Swansea
Village in St. Clair County, Illinois

Swansea is a village in St. Clair County, Illinois, with 14,386 residents (2020 Census). The nearest town is Belleville, 2.5 miles S.
- 14,386residents (2020 Census)
- 6.6 sq miland area · 17.0 km²
- 2,195 / sq mipopulation density
- 62226ZIP code
About Swansea
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.
Text: Wikipedia · CC BY-SA 4.0
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Living in Swansea
- Median household income
- $91,587
- Median home value
- $223,600
- Median rent
- $1,137/mo
- Median age
- 42.3
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Map of Swansea
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Open in Google Maps ›Swansea, IL population
Swansea had 14,386 residents in the 2020 Census.
| 2020 Census | 14,386 |
|---|---|
| Density | 2,195 per sq mi (848 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Swansea at a glance
| State | Illinois (IL) |
|---|---|
| County | St. Clair County |
| Type | Village |
| Population | 14,386 (2020) |
| Land area | 6.55 sq mi (17.0 km²) |
| Water area | 0.14 sq mi (0.35 km²) |
| Coordinates | 38.5518° N, 89.9875° W |
| ZIP code | 62226 |
| Census code (GEOID) | 1774119 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Swansea
- Belleville2.5 mi S
- Fairview Heights3.2 mi N
- Shiloh4.1 mi E
- O'Fallon5.1 mi NE
- Caseyville5.9 mi NW
- Scott AFB7.4 mi E
- Rentchler7.6 mi SE
- Washington Park7.8 mi NW
- Freeburg8.7 mi SE
- Collinsville8.8 mi N
- Millstadt8.8 mi SW
- Fairmont City8.9 mi NW
Straight-line distance between town centers.
Frequently asked questions about Swansea
What county is Swansea in?
Swansea is in St. Clair County, Illinois.
What is the population of Swansea, IL?
14,386 people lived in Swansea at the 2020 Census.
What is the ZIP code of Swansea, IL?
The ZIP code of Swansea is 62226.
What towns are near Swansea?
Belleville (2.5 mi), Fairview Heights (3.2 mi), Shiloh (4.1 mi), O'Fallon (5.1 mi), Caseyville (5.9 mi).
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