Williamson County, IL Real Estate & Homes For Sale
372 homes
Use arrow keys to navigateNEW - 5 HRS AGO0.5 ACRESPAUL WILSON REALTY, New
Use arrow keys to navigateNEW - 12 HRS AGO0.33 ACRESAlysa Bunting, Indigo Realty LLC
Use arrow keys to navigateNEW - 12 HRS AGOAlysa Bunting, Indigo Realty LLC
Use arrow keys to navigateNEW - 1 DAY AGO0.63 ACRESShelly K Cain, COLDWELL BANKER J D THOMPSON
Use arrow keys to navigateNEW - 1 DAY AGORobert Owsley, Southern Illinois Realty Experts - Herrin
Use arrow keys to navigateNEW - 1 DAY AGO2 ACRESC21 HOUSE OF REALTY, INC. C, New
Use arrow keys to navigateNEW - 1 DAY AGOC21 HOUSE OF REALTY, INC. CD, New
NEW - 1 DAY AGO0.46 ACRESAlexander "Alec" K Childers, HOUSE 2 HOME REALTY
NEW - 1 DAY AGOMaya Massetto, COLDWELL BANKER J D THOMPSON
NEW - 1 DAY AGO0.42 ACRESMaya Massetto, COLDWELL BANKER J D THOMPSON
NEW - 1 DAY AGO113.59 ACRESColdwell Banker Preferred, New
NEW - 1 DAY AGO0.31 ACRESC21 HOUSE OF REALTY, INC. C, New
NEW - 1 DAY AGO0.33 ACRESPresley Barnett, COLDWELL BANKER J D THOMPSON
NEW - 1 DAY AGOErika Lopez, HOUSE 2 HOME REALTY
NEW - 2 DAYS AGO
3D VIEW0.34 ACRESGregory Holthaus, Southern Illinois Realty Experts - Herrin
NEW - 2 DAYS AGO0.33 ACRESEXIT REALTY NEW BEGINNINGZ, New
NEW - 2 DAYS AGOAUCTION
NEW - 2 DAYS AGO0.74 ACRESPAUL WILSON REALTY, New
NEW - 2 DAYS AGO0.29 ACRESCelia Robertson, HOUSE 2 HOME REALTY
Presley Barnett, COLDWELL BANKER J D THOMPSON
NEW CONSTRUCTION0.3 ACRESKara McNeely, COLDWELL BANKER J D THOMPSON
1.42 ACRESShelly K Cain, COLDWELL BANKER J D THOMPSON
AUCTION
COLDWELL BANKER J D THOMPSON, New
0.32 ACRESKELLER WILLIAMS PINNACLE, New
1.5 ACRESMichelle Merrill, RIVER 2 RIVER REALTY, INC.
0.26 ACRESC21 HOUSE OF REALTY, INC. CD, Active
0.52 ACRESRobert Thompson, COLDWELL BANKER J D THOMPSON
0.33 ACRESC21 HOUSE OF REALTY, INC., New- NEW CONSTRUCTION3D VIEW0.32 ACRESShelly K Cain, COLDWELL BANKER J D THOMPSON
1.75 ACRESShelly K Cain, COLDWELL BANKER J D THOMPSON
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
The median home value is $158,465
| Month | Median home value |
|---|---|
| June 2025 | $159k |
| July 2025 | $158k |
| August 2025 | $157k |
| September 2025 | $157k |
| October 2025 | $157k |
| November 2025 | $157k |
| December 2025 | $158k |
| January 2026 | $158k |
| February 2026 | $160k |
| March 2026 | $160k |
| April 2026 | $160k |
| May 2026 | $158k |
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) | $97,411 |
| 3 bedrooms (See homes) | $194,352 |
| 4 bedrooms (See homes) | $279,286 |
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 2026-06-20 06:37:44 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
