Wilmington, IL
Population 5,507 · Illinois
About Wilmington, IL
Wilmington is a small community in Illinois with a population of 5,507 residents. The median household income is $63,514 per year, which is near the national average. The median age in Wilmington is 38.8 years.
Housing in Wilmington has a median home value of $216,400 and median monthly rent of $897. Of the 2,379 total housing units, the majority are owner-occupied, with 1,457 owner-occupied and 809 renter-occupied units.
The unemployment rate in Wilmington is 4.1% and the poverty rate is 11.3%. 21.9% of residents hold a bachelor's degree or higher. The average commute time is 24.1 minutes.
Cost of Living in Wilmington, IL
Compared to national averages, Wilmington has a median household income of $63,514 (15% below the national median of $75,149). Home values average $216,400, which is 12% below the national median. Monthly rent at $897 is 23% below the US average of $1,163. Within Illinois, Wilmington's income is 15% below the state average of $75,072, and home values are 31% above the state median of $165,779.
Why Live in Wilmington, IL?
Wilmington offers affordable housing with a median home value of $216,400, below the US average of $244,900, and rent that’s lower than the national average at $897/month, and a low poverty rate of 11.3%, better than the national average. Additionally, the city features short commute times averaging just 24.1 minutes.
Potential considerations include median household income ($63,514) that falls below the national average. However, Wilmington’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Wilmington has a population of 5,507 with a median age of 38.8 years. Compare Wilmington with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Wilmington
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Spring Valley | 5,508 | $63,964 | $125,000 | Compare |
| Candlewick Lake | 5,459 | $94,820 | $169,200 | Compare |
| Carlinville | 5,574 | $52,738 | $108,000 | Compare |
| Lake Holiday | 5,402 | $112,250 | $235,300 | Compare |
| Lake Barrington | 5,400 | $132,857 | $451,400 | Compare |
| Northfield | 5,683 | $180,492 | $807,700 | Compare |
| Posen | 5,331 | $71,994 | $172,800 | Compare |
| Genoa | 5,685 | $79,343 | $201,600 | 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.
Compare Wilmington With Other Cities
Frequently Asked Questions about Wilmington
What is the population of Wilmington, IL?
The population of Wilmington, IL is 5,507 according to the latest Census data.
What is the median household income in Wilmington?
The median household income in Wilmington, IL is $63,514 per year.
What is the median home value in Wilmington?
The median home value in Wilmington, IL is $216,400.
What is the average rent in Wilmington?
The median monthly rent in Wilmington, IL is $897.
What is the unemployment rate in Wilmington?
The unemployment rate in Wilmington, IL is 4.1%.