Arlington Heights, IL

Above Avg · 125

Illinois · Population 76,220 · Updated March 2026

$1,727
Median Rent / Month
$118,532
Median Income
$403,200
Median Home Value
$1,765
Owner Costs / Month

Affordability

How far your income goes in Arlington Heights

17.5%
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

$20,724
Annual Rent
$5,867
State Income Tax
$8,346
Property Tax (est.)

Cost of Living Overview

Arlington Heights 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), Arlington Heights residents can expect to pay median rent of $1,727/month while earning a median household income of $118,532/year.

The median home value in Arlington Heights, IL is $403,200, with typical monthly owner costs around $1,765 including mortgage, insurance, and taxes. The median rent-to-income ratio of 17.5% 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 Arlington Heights.

Frequently Asked Questions

Common questions about living costs in Arlington Heights

What is the cost of living in Arlington Heights, IL?
The cost of living index in Arlington Heights, IL is 125 (US average = 100). Median monthly rent is $1,727, median household income is $118,532/year, and the median home value is $403,200.
Is Arlington Heights, IL affordable?
No, Arlington Heights is more expensive than the national average with a cost index of 125. The rent-to-income ratio is 17.5%—below the 30%% threshold considered affordable by HUD.
What is the average rent in Arlington Heights, IL?
The median gross rent in Arlington Heights, IL is $1,727 per month according to the US Census Bureau ACS 2023 data. Annual rent costs approximately $20,724.
What is the median household income in Arlington Heights?
The median household income in Arlington Heights, IL is $118,532 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%.