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Median Home Price in Saint Clair County, IL

The median home value in Saint Clair County, IL is $179,207 as of 2026-08-31, up 1.5% from a year earlier.

Median Home Value

$179,207

Year-over-Year

+1.5%

National Rank

#2219 of 3071

Saint Clair County ranks 34th out of 102 counties in IL by median home price, and is -23.8% below the U.S. national median of $235,072. Within IL, the typical county has a median home value of $158,585, making Saint Clair County +13.0% above the IL state median.

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Home value history

The typical home value decreased by 0.7%, from $180,517 in May 2026 to $179,207 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.

Saint Clair County, IL monthly home value history
Month	Typical home value	Year-over-year change
May 2026	$180,517	+2.8%
Jun 2026	$180,981	+2.2%
Jul 2026	$181,995	+1.9%
Aug 2026	$179,207	+1.5%

Can you afford a home in Saint Clair County?

Households here earn a median of $73,854 a year against a typical home value of $179,207 — 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.)

Crime in Saint Clair County

Reporting agencies in Saint Clair County recorded a violent crime rate of 263 per 100,000 residents in 2024 — around the middle of the national range. Property crime runs at 1,239 per 100,000.

Based on 14 reporting cities covering 155,366 residents (FBI UCR data — what this covers).

Common questions about Saint Clair County

How much does a house cost in Saint Clair County, IL?

The median home value in Saint Clair County is $179,207. That's up 1.5% from a year earlier. That is about 23.8% below the U.S. national county median of $235,072, and makes Saint Clair County the 34th most expensive of 102 counties in Illinois.

Is Saint Clair County affordable?

Median household income here is $73,854, so a typical home costs about 2.4× annual household earnings — relatively affordable compared with other U.S. counties.

Is Saint Clair County a safe place to live?

Reporting police departments in Saint Clair County recorded 263 violent crimes per 100,000 residents. That figure covers 155,366 residents across 14 reporting cities, so it reflects the county's incorporated areas rather than every community within its borders.