All Home Types
Williamson County, IL Housing Market
What is the housing market like in Williamson County today?
Over the three months ending July 2026, Williamson County home prices were down 19.0% compared to the same period last year, selling for a median price of $166K. On average, homes in Williamson County sell after 73 days on the market compared to 63 days last year. There were 86 homes sold in July this year, up from 82 last year.
Median Sale PriceAll Home Types
Median Sale Price
(All Home Types)
$166,013
-19.0% YoY | Jul 2026
Based on Redfin calculations of home data from MLS and/or public records.
Location
Data
Jul 2026
Growth
% YoY
Williamson County, IL
$166,013
-19.0%
United States
Recently sold homes
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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