Swansea, IL
Population 14,603 · Illinois
About Swansea, IL
Swansea is a mid-sized city in Illinois with a population of 14,603 residents. The median household income is $84,367 per year, which is above the national average. The median age in Swansea is 38.4 years.
Housing in Swansea has a median home value of $211,700 and median monthly rent of $1,178. Of the 5,929 total housing units, the majority are owner-occupied, with 4,206 owner-occupied and 1,381 renter-occupied units.
The unemployment rate in Swansea is 4.8% and the poverty rate is 8.3%. 43.1% of residents hold a bachelor's degree or higher. The average commute time is 25.6 minutes.
Cost of Living in Swansea, IL
Compared to national averages, Swansea has a median household income of $84,367 (12% above the national median of $75,149). Home values average $211,700, which is 14% below the national median. Monthly rent at $1,178 is 1% above the US average of $1,163. Within Illinois, Swansea's income is 12% above the state average of $75,072, and home values are 28% above the state median of $165,779.
Why Live in Swansea, IL?
Swansea offers a strong local economy with a median household income of $84,367, well above the national average, and affordable housing with a median home value of $211,700, below the US average of $244,900, and a well-educated community where 43.1% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 8.3%, better than the national average.
Swansea has a population of 14,603 with a median age of 38.4 years. Compare Swansea with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Swansea
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Sterling | 14,670 | $52,647 | $107,800 | Compare |
| Mount Vernon | 14,492 | $52,751 | $89,700 | Compare |
| Hickory Hills | 14,718 | $85,541 | $278,400 | Compare |
| Chatham | 14,740 | $106,030 | $231,900 | Compare |
| Antioch | 14,751 | $118,635 | $299,700 | Compare |
| Morris | 14,775 | $72,357 | $244,400 | Compare |
| Lindenhurst | 14,365 | $127,837 | $275,400 | Compare |
| Warrenville | 14,232 | $99,028 | $266,500 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Swansea
What is the population of Swansea, IL?
The population of Swansea, IL is 14,603 according to the latest Census data.
What is the median household income in Swansea?
The median household income in Swansea, IL is $84,367 per year.
What is the median home value in Swansea?
The median home value in Swansea, IL is $211,700.
What is the average rent in Swansea?
The median monthly rent in Swansea, IL is $1,178.
What is the unemployment rate in Swansea?
The unemployment rate in Swansea, IL is 4.8%.