Skip to content

Checked

Swansea, IL

Village in St. Clair County, Illinois. ZIP codes: 62226.

Population

14,710

Land area

6.5sq mi

People per sq mi

2,269

ZIP codes

1

Swansea and its ZIP codes

Full map

Swansea at a glance

  • Swansea is about 9.9 times as dense as Illinois as a whole.
  • By population, it ranks 168th among 1,445 cities and towns in Illinois.
  • The median household income is $91,587, 10% above the Illinois median of $83,390.
  • A typical owner-occupied home is valued at $223,600 (15% below Illinois) and median rent is $1,137 a month.

Local data for Swansea, IL

Counts from official public data

Housing and community stats

Swansea, IL, American Community Survey 2020-2024

Full profile

Median household income

$91,587

Poverty rate

8.7%

Median home value

$223,600

Median rent

$1,137/mo

Homeownership

73.4%

Bachelor's or higher

42.5%

Median age

42.3

Average commute

24.1 min

Largest reported origins and ancestries: German Americans (3,996), Irish Americans (2,080), Polish Americans (616).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for St. Clair County. PPP loans are for Swansea.

Details

Unemployment rate

3.8%

Sep 2026, -0.8 pts in a year

Average annual pay

$59,034

89,192 jobs, 2025

Income per person

$61,712

BEA, 2024

Federal spending

$2.6B

FY 2026, $10,147 per person

St. Clair County economyFederal spending

How people get to work

Swansea, IL, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone76.2%
  • Carpooled6.5%
  • Public transit0.7%
  • Walked0.4%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.9%
  • Worked from home15.2%

Average one-way commute: 24.1 minutes for people who do not work from home.

Environment and hazard risk

Swansea, IL, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: heat wave

Storm events since 1996

829

Countywide, mostly thunderstorm wind

Flood insurance policies

1,007

1.0% of homes, county

July high / Jan low

90° / 24°F

43.4 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Swansea, IL, CDC PLACES estimates

All 40 measures

Obesity

35.6%

U.S. 33.3% +2.3 pts

Diabetes

12.0%

U.S. 12.1% about the same

Smoking

11.5%

U.S. 12.8% -1.3 pts

Uninsured (18-64)

6.2%

U.S. 11.1% -4.9 pts

ZIP codes in Swansea

1 in or overlapping Swansea. Population shown

·

Cities near Swansea

NameDistanceLand area (sq mi)
BellevilleCity2.3 mi23.2
ShilohVillage3.2 mi12.5
Fairview HeightsCity3.5 mi11.5
O'FallonCity5.1 mi15.8
CaseyvilleVillage6 mi7.3
Scott AFBCensus-designated place7.2 mi4.3
RentchlerCensus-designated place7.4 mi0.3
FreeburgVillage7.7 mi6.8
Washington ParkVillage7.9 mi2.6
MillstadtVillage8.9 mi3.6
SaugetVillage9.1 mi4.6
East St. LouisCity9.1 mi13.9
CollinsvilleCity9.2 mi15.4
SmithtonVillage9.5 mi4.5
Fairmont CityVillage9.6 mi6.2
MascoutahCity9.8 mi9.6

Frequently asked questions

What county is Swansea, IL in?
Swansea is in St. Clair County, Illinois.
What ZIP codes are in Swansea, IL?
ZIP codes in or overlapping Swansea include 62226.
What is the population of Swansea, IL?
About 14,710 people live in Swansea, based on American Community Survey 5-year estimates.
What cities are near Swansea?
Nearby places include Belleville (2.3 mi), Shiloh (3.2 mi), Fairview Heights (3.5 mi), O'Fallon (5.1 mi), Caseyville (6 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023

Share: