Williamson County, IL Housing Market
The median sale price of a home in Williamson County was $180K last month, up 7.5% since last year. The median sale price per square foot in Williamson County is $118, up 12.4% since last year.
Williamson County Housing Market Trends
In May 2025, Williamson County home prices were up 7.5% compared to last year, selling for a median price of $180K. On average, homes in Williamson County sell after 59 days on the market compared to 63 days last year. There were 75 homes sold in May this year, down from 82 last year.

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View houses in Williamson County that sold recently
Recently sold homes
- $62,500 Last Sold Price2 beds1 bath1,204 sq ft1000 S 12th St, Herrin, IL 62948List Price$69,900Sale to List11% under listDays on Market64 days1000 S 12th St, Herrin, IL 62948
- $420,000 Last Sold Price4 beds3 baths3,640 sq ft1303 Collins Ln, Marion, IL 62959List Price$469,000Sale to List10% under listDays on Market81 days1303 Collins Ln, Marion, IL 62959
- $384,000 Last Sold Price3 beds2.5 baths2,300 sq ft4849 Route 37 Rte, Marion, IL 62959List Price$379,000Sale to List1% over listDays on Market186 days4849 Route 37 Rte, Marion, IL 62959
- $155,000 Last Sold Price2 beds2 baths1,276 sq ft9462 Stanley Ln, Marion, IL 62959List Price$159,500Sale to List3% under listDays on Market24 days9462 Stanley Ln, Marion, IL 62959
- $249,000 Last Sold Price3 beds2 baths1,737 sq ft501 Bogie Dr, Herrin, IL 62948List Price$249,000Sale to List0% over listDays on Market40 days501 Bogie Dr, Herrin, IL 62948
- $125,000 Last Sold Price3 beds2 baths1,453 sq ft17666 IL Route 37, West Frankfort, IL 62896List Price$157,000Sale to List20% under listDays on Market108 days17666 IL Route 37, West Frankfort, IL 62896
- $275,000 Last Sold Price3 beds2 baths2,026 sq ft1209 Murraywood Ln, Carterville, IL 62918List Price$294,000Sale to List6% under listDays on Market80 days1209 Murraywood Ln, Carterville, IL 62918
- $254,250 Last Sold Price3 beds2.5 baths1,634 sq ft14785 Followell Dr, Marion, IL 62959-7490List Price$259,000Sale to List2% under listDays on Market34 days14785 Followell Dr, Marion, IL 62959-7490
See all recently sold homes in Williamson County.
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Schools in Williamson County
- Elementary
- Middle
- High
GreatSchools Rating
9/10 Washington Elementary School Public • K-5 | 487 Students | N/A |
8/10 Tri-C Elementary K-4 Grade School Public • K-3 | 701 Students | 2 reviews |
8/10 Longfellow Elementary School Public • K-5 | 241 Students | 4 reviews |
8/10 Lincoln Elementary School Public • 3-4 | 139 Students | N/A |
8/10 Adams School Public • PreK-8 | 260 Students | N/A |
Climate's impact on Williamson County housing
Learn about natural hazards and environmental risks, such as floods, fires, wind, and heat that could impact homes in Williamson County.
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