HomeIllinoisSt. Clair CountySwansea
Swansea, Illinois: commercial real estate data.
Swansea is a Census village of 14,710 people across 6.48 square miles of land, in St. Clair County. Median household income is $91,587, 73.4 percent of occupied homes are owned, and the SBA record carries 15 7(a) approvals to borrowers here worth $8.9 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Swansea
What Swansea is
- Census place typevillage
- Land area6.48 sq mi
- Water area0.14 sq mi
- Population per square mile of land2,269
- County holding the largest share of its areaSt. Clair County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Swansea
How many people live in Swansea
- Population14,710
- Median age42.3
- Population under 183,408
- Share under 1823.2 percent
- Population 65 and over2,699
- Share 65 and over18.3 percent
- Households5,777
- Family households3,717
- Share of households that are families64.3 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Swansea
Income and work in Swansea
- Median household income$91,587
- Per capita income$45,341
- Civilian labor force7,596
- Employed7,161
- Unemployed435 plus or minus 206
- Unemployment rate5.7 percent plus or minus 2.7
- Adults 25 and over10,055
- Adults 25 and over with a high school diploma or higher96.7 percent
- Adults 25 and over with a bachelor degree or higher42.5 percent
- Adults 25 and over with a graduate degree20.3 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Swansea
Housing in Swansea
- Housing units6,175
- Occupied units5,777
- Vacant units398 plus or minus 220
- Vacancy rate6.4 percent plus or minus 3.5
- Owner occupied4,243
- Renter occupied1,534 plus or minus 321
- Ownership rate73.4 percent
- Median owner-occupied home value$223,600
- Median gross rent, monthly$1,137
- Annual rent as a share of median income14.9 percent
- Single family units4,598
- Share single family74.5 percent
- Units in buildings of two or more999 plus or minus 281
- Share in buildings of two or more16.2 percent plus or minus 4.4
- Mobile homes578 plus or minus 186
- Median year structure built1993
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Swansea
How Swansea gets to work
- Workers 16 and over who commute6,023
- Commuting under 15 minutes1,944 plus or minus 420
- Share commuting under 15 minutes32.3 percent
- Commuting 30 minutes or more1,666 plus or minus 350
- Share commuting 30 minutes or more27.7 percent
- Drove alone76.2 percent
- Carpooled6.5 percent plus or minus 2.5
- Public transport0.7 percent plus or minus 0.7
- Walked0.4 percent plus or minus 0.5
- Worked from home15.2 percent plus or minus 4.0
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Swansea
SBA loans in Swansea (7(a))
- Approvals15
- Gross approval$8,927,700
- Average approval$595,180
- Median approval$220,000
- Largest approval$2,851,000
- Jobs supported158
- Jobs per approval10.5
- Loans with a final outcome6
- Paid in full6
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more26.7 percent
- Share to franchises26.7 percent
- Distinct lenders10
- Distinct industries by NAICS11
Counted by borrower city: approvals to borrowers whose address is in Swansea, in any county, FY2020 to FY2026. Only 6 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Swansea
SBA loans in Swansea (504)
- Approvals2
- Gross approval$454,000
- Average approval$227,000
- Median approval$227,000
- Largest approval$289,000
- Jobs supported8
- Loans with a final outcome0
- Charged off0
- Median term180 months
- Distinct CDCs1
Counted by borrower city: approvals to borrowers whose address is in Swansea, in any county, FY2010 to FY2026. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Swansea
Flood risk in Swansea
- NFIP communityVillage of Swansea
- NFIP community number170637
- Participating in the NFIPYes
- Community Rating System classClass 10
- Currently effective map date11/05/03
The Village of Swansea participates in the National Flood Insurance Program as community 170637 and carries Community Rating System class 10, a flood insurance premium discount for policies written there.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
St. Clair County, not Swansea
St. Clair County context, not Swansea figures
- Establishments in St. Clair County4,973
- Covered employment, St. Clair County89,981
- Average annual pay, St. Clair County$57,001
- Housing units permitted, St. Clair County740
Every figure in this section is published for St. Clair County as a whole and is not a measurement of Swansea.
All St. Clair County figures →
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Swansea questions, answered from the record.
How many people live in Swansea, Illinois?
14,710, in 5,777 households. Swansea village covers 6.48 square miles of land, which is 2,269 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Swansea in?
St. Clair County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Swansea?
$91,587. The median owner-occupied home is valued at $223,600. Median gross rent is $1,137 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Swansea businesses?
15 7(a) approvals totaling $8.9 m since FY2020, across 10 lenders, median approval $220,000, plus 2 504 approvals worth $454,000 since FY2010. These count approvals to borrowers whose address is in Swansea, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Swansea borrowers get paid back?
No rate is published for Swansea. Only 6 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Swansea in the National Flood Insurance Program?
Yes. Swansea appears in the FEMA Community Status Book as Swansea, village of, community 170637, carrying Community Rating System class 10, which is a premium discount for exceeding the program minimum. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Swansea figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for St. Clair County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Swansea.
Is zoning published for Swansea?
No. Nothing on this page presents parcel level zoning.