Home › Counties › Jefferson County, IL
The median home value in Jefferson County, IL is $148,135 as of 2026-07-31, up 8.06% from a year earlier.
Median Home Value
$148,135
Year-over-Year
+8.06%
National Rank
#2587 of 3071
Jefferson County ranks 61st out of 102 counties in IL by median home price, and is -36.8% below the U.S. national median of $234,352. Within IL, the typical county has a median home value of $160,090, making Jefferson County -7.5% below the IL state median.
Households here earn a median of $63,118 a year against a typical home value of $148,135 — a price-to-income ratio of 2.3×, 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 Jefferson County recorded a violent crime rate of 247 per 100,000 residents in 2024 — around the middle of the national range. Property crime runs at 1,089 per 100,000.
Based on 1 reporting city covering 14,146 residents (FBI UCR data — what this covers).
The median home value in Jefferson County is $148,135. That's up 8.06% from a year earlier. That is about 36.8% below the U.S. national county median of $234,352, and makes Jefferson County the 61st most expensive of 102 counties in Illinois.
Median household income here is $63,118, so a typical home costs about 2.3× annual household earnings — relatively affordable compared with other U.S. counties.
Reporting police departments in Jefferson County recorded 247 violent crimes per 100,000 residents. That figure covers 14,146 residents across 1 reporting city, so it reflects the county's incorporated areas rather than every community within its borders.
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