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Market Hotness: Supply Score in Rock County, WI (SUSCCOUNTY55105)

Observations

Jan 2026: 77.15705
Updated: Feb 13, 2026 4:50 PM CST
Jan 2026:  77.15705  
Dec 2025:  88.76474  
Nov 2025:  88.33023  
Oct 2025:  86.46803  
Sep 2025:  91.99255  

Units:

Score,
Not Seasonally Adjusted

Frequency:

Monthly

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Notes

Title Release Dates
Market Hotness: Supply Score in Rock County, WI 2020-04-02 2026-02-12
 
Source    
Realtor.com 2020-04-02 2026-02-12
 
Release    
Market Hotness Index 2020-04-02 2026-02-12
 
Units    
Score 2020-04-02 2026-02-12
 
Frequency    
Monthly 2020-04-02 2026-02-12
 
Seasonal Adjustment    
Not Seasonally Adjusted 2020-04-02 2026-02-12
 
Notes    
The supply score is an index representing a zip code, county or metro's median days on market ranking compared to other zip codes, counties or metros.

2020-04-02 2021-12-01
The supply score is an index representing a zip code, county or metro's median days on market ranking compared to other zip codes, counties or metros.

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 2026-02-12

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Rock County, WI Janesville score Supplies Wisconsin Market Hotness Realtor.com County or County Equivalent Copyrighted: Citation Required Monthly United States of America Not Seasonally Adjusted