Union County, IL at a glance
Median household income
$55,728$4,644 per month · U.S. Census Bureau ACS 5-YearHow much rent can you afford in Union County, IL?
HUD’s fair market rent for each size, against what a typical household here earns. Change the income to see yours.
How much is rent in Union County, IL? By bedroom, 2026
HUD's fiscal 2026 Fair Market Rents for Union County, IL, with the income each one takes if rent stays under 30% of it.
| Unit Size | Monthly Rent | Annual Rent | 30% Rule Min. Income | % of Median Income |
|---|---|---|---|---|
| Studio / Efficiency | $640 | $7,680 | $25,600 | 13.8% |
| 1-Bedroom Apartment | $698 | $8,376 | $27,920 | 15% |
| 2-Bedroom ApartmentBenchmark | $916 | $10,992 | $36,640 | 19.7% |
| 3-Bedroom Home | $1,129 | $13,548 | $45,160 | 24.3% |
| 4-Bedroom Home | $1,261 | $15,132 | $50,440 | 27.2% |
What a typical income covers in Union County, IL
The 50/30/20 rule applied to the local median of $55,728 a year ($4,644 a month before tax).
What $55,728 leaves after Illinois taxes
Federal income tax, Social Security, Medicare and Illinois tax on the local median income. Change the salary to see yours.
Rent, jobs and pay in Illinois
Living in Union County, IL: common questions
What is the median household income in Union County, IL?
According to the latest U.S. Census Bureau ACS 5-Year survey, the median household income in Union County, IL is $55,728 per year (approximately $4,644 per month).
What is the average rent in Union County, IL?
The closest official figure is HUD's Fair Market Rent for 2026: $640 for a studio, $698 for one bedroom, $916 for two, $1,129 for three and $1,261 for four, utilities included.
It is not an average of listings. HUD sets it at the rent 40% of recent movers paid or less for a standard unit, so a new lease on a nicer place will usually cost more.
Is Union County, IL expensive to live in?
Prices there run about the same as the U.S. average. BEA's regional price parity for Illinois is 100.0, where the U.S. is 100. Rent moves the number most: housing is where places differ, while goods cost about the same everywhere.
How much do you need to earn to comfortably afford rent in Union County, IL?
To keep a $916 two-bedroom under 30% of gross income, a household needs about $36,640 a year, or $3,053 a month. That is 66% of what the typical household in Union County, IL earns.
How much do you need to live comfortably in Union County, IL?
On the local median income of $55,728 ($4,644 a month before tax), the 50/30/20 rule leaves $2,322 a month for needs like rent, utilities and groceries, $1,393 for everything else and $929 for savings or debt. A two-bedroom at $916 takes 39% of the needs share.
How much is the electric bill in Union County, IL?
Homes in Illinois paid 19.9¢ per kWh on average (EIA). At 900 kWh a month, a typical use, that is about $179. Your bill depends mostly on heating and cooling.