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Market Hotness: Median Days on Market in Williamson County, IL (MEDAONMAYYCOUNTY17199)

Observations

May 2026: 12.28070
Updated: Jun 11, 2026 5:36 PM CDT
May 2026:  12.28070  
Apr 2026:  2.43902  
Mar 2026:  -10.16949  
Feb 2026:  27.81690  
Jan 2026:  20.27027  

Units:

Percent Change from Year Ago,
Not Seasonally Adjusted

Frequency:

Monthly

Fullscreen

Notes

Title Release Dates
Market Hotness: Median Days on Market in Williamson County, IL 2020-04-02 2026-06-11
 
Source    
Realtor.com 2020-04-02 2026-06-11
 
Release    
Market Hotness Index 2020-04-02 2026-06-11
 
Units    
Percent Change from Year Ago 2020-04-02 2026-06-11
 
Frequency    
Monthly 2020-04-02 2026-06-11
 
Seasonal Adjustment    
Not Seasonally Adjusted 2020-04-02 2026-06-11
 
Notes    
The percent change in days in the median number of days on market for listings in a given geography from the same month in the previous year.

2020-04-02 2021-12-01
The percent change in days in the median number of days on market for listings in a given geography from the same month in the previous year.

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 2026-06-11

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Change, Monthly, Not Seasonally Adjusted Days, Monthly, Not Seasonally Adjusted Percent Change, 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