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Market Hotness: Median Listing Price in Williamson County, IL (MELIPRMMCOUNTY17199)

Observations

Apr 2026: 5.25346
Updated: May 7, 2026 5:33 PM CDT
Apr 2026:  5.25346  
Mar 2026:  9.32364  
Feb 2026:  -3.43246  
Jan 2026:  -1.39764  
Dec 2025:  1.41745  

Units:

Percent Change,
Not Seasonally Adjusted

Frequency:

Monthly

Fullscreen

Notes

Title Release Dates
Market Hotness: Median Listing Price in Williamson County, IL 2020-04-02 2026-05-07
 
Source    
Realtor.com 2020-04-02 2026-05-07
 
Release    
Market Hotness Index 2020-04-02 2026-05-07
 
Units    
Percent Change 2020-04-02 2026-05-07
 
Frequency    
Monthly 2020-04-02 2026-05-07
 
Seasonal Adjustment    
Not Seasonally Adjusted 2020-04-02 2026-05-07
 
Notes    
The percentage change in the median listing price from the previous month.

2020-04-02 2021-12-01
The percentage change in the median listing price from the previous month.

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 2026-05-07

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Percent Change from Year Ago, Monthly, Not Seasonally Adjusted U.S. Dollars, Monthly, Not Seasonally Adjusted

Related Categories

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

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