Active Listings
247
⇩ 8.5%
Data as of January 2026. Source: Realtor.com.
The Williamson County, Illinois real estate market currently shows 247 active listings, with 78 pending sales. Homes are averaging 90.6 days on the market before going under contract.
Inventory has tightened compared to last year, with 23 fewer active listings — creating more competition among buyers.
Homes are taking longer to sell, averaging 90.6 days on market compared to 78 days last year.
The median listing price has fallen 24.6% year-over-year, from $235,783 to $177,761.
Whether you are buying or selling in Williamson County, Illinois, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
Cambria: 62915
Carbondale: 62902
Carterville: 62918
Colp: 62921
Creal Springs: 62922
Energy: 62933
Freeman Spur: 62841
Herrin: 62948
Hurst: 62949
Johnston City: 62951
Marion: 62959
Pittsburg: 62974
ZIP coverage: 12 · Population: 67,880 · Median household income: $60,857
Typical home value: $144,658 · Homeownership rate: 70.8%