CostBy County

Cost of Living in Cook County, Illinois

$1,435/mo
Median Monthly Rent
$324,500
Median Home Value

At a Glance

Median Monthly Rent
$1,435/mo
66% above state average
Median Home Value
$324,500
2% below national
Census GRAPI
29.5%
Median gross rent as % of renter income

Rent burden measured as median gross rent as a percentage of renter household income (Census ACS B25071)

Affordability Rating
Affordable
Median gross rent is under 30% of renter household income

These figures are county medians, not a personal budget. Use them to frame rent, ownership, and income tradeoffs, then account for household size, commute, financing, insurance, taxes, debt, and local availability before making a decision.

How Cook County Compares

Median monthly rent comparison

Cook County$1,435/mo
Illinois Average$867/mo
National Median$1,413/mo

Detailed Housing Stats

$1,435/mo
Median Gross Rent
$324,500
Median Home Value
$1,708/mo
Monthly Owner Cost
29.5%
Census GRAPI

National Ranking

Affordability Rank

Cook County ranks #2,917 of 3,142 counties for affordability (bottom 7%)

Most AffordableLeast Affordable

Sourced county brief

Cook County Median Gross Rent Estimated at 1,435 Dollars Monthly

Cook County's median gross rent was estimated at $1,435 per month. This figure is $568 above the Illinois unweighted county mean of $867. The official median gross rent as a percentage of household income (GRAPI) was 29.5%, which is 3.4 percentage points higher than the state unweighted county mean of 26.1%. For owner-occupied housing, the median home value was $324,500, exceeding the state unweighted county mean of $153,020. Median selected monthly owner costs for all owner-occupied units were $1,708, compared to a state unweighted county mean of $960. The median income for renter households was $55,388. All statistics are sourced from the ACS 2020-2024 5-year estimates. See ACS table B25071 for the underlying estimate.

Cost of Living Advisory: Cook County

Affordability Verdict

ACS B25071 estimates median gross rent at 29.5% of renter household income in Cook County, which is below the 30% affordability benchmark. This is a median percentage among renter-occupied units, not the share of households above a threshold.

Rent vs. Own

Median gross rent is $1,435 per month; median selected monthly owner costs are $1,708. These ACS medians describe different tenure groups and are not a personalized rent-versus-buy calculation.

Income Needed

Using the common 30% budgeting benchmark, $57,400 in annual gross income would allocate 30% to the county's median gross rent. This is a reproducible illustration, not evidence that a particular household can afford housing.

Regional Context

The Illinois unweighted mean of county median rents is $867 per month. Cook County's $1,435 median is 65.4% above that comparison value.

Data version acs5-2020-2024 · Method cost-advisory-v2

Affordability Calculator

See how your income compares to housing costs in Cook County

$

Rent Burden

20.6%

of gross income

Max Housing (28% Rule)

$1,948

per month

Owner Cost Burden

24.5%

of gross income

The median home in Cook County may be a stretch

Median home value is $324,500. Estimated monthly cost: $2,591 vs. your max of $1,948.

Rent Affordability Guide

Your entered rent as a share of entered income20.6%
Recommended max30.0%

Income Needed Calculator

See how much you need to earn to comfortably afford housing

$
Rent Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $83,498Needed: $57,400
Owner Cost Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $83,498Needed: $73,200
Mortgage Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $83,498Needed: $75,520

Based on the 30% rule for rent and 28% rule for housing costs (mortgage + owner costs). Mortgage estimate assumes 20% down, 7.2% interest, 30-year fixed.

Frequently Asked Questions

What is the cost of living in Cook County, Illinois?
Cook County, Illinois has a median monthly rent of $1,435/mo and a median home value of $324,500. The affordability rating is Affordable, with median gross rent equal to approximately 29.5% of renter household income.
What is the median rent in Cook County?
The median gross rent in Cook County is $1,435/mo. This is 66% above state average for Illinois.
Is Cook County affordable?
Cook County is rated Affordable using the Census median gross-rent-as-a-percentage-of-income measure of 29.5%. Median gross rent is under 30% of renter household income.
How does Cook County's rent compare to the state average?
Cook County's median rent of $1,435/mo is 66% above state average of $867/mo for Illinois.
What is the median home value in Cook County?
The median home value in Cook County, Illinois is $324,500. This is 2% below the national median home value of $332,700.

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Published by the CostByCounty Editorial Team. See our methodology and corrections policy.Data build reviewed 2026-07-09; first published 2026-03-10.

Data: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2020-2024). Data is informational only and is not personalized financial advice.

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