Rock Island County, IL at a glance
Median household income
$67,159$5,597 per month · U.S. Census Bureau ACS 5-YearHow much rent can you afford in Rock Island 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 Rock Island County, IL? By bedroom, 2026
HUD's fiscal 2026 Fair Market Rents for Davenport-Moline-Rock Island, IA-IL MSA, 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 | $817 | $9,804 | $32,680 | 14.6% |
| 1-Bedroom Apartment | $928 | $11,136 | $37,120 | 16.6% |
| 2-Bedroom ApartmentBenchmark | $1,143 | $13,716 | $45,720 | 20.4% |
| 3-Bedroom Home | $1,498 | $17,976 | $59,920 | 26.8% |
| 4-Bedroom Home | $1,819 | $21,828 | $72,760 | 32.5% |
Rent in Rock Island County, IL, with the wage each unit needs →
What a typical income covers in Rock Island County, IL
The 50/30/20 rule applied to the local median of $67,159 a year ($5,597 a month before tax).
What $67,159 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 Rock Island County, IL: common questions
What is the median household income in Rock Island County, IL?
According to the latest U.S. Census Bureau ACS 5-Year survey, the median household income in Rock Island County, IL is $67,159 per year (approximately $5,597 per month).
What is the average rent in Rock Island County, IL?
The closest official figure is HUD's Fair Market Rent for 2026: $817 for a studio, $928 for one bedroom, $1,143 for two, $1,498 for three and $1,819 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 Rock Island County, IL expensive to live in?
Prices there run 10.9% below the U.S. average. BEA's regional price parity for the metro area is 89.1, 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 Rock Island County, IL?
To keep a $1,143 two-bedroom under 30% of gross income, a household needs about $45,720 a year, or $3,810 a month. That is 68% of what the typical household in Rock Island County, IL earns.
How much do you need to live comfortably in Rock Island County, IL?
On the local median income of $67,159 ($5,597 a month before tax), the 50/30/20 rule leaves $2,798 a month for needs like rent, utilities and groceries, $1,679 for everything else and $1,119 for savings or debt. A two-bedroom at $1,143 takes 41% of the needs share.
How much is the electric bill in Rock Island 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.