Westmont, IL

Average · 108

Illinois · Population 24,201 · Updated March 2026

$1,427
Median Rent / Month
$83,622
Median Income
$369,100
Median Home Value
$1,505
Owner Costs / Month

Affordability

How far your income goes in Westmont

20.5%
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

$17,124
Annual Rent
$4,139
State Income Tax
$7,640
Property Tax (est.)

Cost of Living Overview

Westmont is more expensive than the national average. Higher housing costs are typically the primary driver. With a cost index of 108 (where 100 equals the national median), Westmont residents can expect to pay median rent of $1,427/month while earning a median household income of $83,622/year.

The median home value in Westmont, IL is $369,100, with typical monthly owner costs around $1,505 including mortgage, insurance, and taxes. The median rent-to-income ratio of 20.5% 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 Westmont.

Frequently Asked Questions

Common questions about living costs in Westmont

What is the cost of living in Westmont, IL?
The cost of living index in Westmont, IL is 108 (US average = 100). Median monthly rent is $1,427, median household income is $83,622/year, and the median home value is $369,100.
Is Westmont, IL affordable?
No, Westmont is more expensive than the national average with a cost index of 108. The rent-to-income ratio is 20.5%—below the 30%% threshold considered affordable by HUD.
What is the average rent in Westmont, IL?
The median gross rent in Westmont, IL is $1,427 per month according to the US Census Bureau ACS 2023 data. Annual rent costs approximately $17,124.
What is the median household income in Westmont?
The median household income in Westmont, IL is $83,622 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%.