Swansea, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Swansea, Illinois is 14,603 as of the 2023 American Community Survey, making it the 169th-largest city in Illinois. The median household income is $84,367, the median home value is $211,700, and the median age is 38.4.
The population has grown 6.3% since 2010 (13,595 → 14,445).
14,603
Population
2253
People / sq mi
$84,367
Median Income
$211,700
Median Home Value
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Swansea covers 6.5 sq mi of land at 2253 people per square mile.
About Swansea, IL
Swansea is distinguished by its share of foreign-born residents, 36.5% of the population. With 14,603 residents, Swansea is a city in Illinois.
Median household income is $84,367, above the US median of $78,538. About 6.4% of residents live below the federal poverty level, below the national 12.4%. Housing is relatively affordable, with a median home value of $211,700, with typical rent around $1,178.
43.1% of adults 25 and older hold a bachelor’s degree, above the national average of 35.0%. Remote work is below the national 14.0% at 12.8%, and the average commute runs about 26 minutes each way.
The large foreign-born share is a defining thread in Swansea, shaping language, household composition, and the labor force behind the economic figures above.
Swansea village Population History (2010-2024)
The city of Swansea village had a population of 13,595 in 2010 and 14,445 in 2024, a 6.3% growth over 14 years. The peak was 14,526 in 2023. Average annual growth rate: 0.46%.
14,445
Population (2024)
13,595
Population (2010)
14,526
Peak (2023)
0.46%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 13,595 |
| 2011 | 13,725 |
| 2012 | 13,768 |
| 2013 | 13,717 |
| 2014 | 13,659 |
| 2015 | 13,572 |
| 2016 | 13,544 |
| 2017 | 13,511 |
| 2018 | 13,456 |
| 2019 | 13,350 |
| 2020 | 14,353 |
| 2021 | 14,223 |
| 2022 | 14,115 |
| 2023 | 14,526 |
| 2024 | 14,445 |
Race & Ethnicity
| White | 72.5% |
| Black or African American | 17.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Economy & Income
$84,367
Median Household Income
$44,262
Per Capita Income
6.4%
Poverty Rate
3.1%
Unemployment Rate
Housing
$211,700
Median Home Value
$1,178
Median Rent
75.3%
Owner-Occupied
Education
96.6%
High School+
43.1%
Bachelor's+
Commute
0.8%
Drive Alone
78.7%
Public Transit
12.8%
Work From Home
25.6 min
Avg Commute
Community Profile
36.5%
Foreign Born
95.8%
Non-English at Home
10.1%
Veterans
10.6%
With Disability
95.0%
Health Insurance
96.4%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 24.4% |
| Education, Health Care & Social Services | 11.6% |
| Finance, Insurance & Real Estate | 10.3% |
| Information | 9.4% |
| Retail Trade | 8.0% |
| Manufacturing | 7.3% |
| Public Administration | 6.7% |
| Arts, Entertainment & Food Services | 5.4% |
| Construction | 3.0% |
| Transportation & Warehousing | 2.2% |
| Agriculture & Mining | 0.7% |
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Frequently Asked Questions
Swansea, Illinois has a population of 14,603 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 169th-largest city in Illinois.
The median household income in Swansea, Illinois is $84,367, with 6.4% of residents living below the federal poverty level.
The median home value in Swansea, Illinois is $211,700, with median monthly rent at $1,178 and a homeownership rate of 75.3%.
The median age in Swansea, Illinois is 38.4 years. The population is 48.0% male and 52.0% female.
The population has grown 6.3% since 2010 (13,595 → 14,445).
Where to stay in Swansea
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.