Cost of Living in Thornton, IL

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A+
7%
Overall NAT. AVG.
1%
Groceries NAT. AVG.
23%
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 Thornton Illinois National
Cost of living9398100
Groceries101100100
Health care97100100
Housing7795100
Transportation98101100
Utilities10099100
Lifestyle & Entertainment103100100
Household Items100100100
Education & Childcare96100100
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Homes For Sale In Thornton, IL

property for sale

216 N Williams St

Thornton, IL
property for sale

22 Arrowhead Dr

Thornton, IL
property for sale

203 N Wolcott St

Thornton, IL
property for sale

65 Indianwood Dr

Thornton, IL

Cost Of Living Quick Facts

  • The cost of living in Thornton is 6% lower than the Illinois average
  • The cost of living in Thornton is 7% lower than the national average
  • Thornton housing is 23% 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 Thornton

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Compare Thornton, IL Cost of Living

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      Utilities index
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      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$117,660$9,805$2,745$3,530
      Renters$58,020$4,835$1,354$1,741

      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.
      Hodgkins, IL1,8178316.9%
      Ford Heights, IL2,8018316.6%
      East Chicago, IN28,8358217.8%
      Gary, IN77,1518119.3%
      Phoenix, IL1,4508514.6%
      Thornton, IL2,381937.2%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      South Roxana, IL2,3818317.0%
      Marcus Hook, PA2,3818712.6%
      Pine Crest, TN2,381927.8%
      Victor, ID2,38011413.9%
      Oakland, ME2,380991.3%
      Thornton, IL2,381937.2%
      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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