Cost of Living in Wilmington, IL

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3%
Overall NAT. AVG.
1%
Groceries NAT. AVG.
9%
Housing NAT. AVG.
Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
The cost of living index is based on a national average of 100. For example, if the cost of living score is 90, then the estimated cost of living is 10% lower than the national average. If the score is 110, then the estimated cost of living is 10% higher than average. The overall index is calculated using weighted estimates across major everyday expense categories, including housing (30%), groceries (16%), transportation (12%), healthcare (10%), utilities (8%), lifestyle and entertainment (8%), household expenses (8%), and education and childcare (8%). All values are AI-assisted city-level estimates designed for directional comparisons.
Index Wilmington Illinois National
Cost of living9798100
Groceries99100100
Health care97100100
Housing9195100
Transportation100101100
Utilities10199100
Lifestyle & Entertainment99100100
Household Items98100100
Education & Childcare106100100
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Homes For Sale In Wilmington, IL

property for sale

1903 Lakewood Dr

Wilmington, IL
property for sale

Widows Rd

Wilmington, IL
property for sale

8816 E Mallard Ln

Wilmington, IL
property for sale

730 Koala Ct

Wilmington, IL
See the Newest Homes For Sale In Wilmington, IL

Cost Of Living Quick Facts

  • The cost of living in Wilmington is 1% lower than the Illinois average
  • The cost of living in Wilmington is 3% lower than the national average
  • Wilmington housing is 9% lower than the national average
  • Illinois general sales tax is 22% higher than the national average
  • Illinois state income tax is 91% higher than the national average

Most Affordable Places to Live in and Around Wilmington

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Compare Wilmington, IL Cost of Living

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      Health care index
      Housing index
      Transportation index
      Utilities index
      Lifestyle index
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      Educare index

      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$109,357$9,113$2,551$3,281
      Renters$49,343$4,112$1,151$1,480

      Illinois Sales Tax

      State General Sales Tax With Max Surtax
      Illinois 6.25% 10.25%

      Illinois Income Tax

      State Income Tax (Low) Income Tax (High)
      Illinois 4.95% 4.95%

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Wilmington village, IL1507921.3%
      Union Hill, IL718119.0%
      East Brooklyn, IL598910.6%
      Godley, IL717909.8%
      Preston Heights, IL2,583927.8%
      Wilmington, IL6,108972.9%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Petrolia, ON6,108n/a 
      Lewistown, MT6,107918.5%
      Selinsgrove, PA6,107964.1%
      South Hooksett, NH6,10511616.2%
      High Springs, FL6,1041055.2%
      Wilmington, IL6,108972.9%
      Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
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