Williamson County, IL Home Values & Market Trends
The median home price in Williamson County, IL is $182,829. There were 841 home sales in Williamson County, IL over the past 12 months. The median residential Williamson County, IL home value for transactions over the previous year is $150,000. The number of current listings in Williamson County, IL is 769, and the percentage of properties for sale is 769.00%. The county has 49 foreclosures, 3 bank owned properties, 19 headed for auction, and 769 properties for sale.
Williamson County, IL Real Estate Market Overview
| City | Median Est. Value | City | Median Est. Value |
|---|---|---|---|
| Marion | $ 219,900 $ 133/sqft | Energy | $ 154,079 $ 128/sqft |
| Herrin | $ 115,317 $ 94/sqft | Hurst | $ 77,615 $ 90/sqft |
| Carterville | $ 229,500 $ 144/sqft | Cambria | $ 119,900 $ 129/sqft |
| Johnston City | $ 131,453 $ 104/sqft | Colp | $ -- $ -- |
| Creal Springs | $ 327,450 $ 193/sqft | Freeman Spur | $ -- $ -- |
| Pittsburg | $ 187,258 $ 155/sqft |
Housing Market Summary for Williamson County, IL
| Sep 2025 | September 2026 | Change | |
|---|---|---|---|
| Median Listing Price | $129.9K | $146.9K | 13.13% |
| Median Sold Price | $41,474 | $138.1K | 232.87% |
| Homes For Sale | 642 | 732 | 14.02% |
| Homes Sold | 1 | 419 | 41800.00% |
Price Per Square Foot
On an average, Single Family homes cost $33 more per sqft than Condos. In comparison with sales price/sqft last week, list price/sqft of Single Family homes increased by 1.93% whereas, list price/sqft of Condos increased by 9.38%.
Recently Sold Homes
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Browse Homes in Williamson County, IL
Williamson County, IL home values range from $11,052 to $1,500,000. Creal Springs is the priciest city with a median listing home price of $249,950, and Herrin is most affordable with average house prices of around $79,900.
- Pre-ForeclosurePre-foreclosure homes account for 1.98% of all residential properties in Williamson County, IL with Marion containing 14 pre-foreclosures, the highest number of pre-foreclosure properties in a single city. There are 11 cities within Williamson County, IL; of those cities, the estimated home value for pre-foreclosure homes ranges from $261,800 in Creal Springs to the lowest home value of $26,502 in Herrin.
- Bank OwnedThe median estimated home value of bank owned homes (REO properties) in Williamson County, IL ranges from the highest value of $99,900 in Marion to the lowest value of $99,900 in Johnston City. Bank owned homes and properties account for 0.22% of properties in Williamson County, IL. There are 11 cities within Williamson County, IL; Johnston City containing 1 REO properties, has the highest number of bank owned properties in a single city.
- AuctionsMarion has 9 auction properties, the highest number of properties going to auction in a single city in the state of Williamson County, IL. Auction homes and other auction properties account for 1.40% of all properties in Williamson County, IL. There are 11 cities within Williamson County, IL; of those cities, the median estimated home value for homes going to auction ranges from $299,685 in Marion to the lowest value of $55,445 in Marion.
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Guide for Williamson County, IL





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