Cost of Living in Johnson County, Illinois
At a Glance
Rent burden measured as median gross rent as a percentage of renter household income (Census ACS B25071)
How Johnson County Compares
Median monthly rent comparison
Detailed Housing Stats
Data Story
About Cost of Living in Johnson County, Illinois
Johnson County offers exceptional rent savings
Johnson County renters spend just 11.7% of income on rent, among the lowest ratios in the nation and well below the U.S. average of roughly 15%. Though household income of $65,203 runs below the national median, remarkably low rents of $634 create genuine affordability for budget households.
Illinois's most affordable county for renters
At 11.7% rent-to-income, Johnson County ranks at the top of Illinois affordability, significantly outperforming the state average of 14.7%. Median rent of $634 stands 24% below the state median of $837, making it the cheapest option in Illinois.
Dramatically cheaper than surrounding counties
Johnson County's $634 rent is 26% lower than Jefferson County's $862 and 20% lower than Knox County's $725. With the lowest owner costs ($735/month) among comparable southern Illinois counties, Johnson offers the region's best value proposition.
Johnson County's exceptional rent profile
Renters pay just $634/month while homeowners average $735/month, consuming only 11.7% and 13.5% of household income respectively. Despite the lowest median income ($65,203) among these eight counties, Johnson's rock-bottom housing costs deliver the strongest real affordability.
The Illinois affordability champion
If budget is your primary concern, Johnson County delivers unmatched housing affordability in Illinois. You'll stretch your dollars further here than anywhere else in the state, though median incomes suggest considering remote work or entrepreneurial opportunities.
Affordability Calculator
See how your income compares to housing costs in Johnson County
Rent Burden
11.7%
of gross income
Max Housing (28% Rule)
$1,521
per month
Owner Cost Burden
13.5%
of gross income
You can likely afford the median home in Johnson County
Median home value is $148,200. Estimated monthly cost: $1,183 vs. your max of $1,521.
Rent Affordability Guide
Frequently Asked Questions
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See Today's RatesData: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2019-2023) — Informational only. Not financial or legal advice.