Zip Code: 63304 (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 63304 Zip Code in February 2026 was 22.328.

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 63304 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: 63304 - Market Hotness: Trend of Supply Score
Zip Code: 63304 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 49.72196188691034
October 2017 53.15668346084469
November 2017 65.71338383838385
December 2017 74.99838699270921
January 2018 75.26234877347771
February 2018 77.20516738435894
March 2018 90.10032975513926
April 2018 88.55876445737239
May 2018 87.57505458515283
June 2018 71.36209532673004
July 2018 77.7942790727707
August 2018 68.15917220235053
September 2018 74.75272635049454
October 2018 69.18677727501257
November 2018 74.88136665612149
December 2018 84.73400154202004
January 2019 76.50082372322899
February 2019 67.48162900899663
March 2019 92.91998614478698
April 2019 91.80608886450905
May 2019 72.66241339095836
June 2019 70.2346533987763
July 2019 70.26407181705
August 2019 74.28441321883945
September 2019 72.02991039773093
October 2019 75.49703072553577
November 2019 77.4248144772816
December 2019 71.26818574370557
January 2020 30.27766150411609
February 2020 70.42500365123412
March 2020 77.48436925340198
April 2020 78.02434317945674
May 2020 78.70259779038518
June 2020 88.71028318185232
July 2020 84.55649215064574
August 2020 72.15764331210191
September 2020 62.85760860705844
October 2020 50.91396947845045
November 2020 71.03825136612022
December 2020 25.048492329395167
January 2021 32.511570794370456
February 2021 80.7997526538184
March 2021 47.093023255813954
April 2021 50.43073341094295
May 2021 93.44110854503465
June 2021 70.2652548848379
July 2021 52.599172302412434
August 2021 92.8336620644313
September 2021 61.17432862994994
October 2021 89.58708979444646
November 2021 92.94032023289665
December 2021 77.75821596244131
January 2022 87.33898491687768
February 2022 96.40234034607245
March 2022 94.64954521134297
April 2022 69.59162574308607
May 2022 32.11610486891386
June 2022 51.56217670184151
July 2022 41.159581365194036
August 2022 72.52841151841409
September 2022 78.88036421886856
October 2022 73.22501480917323
November 2022 87.24714892200116
December 2022 38.033788946430086
January 2023 96.95783668386409
February 2023 91.9965494105243
March 2023 47.85269917720249
April 2023 49.137931034482754
May 2023 62.63003736996263
June 2023 61.78933885111834
July 2023 25.28063390246203
August 2023 6.326475120094263
September 2023 18.478743232448743
October 2023 47.68783656722797
November 2023 41.755454084221206
December 2023 22.69191748393642
January 2024 15.432153262117065
February 2024 33.72670225718835
March 2024 99.66567962556118
April 2024 70.91755938518864
May 2024 20.875542691751086
June 2024 9.877395959247108
July 2024 58.07939383956514
August 2024 68.23841272391357
September 2024 81.87709846177871
October 2024 63.534383403764885
November 2024 69.2012877510348
December 2024 58.28773984742236
January 2025 52.48850197109067
February 2025 50.07306799621766
March 2025 54.95814274618106
April 2025 87.57565568258238
May 2025 91.1942000651678
June 2025 83.80952380952381
July 2025 82.1256764882742
August 2025 90.05471753918958
September 2025 87.94192377495463
October 2025 89.79385171790236
November 2025 76.27401232330554
December 2025 79.50657170129965
January 2026 91.14934511353948
February 2026 76.088537038533
March 2026 22.32810317916701