Glen Carbon, IL

Below Avg · 86

Illinois · Population 13,521 · Updated March 2026

$1,088
Median Rent / Month
$92,434
Median Income
$278,200
Median Home Value
$1,411
Owner Costs / Month

Affordability

How far your income goes in Glen Carbon

14.1%
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

$13,056
Annual Rent
$4,575
State Income Tax
$5,759
Property Tax (est.)

Cost of Living Overview

Glen Carbon offers a below-average cost of living, giving residents more purchasing power compared to many US cities. With a cost index of 86 (where 100 equals the national median), Glen Carbon residents can expect to pay median rent of $1,088/month while earning a median household income of $92,434/year.

The median home value in Glen Carbon, IL is $278,200, with typical monthly owner costs around $1,411 including mortgage, insurance, and taxes. The median rent-to-income ratio of 14.1% 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 Glen Carbon.

Frequently Asked Questions

Common questions about living costs in Glen Carbon

What is the cost of living in Glen Carbon, IL?
The cost of living index in Glen Carbon, IL is 86 (US average = 100). Median monthly rent is $1,088, median household income is $92,434/year, and the median home value is $278,200.
Is Glen Carbon, IL affordable?
Yes, Glen Carbon is more affordable than the national average with a cost index of 86. The rent-to-income ratio is 14.1%—below the 30%% threshold considered affordable by HUD.
What is the average rent in Glen Carbon, IL?
The median gross rent in Glen Carbon, IL is $1,088 per month according to the US Census Bureau ACS 2023 data. Annual rent costs approximately $13,056.
What is the median household income in Glen Carbon?
The median household income in Glen Carbon, IL is $92,434 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%.