Home › Counties › Rock Island County, IL
The median home value in Rock Island County, IL is $161,018 as of 2026-07-31, up 5.23% from a year earlier.
Median Home Value
$161,018
Year-over-Year
+5.23%
National Rank
#2455 of 3071
Rock Island County ranks 50th out of 102 counties in IL by median home price, and is -31.3% below the U.S. national median of $234,352. Within IL, the typical county has a median home value of $160,090, making Rock Island County +0.6% above the IL state median.
Households here earn a median of $67,159 a year against a typical home value of $161,018 — a price-to-income ratio of 2.4×, comfortably below the 3× income level generally considered manageable. That is less affordable than roughly 11% 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 $161,018. That's up 5.23% from a year earlier. That is about 31.3% below the U.S. national county median of $234,352, and makes Rock Island County the 50th 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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