A+
13%
Overall NAT. AVG.
3%
Groceries NAT. AVG.
36%
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 Charleston Illinois National
Cost of living8798100
Groceries98100100
Health care99100100
Housing6495100
Transportation98101100
Utilities9699100
Lifestyle & Entertainment98100100
Household Items97100100
Education & Childcare92100100
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An Overview of Cost of Living in Charleston, IL

Getting a feel for the cost of living in Charleston is essential for anyone planning to relocate, as it empowers them to make informed financial decisions, secure a comfortable lifestyle and maintain financial stability in their new environment. The cost of living in Charleston is 87, which is 13% lower than the national average. Relocating individuals may need to adjust their savings and investment strategies based on the cost of living in the new location. It influences decisions about retirement planning, investments and financial goals.

What Do Locals Say About the Cost of Living in Charleston?

Nobody knows their city better than the people who actually live there. So, we asked 6 local residents how they would rate the cost of living in Charleston and this is how they responded. 50% of people said that the cost of living was affordable, with prices decreasing, while 50% of people said that the cost of living was very expensive and prices continue to rise.

Is Charleston Affordable?

Is Charleston affordable? It's a key consideration when pondering a move, as affordability often shapes your choices. The cost of living index (we discussed it earlier), coupled with housing costs and income levels, serves as the cornerstone for determining a location's affordability. Take Charleston, for instance, where the median home price falls 40.8% lower than the national average, and monthly rent rates are 25.7% lower than usual. Additionally, median income levels contribute to the equation, with Charleston flaunting a median household income of $62,709, 22.9% lower than the national norm.

What Factors can Influence the Cost of Living in Charleston?

Subsidies: Some cities and states may extend government subsidies or aid programs aimed at reducing the cost of living for their residents. These initiatives encompass diverse forms of support, including Medicare, Medicaid, housing subsidies, low-income home energy assistance programs, school lunch programs, supplemental nutrition assistance programs, student loans, electric vehicle tax credits, affordable care act subsidies and farm subsidies. Regions with limited subsidy provisions may witness an increase in their overall cost of living.

Taxes: Cities that enforce higher taxes, covering both sales taxes and income taxes, can be a factor contributing to a higher cost of living. Paying more in taxes for everyday essentials like clothing and food inevitably leads to higher expenses. A higher income tax rate can further contribute to an overall elevated cost of living. In Charleston, the baseline sales tax rate begins at 6.25%, and income tax rates start at 4.95%.

Housing: A sought-after location with high housing demand often leads to increased property values and rental rates, which can significantly inflate the overall cost of living. Conversely, areas with low housing demand, particularly in less desirable locales, tend to experience the opposite effect, causing prices to drop and contributing to a more affordable cost of living. In Charleston, the housing index stands at 36.2% lower than the national average.

Where is the Data From?

The Charleston cost of living data above is designed around a U.S. average baseline of 100, allowing for easy comparisons of relative living costs. Housing incorporates U.S. Census home price and rental data, while all other figures are AI-assisted estimates that account for regional price trends, climate, transportation dynamics, and common everyday expenses. These values are best used as directional city-to-city comparisons.

Cost Of Living Quick Facts

  • The cost of living in Charleston is 12% lower than the Illinois average
  • The cost of living in Charleston is 13% lower than the national average
  • Charleston housing is 36% 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 Charleston

See all the best places to live around Charleston

Compare Charleston, IL Cost of Living

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      Transportation index
      Utilities 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$96,401$8,033$2,249$2,892
      Renters$41,111$3,426$959$1,233
      The percent of monthly income spent on housing can be a good indicator of the affordability of housing in Charleston, IL, as well as the overall cost of living. As a general rule of thumb, the debt-to-income ratio (DTI) for homeowners or renters should be not more than 28 percent of gross income to be spent on housing related costs and not more than 36 percent of income on all expenses, including debts. The median income for Charleston homeowners, is $96,401. This would allow for a maximum of $2,249 per month to be spent on housing costs. For renters, the median monthly income is $41,111 which would result in a maximum of $959 to be spent on rental costs.

      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.
      Kansas, IL8017722.7%
      Westfield, IL5858119.2%
      Hindsboro, IL4168317.2%
      Oakland, IL1,1038317.0%
      Lerna, IL2588217.7%
      Charleston, IL20,6938713.0%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Cobourg, ON20,684n/a 
      Pitt Meadows, BC20,683n/a 
      Fort Mill, SC20,70311515.1%
      Tukwila, WA20,71012625.7%
      Rio Rico, AZ20,721972.8%
      Charleston, IL20,6938713.0%
      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.