Cook 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 Cook County, IL in February 2026 was 96.212.
The chart and table below shows the trend of the market hotness: supply score for Cook 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: Cook County, Illinois - Realtor House Inventory Topic List
Data Source: Realtor.
Cook County, IL - Market Hotness: Trend of Supply Score
Cook County, IL - Market Hotness: Trend of Supply Score
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| Month | Supply Score |
|---|---|
| September 2017 | 89.80716253443526 |
| October 2017 | 92.14876033057851 |
| November 2017 | 94.21487603305785 |
| December 2017 | 90.84022038567493 |
| January 2018 | 82.64462809917356 |
| February 2018 | 87.39669421487604 |
| March 2018 | 94.9724517906336 |
| April 2018 | 93.04407713498622 |
| May 2018 | 90.70247933884298 |
| June 2018 | 84.64187327823691 |
| July 2018 | 84.71074380165288 |
| August 2018 | 85.74380165289256 |
| September 2018 | 87.25895316804407 |
| October 2018 | 89.80716253443526 |
| November 2018 | 93.4573002754821 |
| December 2018 | 91.52892561983471 |
| January 2019 | 86.8457300275482 |
| February 2019 | 87.74104683195593 |
| March 2019 | 94.9724517906336 |
| April 2019 | 94.42148760330579 |
| May 2019 | 90.84022038567493 |
| June 2019 | 84.91735537190083 |
| July 2019 | 85.46831955922865 |
| August 2019 | 84.57300275482093 |
| September 2019 | 86.50137741046832 |
| October 2019 | 86.43250688705234 |
| November 2019 | 86.29476584022039 |
| December 2019 | 77.06611570247934 |
| January 2020 | 71.48760330578511 |
| February 2020 | 79.20110192837465 |
| March 2020 | 95.11019283746556 |
| April 2020 | 89.60055096418733 |
| May 2020 | 75.82644628099173 |
| June 2020 | 69.49035812672176 |
| July 2020 | 85.81267217630854 |
| August 2020 | 86.8457300275482 |
| September 2020 | 84.71074380165288 |
| October 2020 | 79.26997245179064 |
| November 2020 | 75.27548209366391 |
| December 2020 | 63.56749311294766 |
| January 2021 | 58.81542699724518 |
| February 2021 | 53.58126721763086 |
| March 2021 | 73.4159779614325 |
| April 2021 | 66.94214876033058 |
| May 2021 | 60.19283746556474 |
| June 2021 | 46.28099173553719 |
| July 2021 | 48.829201101928376 |
| August 2021 | 47.38292011019284 |
| September 2021 | 53.85674931129476 |
| October 2021 | 61.22589531680441 |
| November 2021 | 67.63085399449037 |
| December 2021 | 59.435261707988985 |
| January 2022 | 51.308539944903586 |
| February 2022 | 54.61432506887053 |
| March 2022 | 66.46005509641874 |
| April 2022 | 60.88154269972452 |
| May 2022 | 51.72176308539945 |
| June 2022 | 50 |
| July 2022 | 53.71900826446281 |
| August 2022 | 60.67493112947658 |
| September 2022 | 72.03856749311295 |
| October 2022 | 80.50964187327824 |
| November 2022 | 84.366391184573 |
| December 2022 | 76.99724517906336 |
| January 2023 | 75.13774104683195 |
| February 2023 | 81.5426997245179 |
| March 2023 | 89.32506887052341 |
| April 2023 | 84.366391184573 |
| May 2023 | 71.96969696969697 |
| June 2023 | 70.52341597796143 |
| July 2023 | 70.79889807162535 |
| August 2023 | 72.10743801652893 |
| September 2023 | 77.34159779614325 |
| October 2023 | 77.96143250688705 |
| November 2023 | 83.33333333333334 |
| December 2023 | 81.47382920110194 |
| January 2024 | 78.71900826446281 |
| February 2024 | 83.67768595041323 |
| March 2024 | 90.49586776859503 |
| April 2024 | 90.15151515151516 |
| May 2024 | 80.23415977961432 |
| June 2024 | 84.84848484848484 |
| July 2024 | 85.74380165289256 |
| August 2024 | 89.73829201101928 |
| September 2024 | 85.74380165289256 |
| October 2024 | 91.66666666666666 |
| November 2024 | 92.14876033057851 |
| December 2024 | 90.35812672176309 |
| January 2025 | 88.98071625344353 |
| February 2025 | 90.0137741046832 |
| March 2025 | 94.76584022038568 |
| April 2025 | 92.56198347107438 |
| May 2025 | 86.8457300275482 |
| June 2025 | 88.1542699724518 |
| July 2025 | 88.01652892561982 |
| August 2025 | 90.97796143250689 |
| September 2025 | 90.97796143250689 |
| October 2025 | 92.69972451790633 |
| November 2025 | 91.8732782369146 |
| December 2025 | 91.59779614325069 |
| January 2026 | 88.98071625344353 |
| February 2026 | 88.29201101928375 |
| March 2026 | 96.21212121212122 |
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