Zip Code: 63121 (Saint Louis, MO) - Market Hotness: Trend of Hotness Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: hotness score for the 63121 Zip Code in February 2026 was 52.711.

You can see similar for other Missouri Zip Codes.

The chart and table below shows the trend of the market hotness: hotness score for the 63121 zip code.

Note: Hotness Score is an equally-weighted composite metric of a geography’s supply score and demand score.

Data Source: Realtor.
Zip Code: 63121 - Market Hotness: Trend of Hotness Score
Zip Code: 63121 - Market Hotness: Trend of Hotness Score
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Month Hotness Score
September 2017 31.118400499843798
October 2017 39.4072277166138
November 2017 36.297348484848484
December 2017 37.83147299825795
January 2018 27.84239021455785
February 2018 43.75607723294902
March 2018 39.09703220374658
April 2018 35.0058868342683
May 2018 45.41143558951965
June 2018 39.29069999335239
July 2018 40.931103506166465
August 2018 40.7639243740419
September 2018 43.73890438752219
October 2018 37.56598793363499
November 2018 41.52483391331857
December 2018 42.38627602158828
January 2019 42.72817133443163
February 2019 48.76038733603461
March 2019 48.098372012469696
April 2019 42.930608886450905
May 2019 37.469986965767994
June 2019 25.959792913332883
July 2019 16.764956424873862
August 2019 32.29247983346344
September 2019 41.05266550634951
October 2019 45.33630260779757
November 2019 45.205702382502274
December 2019 32.9137049093204
January 2020 31.972931491558533
February 2020 77.96115086899373
March 2020 63.94262596542847
April 2020 29.07080302805403
May 2020 34.12959092266348
June 2020 19.93164575978367
July 2020 13.452169205784548
August 2020 14.534235668789808
September 2020 9.365066427581711
October 2020 5.936609089384538
November 2020 3.883984867591425
December 2020 5.7000529007229765
January 2021 6.078209124397847
February 2021 54.57590435947645
March 2021 38.486092111263105
April 2021 19.53434225844005
May 2021 30.98729792147806
June 2021 13.764872830477021
July 2021 23.190673261330375
August 2021 19.099276791584483
September 2021 15.862539827036867
October 2021 21.57861521817526
November 2021 19.04566957787482
December 2021 41.81338028169014
January 2022 60.67929098315535
February 2022 41.715423876509405
March 2022 48.735955056179776
April 2022 33.93641767898682
May 2022 36.107209737827716
June 2022 29.71239395820401
July 2022 11.748633879781421
August 2022 9.5872853114586
September 2022 5.404266082117865
October 2022 17.106710671067106
November 2022 55.59810205610589
December 2022 51.600305628661175
January 2023 49.01707881159936
February 2023 32.19591680245375
March 2023 55.905077262693155
April 2023 49.92302955665025
May 2023 46.308453691546305
June 2023 48.433343186520844
July 2023 44.61843222337516
August 2023 28.55977521979516
September 2023 33.376231472441646
October 2023 44.3371228310112
November 2023 36.927109758159986
December 2023 36.98004734528239
January 2024 50.75041935199082
February 2024 51.44235272080172
March 2024 66.12379405864934
April 2024 32.03074056823475
May 2024 17.592257597684515
June 2024 23.86030046624072
July 2024 48.579311480810404
August 2024 37.91469194312796
September 2024 33.47388147107051
October 2024 42.28582404917403
November 2024 39.38755173999694
December 2024 56.91993527009324
January 2025 61.58837056504599
February 2025 63.19951861084844
March 2025 59.1740743937171
April 2025 45.48587760591796
May 2025 33.976865428478334
June 2025 30.863337204800622
July 2025 33.68535778713169
August 2025 27.454895001478853
September 2025 46.38112522686025
October 2025 54.162748643761304
November 2025 45.99492569771657
December 2025 49.87884573022983
January 2026 47.00457258002015
February 2026 47.318038613781404
March 2026 52.71091760453463