Williamson County, IL Real Estate & Homes For Sale
377 homes
Use arrow keys to navigateNEW - 7 HRS AGO0.85 ACRESSarah Bethune, HOUSE 2 HOME REALTY
Use arrow keys to navigateNEW - 9 HRS AGO0.58 ACRESJoanna Ferrell, HOUSE 2 HOME REALTY
Use arrow keys to navigateNEW - 14 HRS AGO4.25 ACRESRE/MAX INTEGRITY, New
Use arrow keys to navigateNEW - 20 HRS AGOErika Lopez, HOUSE 2 HOME REALTY
Use arrow keys to navigateNEW - 1 DAY AGOC21 HOUSE OF REALTY, INC. L, New
Use arrow keys to navigateNEW - 1 DAY AGO1.42 ACRESC21 HOUSE OF REALTY, INC. C, New
Use arrow keys to navigateNEW - 1 DAY AGO1.16 ACRESPROPERTY WITH TLC, LLC, New
NEW - 1 DAY AGO0.39 ACRESKELLER WILLIAMS PINNACLE, New
NEW - 2 DAYS AGOFOR SALE BY OWNER0.25 ACRES
NEW - 2 DAYS AGOFOR SALE BY OWNER0.4 ACRES
Michelle Merrill, RIVER 2 RIVER REALTY, INC.- AUCTION
AUCTION
Kaitlynn Morgan, HOUSE 2 HOME REALTY
0.47 ACRESAngela Horn, REALTY 618 LLC
1.13 ACRESRhiannon Sandefur, Selling SI Realty
Rhiannon Sandefur, Selling SI Realty
FOR SALE BY OWNER0.43 ACRES
3D VIEWInfinity Realty of Southern IL, Active
Nikki Rishel, Southern Illinois Realty Experts - Carbondale
AUCTION0.45 ACRES- AUCTION0.26 ACRES
AUCTION0.31 ACRES
AUCTION0.35 ACRES
Sarah Rakers, HOUSE 2 HOME REALTY
0.27 ACRESInfinity Realty of Southern IL, Active
Presley Barnett, COLDWELL BANKER J D THOMPSON
FOR SALE BY OWNER
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 $161,773
| Month | Median home value |
|---|---|
| July 2025 | $162k |
| August 2025 | $161k |
| September 2025 | $161k |
| October 2025 | $161k |
| November 2025 | $161k |
| December 2025 | $161k |
| January 2026 | $162k |
| February 2026 | $163k |
| March 2026 | $164k |
| April 2026 | $164k |
| May 2026 | $162k |
| June 2026 | $162k |
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) | $99,874 |
| 3 bedrooms (See homes) | $196,141 |
| 4 bedrooms (See homes) | $282,223 |
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 2026-08-04 23:52:53 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
