Home › Counties › Saint Clair County, IL
The median home value in Saint Clair County, IL is $181,995 as of 2026-07-31, up 1.93% from a year earlier.
Median Home Value
$181,995
Year-over-Year
+1.93%
National Rank
#2168 of 3071
Saint Clair County ranks 34th out of 102 counties in IL by median home price, and is -22.3% below the U.S. national median of $234,352. Within IL, the typical county has a median home value of $160,090, making Saint Clair County +13.7% above the IL state median.
Households here earn a median of $73,854 a year against a typical home value of $181,995 — a price-to-income ratio of 2.5×, comfortably below the 3× income level generally considered manageable. That is less affordable than roughly 12% of U.S. counties. (How this is calculated.)
Reporting agencies in Saint Clair County recorded a violent crime rate of 260 per 100,000 residents in 2024 — around the middle of the national range. Property crime runs at 1,250 per 100,000.
Based on 13 reporting cities covering 153,218 residents (FBI UCR data — what this covers).
The median home value in Saint Clair County is $181,995. That's up 1.93% from a year earlier. That is about 22.3% below the U.S. national county median of $234,352, and makes Saint Clair County the 34th most expensive of 102 counties in Illinois.
Median household income here is $73,854, so a typical home costs about 2.5× annual household earnings — relatively affordable compared with other U.S. counties.
Reporting police departments in Saint Clair County recorded 260 violent crimes per 100,000 residents. That figure covers 153,218 residents across 13 reporting cities, so it reflects the county's incorporated areas rather than every community within its borders.
Shiloh · O Fallon · Mascoutah · Swansea · Fairview Heights · Belleville
Adams County · Johnson County · Lee County · Moultrie County · Cumberland County · Henry County · Mercer County · Jasper County