About

Life in Swansea

If you're considering a move to Swansea, you're looking at a small village of about 14,600 people in the St. Louis metro area that feels genuinely accessible—it's just 16 miles west of downtown St. Louis but maintains its own identity without the urban density.

Swansea at a Glance

Population, income, housing and more

Median Age

42.3 yrs

Poverty Rate

8.7%

Foreign-Born

4.2%

Broadband Internet

94.0%

of households

Population Growth

-0.1%

recent change · Census Bureau

Median household income

Swansea$91,587
Illinois avg$83,390
US$80,734

Demographics4.2% foreign-born, most often from Canada

Who lives in Swansea: race and ethnicity, ages, households, languages and countries of origin

In Swansea, the largest foreign-born group is from Canada (25.8%), and 0.9% of residents speak Chinese at home.

Under 18

23.2%

of residents

65 and Older

18.3%

of residents

Households with Kids

31.4%

anyone under 18

Living Alone

30.4%

of households

Married Couples

53.6%

of households

Avg Household Size

2.51

people

Race & Ethnicity

White70.1%
Black19.2%
Two or more races7.4%
Asian2.4%
Hispanic or Latino0.9%

Hispanic or Latino of any race; other groups are non-Hispanic

Top countries of origin (foreign-born)

Canada25.8%
Germany17.4%
China16.0%
Burma (Myanmar)6.3%
Laos5.5%
Pakistan5.2%
Vietnam5.0%
Other Eastern Asia4.0%
United Kingdom3.7%
India3.1%

Languages Spoken at Home

English only96.6%
Chinese0.9%
Korean0.6%
Spanish0.5%
Other Asian/Pacific0.5%
Other Indo-European0.3%
Vietnamese0.2%
German/Germanic0.2%

Cost of Livingrent 11% below IL average

Rent, home values, and income in Swansea

In Swansea, rent runs 11% below the IL average, and home values are 15% below the IL average.

Median rent (per month)

Swansea$1,137
Illinois avg$1,274
US$1,413

Median home value

Swansea$223,600
Illinois avg$263,300
US$332,700

Rent Burdened

35.3%

spending 30%+ of income on rent

Severely Rent Burdened

17.7%

spending 50%+

Cost of Living Index

95.1

metro area (BEA) · US avg = 100

Median Property Tax

$4,759

per year, owner-occupied homes

Homeowners

73.4%

of occupied homes are owned

Typical Home Built

1993

median year built

Home Value Trend

$210,494
$265,311
202120222023202420252026

Latest: $265,311 (September 2026)

Jobs & Economyunemployment about average for IL

Unemployment in Swansea and typical pay across the metro area

Unemployment in St. Clair County, which includes Swansea, is close to the IL average.

Unemployment rate

Swansea4.5%
Illinois avg4.6%
US4.3%

Swansea: St. Clair County rate (county-wide) · BLS annual average

Unemployment Rate — 10 Year Trend

6%
5.1%
5.1%
4.4%
9%
6.2%
4.5%
4.7%
4.7%
4.5%
2016201720182019202020212022202320242025

St. Clair County (county-wide) · Annual averages

What Swansea Residents Do for Work · share of employed residents by industry

Education & health care25.2%
Professional & business services11.0%
Transportation & utilities10.9%
Arts, hospitality & food service10.6%
Retail8.9%
Finance & real estate8.9%
Manufacturing7.3%
Public administration5.5%

City residents, wherever they work

Median Salary by Occupation · metro area

Management$100,940
Healthcare$78,190
Business & Finance$77,010
Education$51,900
Production$45,140
Office & Admin$43,310
Transportation$39,330
Sales$35,500

St. Louis, MO-IL metro area

Commute24.1 min avg

How Swansea residents get to work, and the nearest airports

In Swansea, most residents drive alone to work (76%), and 72% get there in under 30 minutes.

How People Get to Work

Drive alone76.2%
Carpool6.5%
Public transit0.7%
Walk0.4%
Work from home15.2%
Other0.9%

Commute Time Distribution

Under 15 min32.3%
15–29 min40.1%
30–44 min14.3%
45–59 min8.9%
60+ min4.4%

Nearest airports · with airline service

  • Scott AFB/Midamerica Airport (BLV)

    Regional airport · few flights193k passengers boarded in 2025

    8 mi
  • St. Louis Lambert International Airport (STL)

    Medium hub7.5M passengers boarded in 2025

    25 mi

Straight-line distance. Size is the FAA’s hub category, based on passenger traffic: regional airports may have only a few flights a day.

Safetyviolent crime 79% below national average

Crime rates for 2025

Violent crime in Swansea runs 79% below the national average.

Violent Crime Rate

69.1

per 100,000 residents

Below average (329 national, 2025)

Property Crime Rate

684.2

per 100,000 residents

Below average (1,552 national, 2025)

Swansea Police Department

Natural DisastersThunderstorm Wind most common — 20 events in 2025

Natural hazard risk, storms and earthquakes

FEMA National Risk Index

Relatively High

94.9 / 100

Compares expected losses from natural hazards, social vulnerability and community resilience against every US county (higher = more risk).

Cold wave · HighHail · HighHeat wave · HighIce storm · HighLightning · High

St. Clair County, county-wide · FEMA NRI December 2025

In St. Clair County, which includes Swansea, the most common type is thunderstorm wind, with 20 recorded events in 2025.

Most common events:

Thunderstorm WindHailFlash FloodTornadoExcessive Heat

Storm events by year

YearEventsTop TypeProperty Damage
202520Thunderstorm Wind$770,000
20249Hail$80,500
202325Thunderstorm Wind$40,000
202213Thunderstorm Wind$10.2M
20218Thunderstorm Wind$91,000
20207Thunderstorm WindNone reported
201921Thunderstorm Wind$8.1M
201813Thunderstorm WindNone reported

Property damage is the National Weather Service's estimate filed with each event. “None reported” means the events were logged with $0 damage; “Not estimated” means no estimate was filed. Storms covering several counties aren't counted here, since NOAA doesn't split their damage by county.

1 earthquake of magnitude 2.5+ within 100 miles in the past year

St. Clair County, county-wide

Air Quality55 median AQI — Moderate

Days by air quality category (2025)

Air quality in St. Louis city, MO (the nearest EPA-monitored county, about 15 miles from Swansea) is typically moderate — acceptable for most people, but can affect those unusually sensitive to air pollution.

Median AQI

55

Good Days

125

per year

Moderate Days

232

per year

Unhealthy Days

2

per year

Nearest EPA monitor county: St. Louis city, MO (15 mi away)

Climate89°F summers, 27°F winters

30-year climate averages (1991–2020) — monthly temperatures and precipitation

Swansea has warm summers (avg high 89°F) and cold winters (avg low 27°F).

Spring (Mar–May)

70°/46°F

avg high / low

Summer (Jun–Aug)

89°/66°F

avg high / low

Fall (Sep–Nov)

71°/47°F

avg high / low

Winter (Dec–Feb)

46°/27°F

avg high / low

Annual Precipitation

44.6"

Annual Snowfall

11.2"

Hot Days/Year

53

days above 90°F

Freeze Days/Year

94

days below 32°F

Rainy Days/Year

122

Average month

High °FLow °FPrecip (in)
10°30°50°70°90°5.5"Jan: 2.56" precipitationFeb: 2.16" precipitationMar: 3.44" precipitationApr: 4.90" precipitationMay: 5.05" precipitationJun: 4.62" precipitationJul: 4.03" precipitationAug: 3.92" precipitationSep: 3.35" precipitationOct: 3.12" precipitationNov: 3.60" precipitationDec: 2.61" precipitation24°JJan: high 43°F, low 24°FFFeb: high 49°F, low 28°FMMar: high 59°F, low 36°FAApr: high 71°F, low 46°FMMay: high 79°F, low 56°FJJun: high 87°F, low 65°F90°JJul: high 90°F, low 68°FAAug: high 89°F, low 65°FSSep: high 83°F, low 57°FOOct: high 73°F, low 47°FNNov: high 58°F, low 37°FDDec: high 46°F, low 28°F
Show month-by-month table ↓
MonthHighLowPrecip
Jan43°F24°F2.56"
Feb49°F28°F2.16"
Mar59°F36°F3.44"
Apr71°F46°F4.90"
May79°F56°F5.05"
Jun87°F65°F4.62"
Jul90°F68°F4.03"
Aug89°F65°F3.92"
Sep83°F57°F3.35"
Oct73°F47°F3.12"
Nov58°F37°F3.60"
Dec46°F28°F2.61"

Healthcare

Hospitals, ratings, and health insurance in Swansea

Uninsured

4.6%

of residents

No hospitals inside Swansea's limits — nearest hospitals · within 15 miles

Memorial Hospital

Acute Care Hospitals · ER available · 1.9 mi away · Belleville

Hshs St Elizabeth's Hospital

Acute Care Hospitals · ER available · 3.6 mi away · O Fallon

Touchette Regional Hospital Inc.

Acute Care Hospitals · ER available · 6.7 mi away · Centreville

Not rated

Adult Health · vs. the typical US place

Obesity35.6%US 36.8%
Diabetes12.0%US 12.6%
High blood pressure37.9%US 37.1%
Current smoking11.5%US 15.0%
No leisure-time physical activity21.8%US 26.6%
Depression20.1%US 23.0%
Asthma10.6%US 10.7%
Routine checkup in past year81.2%US 78.2%

Share of adults. Modeled estimates, not counted cases. “US” = the typical US place.

Medicare-certified hospitals only. Doesn’t include clinics, urgent care, or freestanding ERs.

Education12.9:1 student/teacher ratio

Schools and degree attainment in Swansea

Swansea's student/teacher ratio is 12.9:1 (lower than the national average of 16:1), and 42.5% of adults 25+ hold a bachelor's degree or higher.

Public Schools

3

within city limits

Private Schools

1

within city limits

College Degree Rate

42.5%

adults 25+ with bachelor's or higher

Student/Teacher Ratio

12.9:1

National avg 16:1

Schools located within city limits (2023) — school-level metrics change slowly year to year

Colleges Near Swansea (within 15 miles)

Saint Louis University

14.7 mi away

Private nonprofit · 4-year · 7,267 students · in-state tuition $57,960 · 76% graduate · median earnings $75,998 (10 yrs after entry)

Harris-Stowe State University

14 mi away

Public · 4-year · 960 students · in-state tuition $7,008 · 29% graduate · median earnings $39,919 (10 yrs after entry)

Degree-granting colleges with 100+ students, placed by campus location (main campuses only — branch campuses are reported under their parent school)

Parks & Recreationclosest: Gateway Arch National Park, 12 mi

Nearby national parks, recreation areas and public libraries for Swansea

Swansea has 6 nearby national parks or recreation areas, closest being Gateway Arch National Park (12 mi away).

Nearby National Parks & Recreation Areas

Gateway Arch National Park

National Park

12 mi away

Ulysses S Grant National Historic Site

National Historic Site

20 mi away

Ste. Geneviève National Historical Park

National Historical Park

40 mi away

Lincoln Home National Historic Site

National Historic Site

88 mi away

Springfield 1908 Race Riot National Monument

National Monument

88 mi away

New Philadelphia National Historic Site

National Historic Site

95 mi away

Cities Near Swansea

The closest cities within 60 miles

Planning a move to Swansea?

Read our full moving guide — what it's really like to live here.

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Swansea FAQ

Is Swansea, Illinois affordable?⌄

Swansea's median rent is $1,137/month, which is below the national average, making it relatively affordable. The median household income is $91,587/year. Median home value is $223,600.

Is Swansea, Illinois safe?⌄

Swansea's violent crime rate was 69 per 100,000 residents in 2025, which is well below the national average — one of the safer cities in the country of 329/100k that year. Property crime rate is 684 per 100,000. As with any city, crime rates vary by neighborhood.

What is the job market like in Swansea, Illinois?⌄

St. Clair County, which includes Swansea, has an unemployment rate of 4.5%, which is close to the national average of 4.3%.

What is the cost of living in Swansea, Illinois?⌄

The cost of living in Swansea is primarily driven by housing. Median rent is $1,137/month and median household income is $91,587/year. The median home value is $223,600. About 35% of renters spend more than 30% of their income on housing.

How is the commute in Swansea, Illinois?⌄

The average commute in Swansea is 24 minutes, which is about average compared to the national average of 26 minutes.

Data from the US Census Bureau, BLS, FBI, NOAA, EPA, Zillow Research and other public sources. Where our data comes from