Downers Grove, IL

Above Avg · 125

Illinois · Population 49,867 · Updated March 2026

$1,589
Median Rent / Month
$119,649
Median Income
$439,000
Median Home Value
$1,783
Owner Costs / Month

Affordability

How far your income goes in Downers Grove

15.9%
Rent-to-Income Ratio
Affordable
Rent takes less than 25% of median income — considered affordable by HUD standards.

Tax Burden in Illinois

State-level tax rates that affect your costs

4.95%
Income Tax (Top Rate)
6.25%
Sales Tax
2.07%
Property Tax Rate

Estimated Annual Costs

$19,068
Annual Rent
$5,923
State Income Tax
$9,087
Property Tax (est.)

Cost of Living Overview

Downers Grove has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 125 (where 100 equals the national median), Downers Grove residents can expect to pay median rent of $1,589/month while earning a median household income of $119,649/year.

The median home value in Downers Grove, IL is $439,000, with typical monthly owner costs around $1,783 including mortgage, insurance, and taxes. The median rent-to-income ratio of 15.9% 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 Downers Grove.

Frequently Asked Questions

Common questions about living costs in Downers Grove

What is the cost of living in Downers Grove, IL?
The cost of living index in Downers Grove, IL is 125 (US average = 100). Median monthly rent is $1,589, median household income is $119,649/year, and the median home value is $439,000.
Is Downers Grove, IL affordable?
No, Downers Grove is more expensive than the national average with a cost index of 125. The rent-to-income ratio is 15.9%—below the 30%% threshold considered affordable by HUD.
What is the average rent in Downers Grove, IL?
The median gross rent in Downers Grove, IL is $1,589 per month according to the US Census Bureau ACS 2023 data. Annual rent costs approximately $19,068.
What is the median household income in Downers Grove?
The median household income in Downers Grove, IL is $119,649 per year. This compares to the national median of approximately $80,000.
What are the taxes like in Illinois?
Illinois has a top income tax rate of 4.95%, a sales tax of 6.25%, and an effective property tax rate of 2.07%.