The median sale price of a home in St. Clair County was $235K last month, up 12.9% since last year. The median sale price per square foot in St. Clair County is $126, up 7.7% since last year.
What is the housing market like in St. Clair County today?
In May 2025, St. Clair County home prices were up 12.9% compared to last year, selling for a median price of $235K. On average, homes in St. Clair County sell after 34 days on the market compared to 34 days last year. There were 302 homes sold in May this year, down from 309 last year.
All Home Types
Median Sale PriceAll Home Types
Median Sale Price
(All Home Types)
$234,834
+12.9% YoY | May 2025
Based on Redfin calculations of home data from MLS and/or public records.
Location
Data
May 2025
Growth
% YoY
St. Clair County, IL
$234,834
+12.9%
United States
To compare other locations to the St. Clair County and U.S. housing market, enter a city, neighborhood, state, or zip code into the search bar. Learn which home features in Illinois add value to a home.
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All Home Types
Sale-to-List PriceAll Home Types
Sale-to-List Price
(All Home Types)
100.2%
+0.04 pt YoY | May 2025
Based on Redfin calculations of home data from MLS and/or public records.
Location
Data
May 2025
Growth
% YoY
St. Clair County, IL
100.2%
+0.04 pt
United States
View houses in St. Clair County that sold recently
School data provided by GreatSchools. School service boundaries are intended to be used as reference only. To verify enrollment eligibility for a property, contact the school directly.
Climate's impact on St. Clair County housing
Learn about natural hazards and environmental risks, such as floods, fires, wind, and heat that
could impact homes in St. Clair County.
Flood Factor - Moderate
16% of properties are at risk of severe flooding over the next 30 years
Flood Factor
St. Clair County has a moderate risk of flooding. 14,263 properties in St. Clair County are likely to be
severely affected
by flooding over the next 30 years. This represents 16% of all properties in St. Clair County. Flood risk is increasing slower than the national average.
4% of properties are at risk of wildfire over the next 30 years
Fire Factor
St. Clair County has a moderate risk of wildfire. There are 7,008 properties in St. Clair County that have some risk of being affected by wildfire over the next 30 years. This represents 4% of all properties in St. Clair County.
99% of properties are at minor
risk of a severe wind event over the next 30 years
Wind Factor
St. Clair County has a Minor Wind Factor® risk based on the projected likelihood and speed of hurricane, tornado, or severe storm winds impacting it. St. Clair County is most at risk from hurricanes. 148,464 properties in St. Clair County have some risk of being in a severe wind event within the next 30 years.
Wind likelihood over time
If an exceedingly rare windstorm
(a 1-in-3,000 year storm event)
occurred today, it could cause wind gusts of up to 61 mph. In 30 years, an event of this same likelihood would show increased wind gusts of up to 73 mph.
97% of properties are at major
risk of heat over the next 30 years
Heat Factor
St. Clair County has a major risk from heat. This is due to
"feels like" temperatures
increasing, and because 97% of homes in St. Clair County have a Major Heat Factor®.
St. Clair County is expected to see a 200% increase in the number of days over 107ºF over the next 30 years. St. Clair County is expected to experience 7