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Market Hotness: Median Days on Market in Williamson County, IL (MEDAONMACOUNTY17199)

Observations

Jul 2026: 55.25
Updated: Aug 6, 2026 5:21 PM CDT
Jul 2026:  55.25  
Jun 2026:  63.50  
May 2026:  64.00  
Apr 2026:  52.50  
Mar 2026:  53.00  

Units:

Days,
Not Seasonally Adjusted

Frequency:

Monthly

Fullscreen

Notes

Title Release Dates
Market Hotness: Median Days on Market in Williamson County, IL 2020-04-02 2026-08-06
 
Source    
Realtor.com 2020-04-02 2026-08-06
 
Release    
Market Hotness Index 2020-04-02 2026-08-06
 
Units    
Days 2020-04-02 2026-08-06
 
Frequency    
Monthly 2020-04-02 2026-08-06
 
Seasonal Adjustment    
Not Seasonally Adjusted 2020-04-02 2026-08-06
 
Notes    
The median number of days on market of listings in a given geography during the specified month (calculated from list date to closing, pending, or off-market date depending on data availability).

2020-04-02 2021-12-01
The median number of days on market of listings in a given geography during the specified month (calculated from list date to closing, pending, or off-market date depending on data availability).

With the release of its November 2021 housing trends report, Realtor.com® incorporated a new and improved methodology for capturing and reporting housing inventory trends and metrics. The new methodology uses the latest and most accurate data mapping of listing statuses to yield a cleaner and more consistent measurement of active listings at both the national and local level. The methodology has also been adjusted to better account for missing data in some fields including square footage. Most areas across the country will see minor changes with a smaller handful of areas seeing larger updates. As a result of these changes, the data released since December 2021 will not be directly comparable with previous data releases (files downloaded before December 2021) and Realtor.com® economics blog posts. However, future data releases, including historical data, will consistently apply the new methodology. More details are available at the source's Real Estate Data Library (https://www.realtor.com/research/data/).

2021-12-02 2026-08-06

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Change, Monthly, Not Seasonally Adjusted Percent Change, Monthly, Not Seasonally Adjusted Percent Change from Year Ago, Monthly, Not Seasonally Adjusted

Related Categories

Williamson County, IL Counties Illinois States U.S. Regional Data Housing Production & Business Activity

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Williamson County, IL Market Hotness Illinois Median Realtor.com County or County Equivalent Copyrighted: Citation Required Monthly United States of America Not Seasonally Adjusted