Illinois · Population 14,740 · Updated March 2026
How far your income goes in Chatham
State-level tax rates that affect your costs
Chatham is significantly cheaper than the national average, making it an attractive option for budget-conscious individuals and families. With a cost index of 83 (where 100 equals the national median), Chatham residents can expect to pay median rent of $1,157/month while earning a median household income of $106,030/year.
The median home value in Chatham, IL is $231,900, with typical monthly owner costs around $1,384 including mortgage, insurance, and taxes. The median rent-to-income ratio of 13.1% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.
Illinois has a moderate income tax rate of 4.95%. Combined with a 6.25% sales tax rate and 2.07% effective property tax rate, the overall tax environment is a factor in the total cost of living in Chatham.
Common questions about living costs in Chatham