Illinois · 2026 Federal Benchmarks

Cost of Living in Williamson County, IL

The median household in Williamson County, IL earns $65,604 a year ($5,467/month) according to U.S. Census Bureau ACS data. Benchmark 2-bedroom rent is $1,037/month under HUD Fair Market Rents, requiring an annual income of at least $41,480 under the federal 30% housing rule, with overall consumer prices sitting 0% above the national baseline.

Key Economic Benchmarks

Median Household Income

$65,604$5,467 per month · U.S. Census Bureau ACS 5-Year
2-Bedroom Rent$1,037HUD FY2026 Fair Market Rent
Price Parity (RPP)100.0+0% vs national baseline
Electricity Rate19.9¢per kWh · EIA Residential IL
Census Population66,876Official resident count

Fair market rent & 30% rule in Williamson County, IL

Official HUD Fair Market Rents evaluated against local household income benchmarks.

Affordable (< 30% of income)
HUD Fair Market Rent$1,037Monthly market rent
Share of gross income19%Recommended max: 30%
Annual income needed$41,480To meet the 30% standard
Max affordable rent$1,640At 30% of $65,604
0%30% (Affordability standard)100%
Compare against:

2026 HUD Fair Market Rent Schedule: Williamson County, IL

Official FY2026 HUD Fair Market Rents for Williamson County, IL. Under the federal 30% housing affordability standard, housing costs are sustainable when they consume 30% or less of gross household income.

HUD FY2026 Fair Market Rent Schedule for Williamson County, IL
Unit SizeMonthly RentAnnual Rent30% Rule Min. Income% of Median Income
Studio / Efficiency$753$9,036$30,12013.8%
1-Bedroom Apartment$790$9,480$31,60014.5%
2-Bedroom ApartmentBenchmark$1,037$12,444$41,48019%
3-Bedroom Home$1,369$16,428$54,76025%
4-Bedroom Home$1,386$16,632$55,44025.4%

See dedicated rental breakdown for Williamson County, IL →

50/30/20 Living Budget in Williamson County, IL

Based on the local median household income of $65,604/year ($5,467/month), here is how a balanced budget allocates expenses:

Needs (50%)$2,734/moRent ($1,037 2-BR), utilities (~$179/mo), groceries, transit
Wants (30%)$1,640/moDiscretionary spending: dining, leisure, recreation at 100.0 RPP price level
Savings & Debt (20%)$1,093/moEmergency fund, 401(k), IRA retirement, student loan and debt reduction

Take-Home Pay & Tax Explorer in Illinois

Explore net income after federal income tax, FICA, and Illinois state income tax based on the local median baseline.

$65,604
$25,000$135,000
Filing status:
Gross salary breakdown$65,604
Net 79%
Fed 9%
IL 5%
FICA 8%
Annual take-home$51,790After all taxes
Monthly deposit$4,316Estimated per month
Biweekly paycheck$1,992Every 2 weeks (26/yr)
Effective tax rate21.1%Total tax burden
Federal income tax$5,692 / yr
Illinois state income tax$3,103 / yr
FICA (Social Security & Medicare)$5,019 / yr

Compare earnings and living costs across Illinois with official federal datasets:

Frequently Asked Questions About Living in Williamson County, IL

What is the median household income in Williamson County, IL?

According to the latest U.S. Census Bureau ACS 5-Year survey, the median household income in Williamson County, IL is $65,604 per year (approximately $5,467 per month).

What is the average rent in Williamson County, IL?

According to HUD Fair Market Rent (FMR) benchmarks for 2026, standard monthly rents in Williamson County, IL are $753 for a studio, $790 for 1 bedroom, $1,037 for 2 bedrooms, $1,369 for 3 bedrooms, and $1,386 for 4 bedrooms.

How does the cost of living in Williamson County, IL compare to the national average?

Based on the Bureau of Economic Analysis (BEA) Regional Price Parity index, the general price level in Williamson County, IL is 100.0 (0% higher than the U.S. national baseline of 100.0).

How much do you need to earn to comfortably afford rent in Williamson County, IL?

Under the standard 30% housing affordability standard, renting a median 2-bedroom home ($1,037/month) in Williamson County, IL requires a minimum gross household income of $41,480 per year ($3,457 per month).

What is a balanced 50/30/20 monthly budget in Williamson County, IL?

For a typical household earning the median income of $65,604/year ($5,467/month) in Williamson County, IL, a balanced 50/30/20 budget allocates $2,734/month to essential needs (rent, utilities, groceries), $1,640/month to discretionary spending, and $1,093/month to savings and debt repayment.

What are typical electricity and utility costs in Williamson County, IL?

Residential electricity rates in Illinois average 19.9¢ per kWh according to the U.S. Energy Information Administration (EIA). For an average home using 900 kWh per month, the estimated electric bill is approximately $179 per month.