Cost of Living in Wilmington, IL
Population 5,507 · Illinois · Data vintage 2023
(100 = US avg)
Buyers in Wilmington can reasonably expect a home to cost less than three years of household income — $216,000 against $63,514 in typical earnings — a ratio that has collapsed to 5:1 or worse in much of the country.
Geographically, Wilmington sits roughly 14 miles south of Joliet. Median home values run roughly 13% lower than Joliet's $249,000.
Cost Overview
Scale: 100 = US national average. Green < 90, Red > 110.
About the Cost of Living in Wilmington
The median home value in Wilmington is $216,400 — 29% below the national median of $305,000. Median rent runs $897/month, 32% lower than the national median of $1,314/month. The median household income of $63,514/year is 15% lower than the US median of $74,580. The local unemployment rate is 4.1%, below the national average of 4.8%. Illinois's top state income tax rate is 5.0% and the combined sales tax is 8.7%. Overall, Wilmington has a cost of living index of 70 versus the US average of 100, meaning it is 30% less expensive.
Wilmington has limited residential data
Detailed housing and income data is limited for this location. Here are the nearest cities with full cost of living data:
🏠 Housing
HUD Fair Market Rents by Bedroom
💰 Estimated Monthly Budget
Estimates based on median data and national averages. Actual costs vary.
🛒 Food & Groceries
National BLS average prices (2023). Local prices may vary.
🚗 Transportation
Commute Mode
⚡ Utilities
📋 Taxes
💼 Income & Employment
🎓 Education
👥 Demographics
💨 Air Quality
EPA AQS 2023 — county-level monitoring data
Frequently Asked Questions
What is the cost of living in Wilmington, IL?
Wilmington has a cost index of 70 (100 = national average). It is 30% below the national average.
What is average rent in Wilmington, IL?
The median gross rent in Wilmington is $897 per month based on 2023 Census data.
What is the average home price in Wilmington?
The median home value in Wilmington is $216,400 according to Zillow and Census data.
What is the median income in Wilmington?
The median household income in Wilmington is $63,514 per year (2023 ACS 5-year estimates).
What is the sales tax in Wilmington, IL?
The combined state and local sales tax rate in Wilmington is 8.7%. The Illinois state income tax top rate is 5.0%.
Is Wilmington, IL affordable?
Yes, Wilmington is generally considered affordable, with a cost of living index of 70 — about 30% below the US national average of 100.
Wilmington at a Glance
- Population
- 5,507
- Median Income
- $63,514
- Home Value
- $216,400
- Median Rent
- $897/mo
- Unemployment
- 4.1%
- Sales Tax
- 8.7%
Nearby Cities
Explore county-level cost of living data
Illinois Rankings
Similar Cost Cities
Cities in other states with comparable housing costs