St. Clair 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 St. Clair County, IL in February 2026 was 69.284.

The chart and table below shows the trend of the market hotness: supply score for St. Clair 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.

Data Source: Realtor.
St. Clair County, IL - Market Hotness: Trend of Supply Score
St. Clair County, IL - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 62.53443526170799
October 2017 60.19283746556474
November 2017 67.28650137741047
December 2017 78.85674931129476
January 2018 66.59779614325069
February 2018 59.29752066115702
March 2018 50.964187327823694
April 2018 56.12947658402204
May 2018 50.964187327823694
June 2018 34.15977961432507
July 2018 29.820936639118457
August 2018 28.030303030303028
September 2018 38.36088154269973
October 2018 54.20110192837465
November 2018 61.63911845730028
December 2018 55.16528925619835
January 2019 56.81818181818182
February 2019 47.24517906336088
March 2019 55.3030303030303
April 2019 58.1267217630854
May 2019 59.84848484848485
June 2019 49.931129476584026
July 2019 47.658402203856745
August 2019 50.55096418732782
September 2019 51.652892561983464
October 2019 53.994490358126725
November 2019 54.20110192837465
December 2019 56.68044077134986
January 2020 46.83195592286501
February 2020 38.49862258953168
March 2020 34.43526170798898
April 2020 34.29752066115703
May 2020 36.77685950413223
June 2020 40.77134986225895
July 2020 37.94765840220386
August 2020 28.37465564738292
September 2020 31.749311294765842
October 2020 26.033057851239672
November 2020 34.43526170798898
December 2020 30.991735537190085
January 2021 24.449035812672175
February 2021 32.09366391184573
March 2021 64.60055096418733
April 2021 54.82093663911846
May 2021 33.19559228650138
June 2021 25.757575757575758
July 2021 31.955922865013775
August 2021 47.38292011019284
September 2021 53.099173553719005
October 2021 57.30027548209367
November 2021 67.63085399449037
December 2021 63.42975206611571
January 2022 55.99173553719008
February 2022 64.60055096418733
March 2022 64.25619834710744
April 2022 54.6831955922865
May 2022 36.294765840220386
June 2022 21.62534435261708
July 2022 27.685950413223143
August 2022 31.68044077134986
September 2022 40.22038567493113
October 2022 47.107438016528924
November 2022 52.27272727272727
December 2022 57.438016528925615
January 2023 71.96969696969697
February 2023 51.446280991735534
March 2023 48.07162534435262
April 2023 57.5068870523416
May 2023 71.96969696969697
June 2023 65.84022038567493
July 2023 57.78236914600551
August 2023 64.87603305785123
September 2023 83.81542699724518
October 2023 70.79889807162535
November 2023 50.964187327823694
December 2023 46.76308539944903
January 2024 57.162534435261705
February 2024 63.84297520661158
March 2024 50.48209366391184
April 2024 56.473829201101935
May 2024 79.75206611570248
June 2024 67.4931129476584
July 2024 59.09090909090909
August 2024 75.13774104683195
September 2024 64.11845730027548
October 2024 80.9228650137741
November 2024 72.38292011019284
December 2024 79.82093663911846
January 2025 87.74104683195593
February 2025 78.58126721763085
March 2025 78.168044077135
April 2025 92.56198347107438
May 2025 74.3801652892562
June 2025 68.38842975206612
July 2025 74.58677685950413
August 2025 63.42975206611571
September 2025 59.29752066115702
October 2025 62.94765840220386
November 2025 70.66115702479338
December 2025 55.99173553719008
January 2026 48.829201101928376
February 2026 48.07162534435262
March 2026 69.28374655647383