Home › Counties › Warren County, IL
The median home value in Warren County, IL is $122,099 as of 2026-07-31, down 0.91% from a year earlier.
Median Home Value
$122,099
Year-over-Year
-0.91%
National Rank
#2834 of 3071
Warren County ranks 80th out of 102 counties in IL by median home price, and is -47.9% below the U.S. national median of $234,352. Within IL, the typical county has a median home value of $160,090, making Warren County -23.7% below the IL state median.
Households here earn a median of $67,385 a year against a typical home value of $122,099 — a price-to-income ratio of 1.8×, comfortably below the 3× income level generally considered manageable. That is less affordable than roughly 3% of U.S. counties. (How this is calculated.)
Reporting agencies in Warren County recorded a violent crime rate of 366 per 100,000 residents in 2024 — around the middle of the national range. Property crime runs at 1,371 per 100,000.
Based on 1 reporting city covering 8,460 residents (FBI UCR data — what this covers).
The median home value in Warren County is $122,099. That's down 0.91% from a year earlier. That is about 47.9% below the U.S. national county median of $234,352, and makes Warren County the 80th most expensive of 102 counties in Illinois.
Median household income here is $67,385, so a typical home costs about 1.8× annual household earnings — relatively affordable compared with other U.S. counties.
Reporting police departments in Warren County recorded 366 violent crimes per 100,000 residents. That figure covers 8,460 residents across 1 reporting city, so it reflects the county's incorporated areas rather than every community within its borders.
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