Illinois · Population 57,098 · Updated March 2026
How far your income goes in Oak Lawn
State-level tax rates that affect your costs
Oak Lawn offers a below-average cost of living, giving residents more purchasing power compared to many US cities. With a cost index of 91 (where 100 equals the national median), Oak Lawn residents can expect to pay median rent of $1,310/month while earning a median household income of $82,493/year.
The median home value in Oak Lawn, IL is $267,900, with typical monthly owner costs around $1,370 including mortgage, insurance, and taxes. The median rent-to-income ratio of 19.1% 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 Oak Lawn.
Common questions about living costs in Oak Lawn