CostBy County

Cost of Living in Warren County, Illinois

$788/mo
Median Monthly Rent
$105,000
Median Home Value

At a Glance

Median Monthly Rent
$788/mo
9% below state average
Median Home Value
$105,000
68% below national
Census GRAPI
20.3%
Median gross rent as % of renter income

Rent burden measured as median gross rent as a percentage of renter household income (Census ACS B25071)

Affordability Rating
Affordable
Median gross rent is under 30% of renter household income

These figures are county medians, not a personal budget. Use them to frame rent, ownership, and income tradeoffs, then account for household size, commute, financing, insurance, taxes, debt, and local availability before making a decision.

How Warren County Compares

Median monthly rent comparison

Warren County$788/mo
Illinois Average$867/mo
National Median$1,413/mo

Detailed Housing Stats

$788/mo
Median Gross Rent
$105,000
Median Home Value
$795/mo
Monthly Owner Cost
20.3%
Census GRAPI

National Ranking

Affordability Rank

Warren County ranks #1,108 of 3,142 counties for affordability (top 35%)

Most AffordableLeast Affordable

Sourced county brief

Warren County Official GRAPI Estimated at 20.3 Percent

Warren County reported an official rentBurdenGrapiPct of 20.3%, according to the 2020-2024 ACS 5-Year Estimates. This metric, which measures the median gross rent as a percentage of renter household income, is 5.8 percentage points below the Illinois unweighted county mean of 26.1%. The median gross rent in the county was $788 per month, below the state unweighted mean of $867. For homeowners, the median home value was $105,000, which is below the $153,020 unweighted county mean for the state. Median selected monthly owner costs were $795 per month. The median income for all households in the county was $67,385, while the median income for renter households specifically was $46,250. These statistics offer a snapshot of regional housing and income levels without reference to future market conditions. See ACS table B25071 for the underlying estimate.

Cost of Living Advisory: Warren County

Affordability Verdict

ACS B25071 estimates median gross rent at 20.3% of renter household income in Warren County, which is below the 30% affordability benchmark. This is a median percentage among renter-occupied units, not the share of households above a threshold.

Rent vs. Own

Median gross rent is $788 per month; median selected monthly owner costs are $795. These ACS medians describe different tenure groups and are not a personalized rent-versus-buy calculation.

Income Needed

Using the common 30% budgeting benchmark, $31,520 in annual gross income would allocate 30% to the county's median gross rent. This is a reproducible illustration, not evidence that a particular household can afford housing.

Regional Context

The Illinois unweighted mean of county median rents is $867 per month. Warren County's $788 median is 9.1% below that comparison value.

Data version acs5-2020-2024 · Method cost-advisory-v2

Affordability Calculator

See how your income compares to housing costs in Warren County

$

Rent Burden

14.0%

of gross income

Max Housing (28% Rule)

$1,572

per month

Owner Cost Burden

14.2%

of gross income

You can likely afford the median home in Warren County

Median home value is $105,000. Estimated monthly cost: $838 vs. your max of $1,572.

Rent Affordability Guide

Your entered rent as a share of entered income14.0%
Recommended max30.0%

Income Needed Calculator

See how much you need to earn to comfortably afford housing

$
Rent Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $67,385Needed: $31,520
Owner Cost Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $67,385Needed: $34,071
Mortgage Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $67,385Needed: $24,436

Based on the 30% rule for rent and 28% rule for housing costs (mortgage + owner costs). Mortgage estimate assumes 20% down, 7.2% interest, 30-year fixed.

Frequently Asked Questions

What is the cost of living in Warren County, Illinois?
Warren County, Illinois has a median monthly rent of $788/mo and a median home value of $105,000. The affordability rating is Affordable, with median gross rent equal to approximately 20.3% of renter household income.
What is the median rent in Warren County?
The median gross rent in Warren County is $788/mo. This is 9% below state average for Illinois.
Is Warren County affordable?
Warren County is rated Affordable using the Census median gross-rent-as-a-percentage-of-income measure of 20.3%. Median gross rent is under 30% of renter household income.
How does Warren County's rent compare to the state average?
Warren County's median rent of $788/mo is 9% below state average of $867/mo for Illinois.
What is the median home value in Warren County?
The median home value in Warren County, Illinois is $105,000. This is 68% below the national median home value of $332,700.

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Published by the CostByCounty Editorial Team. See our methodology and corrections policy.Data build reviewed 2026-07-09; first published 2026-03-10.

Data: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2020-2024). Data is informational only and is not personalized financial advice.

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