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

According to data from Realtor.com, the hotness rank for the 63121 Zip Code in February 2026 was 5,321. The year over year change (YoY) was 1,372.

You can see similar for other Missouri Zip Codes.

The chart below shows the trend of the hotness rank for the 63121 zip code. The table below shows the trend, and the YoY changes.

Note: Hotness rank refers to the rank by hotness score. A rank value of 1 is considered the hottest (highest Hotness score).

Data Source: Realtor.
Zip Code: 63121 - Market Hotness: Trend of Hotness Rank
Zip Code: 63121 - Market Hotness: Trend of Hotness Rank
Items per page:
1 – 10 of 103
Month Hotness Rank YoY Change
September 2017 11658
October 2017 10117
November 2017 10590
December 2017 10060
January 2018 11436
February 2018 8419
March 2018 9124
April 2018 9825
May 2018 8253
June 2018 9527
July 2018 9577
August 2018 9789
September 2018 9333 -2,325
October 2018 10538 421
November 2018 9805 -785
December 2018 9509 -551
January 2019 9224 -2,212
February 2019 7751 -668
March 2019 7846 -1,278
April 2019 8801 -1,024
May 2019 9679 1,426
June 2019 11794 2,267
July 2019 13554 3,977
August 2019 11239 1,450
September 2019 9626 293
October 2019 8869 -1,669
November 2019 8843 -962
December 2019 10780 1,271
January 2020 10480 1,256
February 2020 2043 -5,708
March 2020 4354 -3,492
April 2020 10206 1,405
May 2020 9396 -283
June 2020 11416 -378
July 2020 11938 -1,616
August 2020 11540 301
September 2020 11760 2,134
October 2020 11685 2,816
November 2020 11777 2,934
December 2020 11122 342
January 2021 10346 -134
February 2021 4259 2,216
March 2021 5808 1,454
April 2021 7427 -2,779
May 2021 6487 -2,909
June 2021 8386 -3,030
July 2021 8270 -3,668
August 2021 9344 -2,196
September 2021 9990 -1,770
October 2021 9597 -2,088
November 2021 9797 -1,980
December 2021 6439 -4,683
January 2022 3043 -7,303
February 2022 5009 750
March 2022 3915 -1,893
April 2022 5633 -1,794
May 2022 5992 -495
June 2022 7596 -790
July 2022 10180 1,910
August 2022 11214 1,870
September 2022 11625 1,635
October 2022 10818 1,221
November 2022 4792 -5,005
December 2022 5511 -928
January 2023 5685 2,642
February 2023 7924 2,915
March 2023 4001 86
April 2023 4797 -836
May 2023 5386 -606
June 2023 5218 -2,378
July 2023 6075 -4,105
August 2023 8722 -2,492
September 2023 8254 -3,371
October 2023 6724 -4,094
November 2023 8101 3,309
December 2023 8059 2,548
January 2024 5427 -258
February 2024 5019 -2,905
March 2024 2643 -1,358
April 2024 8059 3,262
May 2024 9994 4,608
June 2024 9706 4,488
July 2024 6146 71
August 2024 8268 -454
September 2024 9239 985
October 2024 7727 1,003
November 2024 8240 139
December 2024 5005 -3,054
January 2025 3905 -1,522
February 2025 3390 -1,629
March 2025 3949 1,306
April 2025 6480 -1,579
May 2025 8748 -1,246
June 2025 9684 -22
July 2025 9466 3,320
August 2025 10821 2,553
September 2025 7226 -2,013
October 2025 5836 -1,891
November 2025 7332 -908
December 2025 6470 1,465
January 2026 6716 2,811
February 2026 6445 3,055
March 2026 5321 1,372