Williamson County, IL - Market Hotness: Trend of Supply Score (Realtor)
Updated on March 13, 2026.
According to data from Realtor.com, the market hotness: supply score for Williamson County, IL in February 2026 was 26.309.
The chart and table below shows the trend of the market hotness: supply score for Williamson County, IL.
You can see similar for other Illinois counties.
Note: Supply Score is an index representing the metro's median days on market ranking compared to other metros.
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Related Topics: Williamson County, Illinois - Realtor House Inventory Topic List
Data Source: Realtor.
Williamson County, IL - Market Hotness: Trend of Supply Score
Williamson County, IL - Market Hotness: Trend of Supply Score
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| Month | Supply Score |
|---|---|
| September 2017 | 25 |
| October 2017 | 26.377410468319557 |
| November 2017 | 37.53443526170799 |
| December 2017 | 37.46556473829201 |
| January 2018 | 28.512396694214875 |
| February 2018 | 24.449035812672175 |
| March 2018 | 28.305785123966942 |
| April 2018 | 27.754820936639117 |
| May 2018 | 15.633608815426998 |
| June 2018 | 15.013774104683195 |
| July 2018 | 13.567493112947659 |
| August 2018 | 19.146005509641874 |
| September 2018 | 16.8732782369146 |
| October 2018 | 28.719008264462808 |
| November 2018 | 24.104683195592287 |
| December 2018 | 28.236914600550968 |
| January 2019 | 30.785123966942145 |
| February 2019 | 17.148760330578515 |
| March 2019 | 19.696969696969695 |
| April 2019 | 20.454545454545457 |
| May 2019 | 25.344352617079892 |
| June 2019 | 23.27823691460055 |
| July 2019 | 24.586776859504134 |
| August 2019 | 28.856749311294767 |
| September 2019 | 27.823691460055095 |
| October 2019 | 23.62258953168044 |
| November 2019 | 24.104683195592287 |
| December 2019 | 35.26170798898072 |
| January 2020 | 26.30853994490358 |
| February 2020 | 22.107438016528928 |
| March 2020 | 19.490358126721762 |
| April 2020 | 15.977961432506888 |
| May 2020 | 26.65289256198347 |
| June 2020 | 36.91460055096419 |
| July 2020 | 23.07162534435262 |
| August 2020 | 11.501377410468319 |
| September 2020 | 10.743801652892563 |
| October 2020 | 14.94490358126722 |
| November 2020 | 8.7465564738292 |
| December 2020 | 11.983471074380166 |
| January 2021 | 14.53168044077135 |
| February 2021 | 22.65840220385675 |
| March 2021 | 20.316804407713498 |
| April 2021 | 26.79063360881543 |
| May 2021 | 25.68870523415978 |
| June 2021 | 33.88429752066116 |
| July 2021 | 19.97245179063361 |
| August 2021 | 11.019283746556475 |
| September 2021 | 11.501377410468319 |
| October 2021 | 31.060606060606062 |
| November 2021 | 48.209366391184574 |
| December 2021 | 33.7465564738292 |
| January 2022 | 54.61432506887053 |
| February 2022 | 40.633608815426996 |
| March 2022 | 41.942148760330575 |
| April 2022 | 26.65289256198347 |
| May 2022 | 15.909090909090908 |
| June 2022 | 7.920110192837465 |
| July 2022 | 5.991735537190083 |
| August 2022 | 16.8732782369146 |
| September 2022 | 22.65840220385675 |
| October 2022 | 30.37190082644628 |
| November 2022 | 44.55922865013774 |
| December 2022 | 52.13498622589532 |
| January 2023 | 47.176308539944905 |
| February 2023 | 46.349862258953166 |
| March 2023 | 33.81542699724518 |
| April 2023 | 54.6831955922865 |
| May 2023 | 50.55096418732782 |
| June 2023 | 46.5564738292011 |
| July 2023 | 35.60606060606061 |
| August 2023 | 53.4435261707989 |
| September 2023 | 46.90082644628099 |
| October 2023 | 43.18181818181818 |
| November 2023 | 45.59228650137741 |
| December 2023 | 30.71625344352617 |
| January 2024 | 56.8870523415978 |
| February 2024 | 74.65564738292011 |
| March 2024 | 64.87603305785123 |
| April 2024 | 46.48760330578512 |
| May 2024 | 20.798898071625345 |
| June 2024 | 20.110192837465565 |
| July 2024 | 32.5068870523416 |
| August 2024 | 49.862258953168045 |
| September 2024 | 51.72176308539945 |
| October 2024 | 59.435261707988985 |
| November 2024 | 69.76584022038568 |
| December 2024 | 74.58677685950413 |
| January 2025 | 67.90633608815428 |
| February 2025 | 54.61432506887053 |
| March 2025 | 54.75206611570248 |
| April 2025 | 44.90358126721763 |
| May 2025 | 44.0771349862259 |
| June 2025 | 28.236914600550968 |
| July 2025 | 69.28374655647383 |
| August 2025 | 72.03856749311295 |
| September 2025 | 50.34435261707989 |
| October 2025 | 66.59779614325069 |
| November 2025 | 64.6694214876033 |
| December 2025 | 66.2534435261708 |
| January 2026 | 58.7465564738292 |
| February 2026 | 30.234159779614323 |
| March 2026 | 26.30853994490358 |
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