Home › Counties › Rock Island County, IL
The median home value in Rock Island County, IL is $158,509 as of 2026-08-31, up 4.74% from a year earlier.
Median Home Value
$158,509
Year-over-Year
+4.74%
National Rank
#2494 of 3071
Rock Island County ranks 52nd out of 102 counties in IL by median home price, and is -32.6% below the U.S. national median of $235,072. Within IL, the typical county has a median home value of $158,585, making Rock Island County in line with the IL state median.
The typical home value decreased by 0.3%, from $158,998 in May 2026 to $158,509 in Aug 2026.
Monthly Zillow Home Value Index snapshots retained by HomePriceMap. A short history is shown now and grows automatically as each new monthly release arrives.
| Month | Typical home value | Year-over-year change |
|---|---|---|
| May 2026 | $158,998 | +5.1% |
| Jun 2026 | $160,485 | +5.3% |
| Jul 2026 | $161,018 | +5.2% |
| Aug 2026 | $158,509 | +4.7% |
Households here earn a median of $67,159 a year against a typical home value of $158,509 — a price-to-income ratio of 2.4×, comfortably below the 3× income level generally considered manageable. That is less affordable than roughly 10% of U.S. counties. (How this is calculated.)
Reporting agencies in Rock Island County recorded a violent crime rate of 402 per 100,000 residents in 2024 — around the middle of the national range. Property crime runs at 2,834 per 100,000.
Based on 6 reporting cities covering 114,731 residents (FBI UCR data — what this covers).
The median home value in Rock Island County is $158,509. That's up 4.74% from a year earlier. That is about 32.6% below the U.S. national county median of $235,072, and makes Rock Island County the 52nd most expensive of 102 counties in Illinois.
Median household income here is $67,159, so a typical home costs about 2.4× annual household earnings — relatively affordable compared with other U.S. counties.
Reporting police departments in Rock Island County recorded 402 violent crimes per 100,000 residents. That figure covers 114,731 residents across 6 reporting cities, so it reflects the county's incorporated areas rather than every community within its borders.
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