A
2%
Overall NAT. AVG.
3%
Groceries NAT. AVG.
8%
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 Chatham Illinois National
Cost of living10298100
Groceries98100100
Health care101100100
Housing10895100
Transportation102101100
Utilities9999100
Lifestyle & Entertainment99100100
Household Items99100100
Education & Childcare95100100
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An Overview of Cost of Living in Chatham, IL

Are you thinking about relocating, but curious about the potential cost of living in Chatham? Is it more expensive or more affordable than average? Based on the most recent report, the cost of living in Chatham stands at 102, making it 2% higher than the national average. The cost of living directly affects the affordability of one's desired lifestyle. Knowing the cost of housing, transportation, groceries and other essentials in the new area allows people to gauge whether they can maintain their preferred standard of living.

The cost of living in Chatham closely mirrors the national average in comparison to other cities nationwide. Essential items such as groceries, houshold expenses, health care and utilities are priced at a level consistent with similar urban areas. This means that residents of Chatham can anticipate that their daily expenses will remain reasonably in line with those of an average city, contributing to a manageable cost of living.

Is Chatham Affordable?

Is Chatham an affordable place to live? That's a valid question to ask when you're thinking about moving to a new city. After all, how much it costs to live somewhere can be a huge factor in your decision. Affordability can be broken down into 3 common categories. The cost of living index (we talked about it earlier), housing expenses and income levels all play a big role in figuring out if a place is affordable. For instance, in Chatham, the median home price is 9.6% higher than what most folks pay across the country, and monthly rent prices are 4.9% higher than the usual rates. Income levels in Chatham come in at $146,139, which is 79.7% higher than the national average.

What Factors can Influence the Cost of Living in Chatham?

Healthcare: Healthcare expenses and insurance premiums can vary significantly depending on the specific city or state. Factors such as accessibility to healthcare facilities, out-of-pocket expenses for doctor's visits, dental care expenses, prescription costs and specialized medical care fees can all influence the overall cost of living. In Chatham, healthcare costs are 1% higher than the national average.

Groceries: Grocery prices have seen substantial hikes in the last 2-3 years, with some markets witnessing food cost increases of over 20% during this period. Conversely, certain markets have experienced only moderate upticks. These variations in food expenses can have a substantial impact on the overall cost of living in any locality. In Chatham, the groceries index is 2.5% lower than the national average.

Urbanization: Urban areas with extensive amenities and job opportunities tend to have a higher cost of living due to increased demand for services and relocation, resulting in higher home prices and higher rents. Less densely populated rural areas, or areas with less demand tend to have fewer amenities and slower job growth, which results in a lower cost of living.

Where is the Data From?

The Chatham cost of living estimates above use a normalized U.S. average of 100 as the baseline for comparison. Housing values incorporate local home price and rental information from the U.S. Census, while all other estimates are AI-assisted and modeled using expected everyday expenses, local market trends, climate, and transportation-related cost pressures. The results are intended for practical city-to-city comparisons.

Cost Of Living Quick Facts

  • The cost of living in Chatham is 3% higher than the Illinois average
  • The cost of living in Chatham is 2% higher than the national average
  • Chatham housing is 8% higher 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 Chatham

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Compare Chatham, IL Cost of Living

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      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$160,572$13,381$3,746$4,818
      Renters$73,202$6,100$1,708$2,196
      To approximate the cost of living and the housing affordability in Chatham, 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 Chatham have a median income of $160,572. Therefore, the amount that a consumer should spend on housing costs should be no more than $3,746 per month to avoid calamity and poverty. The renters in the city have an income of about $73,202, which would make their monthly maximum allowable rental costs $1,708.

      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.
      Tovey, IL6008119.0%
      Modesto, IL2278217.9%
      Clear Lake, IL3998217.6%
      Berlin, IL1898217.5%
      Bulpitt, IL2448316.7%
      Chatham, IL13,6971021.7%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Miami, OK13,7008217.9%
      Parksville, BC13,705n/a 
      New Ulm, MN13,686945.7%
      Baker, LA13,684918.8%
      Richmond Hill, GA13,7101109.8%
      Chatham, IL13,6971021.7%
      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.