Home › Counties › Knox County, IL
The median home value in Knox County, IL is $122,681 as of 2026-08-31, up 13.62% from a year earlier.
Median Home Value
$122,681
Year-over-Year
+13.62%
National Rank
#2852 of 3071
Knox County ranks 77th out of 102 counties in IL by median home price, and is -47.8% below the U.S. national median of $235,072. Within IL, the typical county has a median home value of $158,585, making Knox County -22.6% below the IL state median.
The typical home value increased by 2.3%, from $119,977 in May 2026 to $122,681 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 | $119,977 | +17.0% |
| Jun 2026 | $123,085 | +16.6% |
| Jul 2026 | $120,012 | +15.0% |
| Aug 2026 | $122,681 | +13.6% |
Households here earn a median of $57,030 a year against a typical home value of $122,681 — a price-to-income ratio of 2.2×, comfortably below the 3× income level generally considered manageable. That is less affordable than roughly 6% of U.S. counties. (How this is calculated.)
Reporting agencies in Knox County recorded a violent crime rate of 474 per 100,000 residents in 2024 — higher than most counties nationally. Property crime runs at 2,755 per 100,000.
Based on 2 reporting cities covering 31,654 residents (FBI UCR data — what this covers).
The median home value in Knox County is $122,681. That's up 13.62% from a year earlier. That is about 47.8% below the U.S. national county median of $235,072, and makes Knox County the 77th most expensive of 102 counties in Illinois.
Median household income here is $57,030, so a typical home costs about 2.2× annual household earnings — relatively affordable compared with other U.S. counties.
Reporting police departments in Knox County recorded 474 violent crimes per 100,000 residents. That figure covers 31,654 residents across 2 reporting cities, so it reflects the county's incorporated areas rather than every community within its borders.
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