is a village in St. Clair County, Illinois, situated within the Metro East sector of the St. Louis metropolitan area. Historically an industrial hub home to coal mines and brickyards, the residential village is served by Belleville East and Belleville West high schools.

Top Rating Signals

Highest current ratings for this town.

Lower County Wildfire Hazard Potential ClassA+100.0ratingLower Projected Late-Century County-Area Exposure to Sea-Level RiseA+100.0ratingNearby Hospital Emergency DepartmentsA+99.2rating

Loading town details...