Plainfield, IL

Very High · 138

Illinois · Population 45,705 · Updated March 2026

$1,889
Median Rent / Month
$142,265
Median Income
$398,000
Median Home Value
$2,323
Owner Costs / Month

Affordability

How far your income goes in Plainfield

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

$22,668
Annual Rent
$7,042
State Income Tax
$8,239
Property Tax (est.)

Cost of Living Overview

Plainfield has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 138 (where 100 equals the national median), Plainfield residents can expect to pay median rent of $1,889/month while earning a median household income of $142,265/year.

The median home value in Plainfield, IL is $398,000, with typical monthly owner costs around $2,323 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 Plainfield.

Frequently Asked Questions

Common questions about living costs in Plainfield

What is the cost of living in Plainfield, IL?
The cost of living index in Plainfield, IL is 138 (US average = 100). Median monthly rent is $1,889, median household income is $142,265/year, and the median home value is $398,000.
Is Plainfield, IL affordable?
No, Plainfield is more expensive than the national average with a cost index of 138. The rent-to-income ratio is 15.9%—below the 30%% threshold considered affordable by HUD.
What is the average rent in Plainfield, IL?
The median gross rent in Plainfield, IL is $1,889 per month according to the US Census Bureau ACS 2023 data. Annual rent costs approximately $22,668.
What is the median household income in Plainfield?
The median household income in Plainfield, IL is $142,265 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%.