Williamson County, IL Real Estate & Homes For Sale
352 homes
- NEW - 1 HR AGODebra J Case, HOUSE 2 HOME REALTY
- NEW - 4 HRS AGOFOR SALE BY OWNER
- NEW - 6 HRS AGO0.39 ACRESRE/MAX REALTY CENTRAL, New
- NEW - 1 DAY AGO0.36 ACRESAlysa Bunting, Indigo Realty LLC
- NEW - 1 DAY AGO0.36 ACRESCOLDWELL BANKER J D THOMPSON, New
- NEW - 1 DAY AGOShawnna L Donovan, Southern Illinois Realty Experts - Herrin
- Chad Wilkinson, Whitetail Properties Real Esta
- Chad Wilkinson, Whitetail Properties Real Esta
- Homefinders Realty, New
- Stevie Rae, HOUSE 2 HOME REALTY
- EXIT REALTY NEW BEGINNINGZ, New
- Amy Smith, Southern Illinois Realty Experts - Herrin
- Avripas Southern Real Estate, New
- COLDWELL BANKER J D THOMPSON, New
- Shawnna L Donovan, Southern Illinois Realty Experts - Herrin
- Kaitlynn Morgan, HOUSE 2 HOME REALTY
- Stevie Rae, HOUSE 2 HOME REALTY
- Shawnna L Donovan, Southern Illinois Realty Experts - Herrin
- Homefinders Realty, New
- Premier Farm Realty Group LLC
- Alexander "Alec" K Childers, HOUSE 2 HOME REALTY
- Shanna Green, HOUSE 2 HOME REALTY
- Randi Lindsay, HOUSE 2 HOME REALTY
- Landmark Realty Group, New
- PROPERTY WITH TLC, LLC, Active
- Monica J McGinley, HOUSE 2 HOME REALTY
- COLDWELL BANKER J D THOMPSON, Active
- Homefinders Realty, Active
- Coldwell Banker DHH Realty, Active
- T.J. Martin, Indigo Realty LLC
- PAUL WILSON REALTY, Active
Williamson County, IL Real Estate Trends
Learn about the Williamson County, IL housing market through trends and averages.Affordability of Living in Williamson County, IL
| Month | Median home value |
|---|---|
| April 2025 | $147k |
| May 2025 | $148k |
| June 2025 | $148k |
| July 2025 | $147k |
| August 2025 | $147k |
| September 2025 | $146k |
| October 2025 | $147k |
| November 2025 | $147k |
| December 2025 | $147k |
| January 2026 | $148k |
| February 2026 | $149k |
| March 2026 | $149k |
Trends and affordability stats are provided by third party data sources.
Average Home Value in Williamson County, IL, by Home Size
| Home Size | Home Value* |
|---|---|
| 2 bedrooms (See homes) | $91,289 |
| 3 bedrooms (See homes) | $187,041 |
| 4 bedrooms (See homes) | $270,612 |

Based on information submitted to the MLS GRID as of 2026. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Click here for more information

IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Information is deemed reliable but not guaranteed. Some IDX listings have been excluded from this website. Click here for more information

Based on information submitted to the MLS GRID as of 2026-05-06 12:27:52 PDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website. Click here for more information