Zip Code: 63303 (Saint Charles, MO) - Market Hotness: Trend of Supply Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: supply score for the 63303 Zip Code in February 2026 was 62.655.

You can see similar for other Missouri Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 63303 zip code.

Note: Supply Score is an index representing the metro's median days on market ranking compared to other metros.

Data Source: Realtor.
Zip Code: 63303 - Market Hotness: Trend of Supply Score
Zip Code: 63303 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 90.49047172758513
October 2017 87.23642470610189
November 2017 87.56313131313132
December 2017 86.857216594619
January 2018 92.35345230933761
February 2018 90.79038755382692
March 2018 93.7206202203045
April 2018 88.55876445737239
May 2018 92.26937772925764
June 2018 88.39327261849365
July 2018 75.71511590366113
August 2018 77.19724067450178
September 2018 86.78037027643926
October 2018 75.89240824534942
November 2018 72.15438152483391
December 2018 84.08506810588537
January 2019 86.02306425041186
February 2019 82.87205549069432
March 2019 82.362313820575
April 2019 95.50877674163468
May 2019 75.38588186869725
June 2019 85.12741208902037
July 2019 65.57237402529323
August 2019 67.12204007285975
September 2019 70.14117192032488
October 2019 64.98192615543506
November 2019 60.19398515818253
December 2019 54.13538829469209
January 2020 53.20217664294684
February 2020 54.089382211187385
March 2020 79.36741449062156
April 2020 82.1804957696304
May 2020 85.28665273215886
June 2020 91.45196424547434
July 2020 72.33779290078107
August 2020 69.56210191082802
September 2020 67.79688646181434
October 2020 57.655542512158306
November 2020 87.90248003362757
December 2020 78.00211602891906
January 2021 77.38736185888354
February 2021 88.72513655570442
March 2021 88.5202918376653
April 2021 86.28637951105938
May 2021 85.42725173210161
June 2021 46.43597860495579
July 2021 82.18431412132836
August 2021 89.311543157697
September 2021 87.592171142467
October 2021 81.0043274432023
November 2021 93.34970887918487
December 2021 82.1498435054773
January 2022 82.61587581195641
February 2022 99.16594049545624
March 2022 71.32156233279828
April 2022 74.69630395451021
May 2022 59.39840823970037
June 2022 73.56714256155597
July 2022 94.77632675743261
August 2022 85.55071349226694
September 2022 76.60399629036337
October 2022 93.07776931539308
November 2022 92.52476483809207
December 2022 93.72612276084557
January 2023 93.92456858210284
February 2023 94.89121058180773
March 2023 95.31406783062413
April 2023 89.14203612479474
May 2023 94.26320573679426
June 2023 96.01931224751206
July 2023 86.68993491180078
August 2023 87.95431886159703
September 2023 72.63690423360256
October 2023 89.16146679203351
November 2023 97.72535092169795
December 2023 98.63882313155224
January 2024 95.0648892027898
February 2024 92.67584527488995
March 2024 90.6485815264113
April 2024 77.5966464834653
May 2024 97.25036179450073
June 2024 88.66344327404593
July 2024 94.72903969691978
August 2024 97.12426700939835
September 2024 96.0724603732334
October 2024 86.71532846715328
November 2024 93.30062854514793
December 2024 93.95083609462897
January 2025 87.03186596583443
February 2025 88.18877331728703
March 2025 92.59514973677398
April 2025 82.98587760591796
May 2025 88.66894753991528
June 2025 80.17808749516067
July 2025 72.14371617558629
August 2025 71.45075421472937
September 2025 93.502722323049
October 2025 92.44122965641954
November 2025 83.80572671257703
December 2025 80.80622659519788
January 2026 89.26606215608773
February 2026 78.39890136521528
March 2026 62.655056272077545