Rent comparison · HUD FY2026
Rock Island County vs Cook County
How do Rock Island County and Cook County rents compare? A side-by-side FY 2026 HUD Fair Market Rent breakdown, studio through 4-bedroom.
- $928
- Rock Island County (1BR)
- $1,581
- Cook County (1BR)
- −41%
- 1BR difference
Side-by-side FY 2026 HUD Fair Market Rent comparison. Data from U.S. Department of Housing and Urban Development (HUD).
A 1-bedroom in Rock Island County is 41% cheaper than Cook County at the HUD Fair Market Rent level ($928 vs $1,581). Both figures are the 40th percentile of gross rents (utilities included, telephone excluded) set by HUD for the federal fiscal year 2026. Section 8 Housing Choice Voucher payment standards in each area are set between 90% and 110% of these FMR numbers. Source: HUD Fair Market Rents.
How Do Rents Compare By Bedroom?
| Bedrooms | Rock Island County | Cook County | Difference |
|---|---|---|---|
| Studio | $817 | $1,480 | −$663 (-45%) |
| 1 Bedroom | $928 | $1,581 | −$653 (-41%) |
| 2 Bedroom | $1,143 | $1,781 | −$638 (-36%) |
| 3 Bedroom | $1,498 | $2,294 | −$796 (-35%) |
| 4 Bedroom | $1,819 | $2,653 | −$834 (-31%) |
vs US National Average
National average 1BR: $959. Rock Island County is 3% below the US average. Cook County is 65% above.
Sources: HUD Fair Market Rents FY 2026. Population and median income from U.S. Census Bureau American Community Survey (ACS).