Cost of Living in Sullivan, IL

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14%
Overall NAT. AVG.
3%
Groceries NAT. AVG.
43%
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 Sullivan Illinois National
Cost of living8698100
Groceries98100100
Health care99100100
Housing5795100
Transportation100101100
Utilities10099100
Lifestyle & Entertainment94100100
Household Items98100100
Education & Childcare96100100
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Homes For Sale In Sullivan, IL

property for sale

569 CR 1225N

Sullivan, IL
property for sale

407 S Washington St

Sullivan, IL
property for sale

114 S Polk St

Sullivan, IL
property for sale

19 Chad Ave

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

Cost Of Living Quick Facts

  • The cost of living in Sullivan is 13% lower than the Illinois average
  • The cost of living in Sullivan is 14% lower than the national average
  • Sullivan housing is 43% 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 Sullivan

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Compare Sullivan, IL Cost of Living

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      Cost of living index
      Groceries index
      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$106,616$8,885$2,488$3,199
      Renters$57,595$4,800$1,344$1,728
      To approximate the cost of living and the housing affordability in Sullivan, IL, we can look at the percentage of income that is available to be spent on monthly housing, otherwise known as the debt-to-income ratio (DTI). To stay on the safe side, a consumer should not spend more than 28% of his or her gross income on housing-related expenses and costs and not more than 36% of income on all expenses and debts. Homeowners in Sullivan have a median income of $106,616. Therefore, the amount that a consumer should spend on housing costs should be no more than $2,488 per month to avoid calamity and poverty. The renters in the city have an income of about $57,595, which would make their monthly maximum allowable rental costs $1,344.

      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.
      Westervelt, IL34982.1%
      Garrett, IL1228119.0%
      Lovington, IL1,1858217.9%
      Allenville, IL1388317.5%
      Windsor, IL1,1858316.5%
      Sullivan, IL4,5638614.2%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Wellington, OH4,5638514.8%
      Marlow, OK4,5638515.2%
      Cowichan Valley E, BC4,562n/a 
      Clearlake Riviera, CA4,56412322.9%
      Seven Lakes, NC4,56411515.5%
      Sullivan, IL4,5638614.2%
      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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