Zip Code: 78666 (San Marcos, TX) - Market Hotness: Trend of Hotness Rank (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the hotness rank for the 78666 Zip Code in February 2026 was 11,949. The year over year change (YoY) was 3,775.

You can see similar for other Texas Zip Codes.

The chart below shows the trend of the hotness rank for the 78666 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: 78666 - Market Hotness: Trend of Hotness Rank
Zip Code: 78666 - Market Hotness: Trend of Hotness Rank
Items per page:
1 – 10 of 103
Month Hotness Rank YoY Change
September 2017 4508
October 2017 5399
November 2017 5154
December 2017 5948
January 2018 6678
February 2018 4390
March 2018 3591
April 2018 3785
May 2018 5652
June 2018 6030
July 2018 6368
August 2018 6105
September 2018 6845 2,337
October 2018 8876 3,477
November 2018 9817 4,663
December 2018 8804 2,856
January 2019 8294 1,616
February 2019 8523 4,133
March 2019 8752 5,161
April 2019 8219 4,434
May 2019 8952 3,300
June 2019 9813 3,783
July 2019 6883 515
August 2019 6552 447
September 2019 7758 913
October 2019 8124 -752
November 2019 8796 -1,021
December 2019 9883 1,079
January 2020 7932 -362
February 2020 8843 320
March 2020 9677 925
April 2020 9587 1,368
May 2020 8772 -180
June 2020 8231 -1,582
July 2020 7996 1,113
August 2020 9357 2,805
September 2020 7671 -87
October 2020 8579 455
November 2020 8106 -690
December 2020 7841 -2,042
January 2021 5981 -1,951
February 2021 6228 -2,615
March 2021 2609 -7,068
April 2021 3085 -6,502
May 2021 4793 -3,979
June 2021 2007 -6,224
July 2021 3185 -4,811
August 2021 3026 -6,331
September 2021 3948 -3,723
October 2021 6598 -1,981
November 2021 8475 369
December 2021 8484 643
January 2022 7866 1,885
February 2022 6373 145
March 2022 6814 4,205
April 2022 5219 2,134
May 2022 5705 912
June 2022 4861 2,854
July 2022 6253 3,068
August 2022 7785 4,759
September 2022 10660 6,712
October 2022 10763 4,165
November 2022 10728 2,253
December 2022 11176 2,692
January 2023 10924 3,058
February 2023 10260 3,887
March 2023 9672 2,858
April 2023 9560 4,341
May 2023 9591 3,886
June 2023 9749 4,888
July 2023 10031 3,778
August 2023 10128 2,343
September 2023 10538 -122
October 2023 10250 -513
November 2023 10686 -42
December 2023 10095 -1,081
January 2024 8508 -2,416
February 2024 8235 -2,025
March 2024 7146 -2,526
April 2024 6442 -3,118
May 2024 8301 -1,290
June 2024 9353 -396
July 2024 9801 -230
August 2024 10234 106
September 2024 11527 989
October 2024 12109 1,859
November 2024 11925 1,239
December 2024 11404 1,309
January 2025 10793 2,285
February 2025 9889 1,654
March 2025 8174 1,028
April 2025 8992 2,550
May 2025 9034 733
June 2025 10134 781
July 2025 10536 735
August 2025 11996 1,762
September 2025 12838 1,311
October 2025 13133 1,024
November 2025 13258 1,333
December 2025 12941 1,537
January 2026 12380 1,587
February 2026 12024 2,135
March 2026 11949 3,775