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

According to data from Realtor.com, the market hotness: demand score for the 78666 Zip Code in February 2026 was 7.492.

You can see similar for other Texas Zip Codes.

The chart and table below shows the trend of the market hotness: demand score for the 78666 zip code.

Note: Demand Score is an index representing the metro's unique listing page viewers compared to other metros.

Data Source: Realtor.
Zip Code: 78666 - Market Hotness: Trend of Demand Score
Zip Code: 78666 - Market Hotness: Trend of Demand Score
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Month Demand Score
September 2017 73.08965948141206
October 2017 70.18100391864154
November 2017 75.64393939393939
December 2017 74.1080069681915
January 2018 68.2307332397567
February 2018 82.56702319766634
March 2018 68.28036202904651
April 2018 63.18997160468176
May 2018 59.313591703056765
June 2018 61.510337033836336
July 2018 65.42261251372119
August 2018 63.36867654573326
September 2018 50.63403499873193
October 2018 53.601055806938156
November 2018 51.800063271116734
December 2018 49.51169365201748
January 2019 52.316309719934104
February 2019 51.521186731680515
March 2019 46.01316245237271
April 2019 43.49972572682392
May 2019 44.974960554297866
June 2019 51.818731930343574
July 2019 55.33713387065068
August 2019 57.42909185532137
September 2019 55.67588474182943
October 2019 54.72501936483346
November 2019 52.11560994662153
December 2019 32.13312960871587
January 2020 38.34937909864657
February 2020 36.767927559515115
March 2020 37.85215152629643
April 2020 37.58349413685617
May 2020 41.63929531203344
June 2020 36.993915721475254
July 2020 36.26943005181347
August 2020 38.1687898089172
September 2020 32.60249409079795
October 2020 20.409190005031025
November 2020 25.43085329970576
December 2020 30.365014988538174
January 2021 30.159629734580147
February 2021 25.00257652272493
March 2021 59.3251253989968
April 2021 59.19674039580908
May 2021 49.18013856812933
June 2021 55.65986246043009
July 2021 55.77874230342182
August 2021 53.98703860242322
September 2021 47.664997724169325
October 2021 34.41218896501984
November 2021 44.52328966521107
December 2021 36.31651017214397
January 2022 32.225035781129584
February 2022 35.09274243744554
March 2022 16.15837346174425
April 2022 24.06306539157405
May 2022 32.46722846441947
June 2022 29.53651975998345
July 2022 19.820320459386867
August 2022 16.440229001110826
September 2022 13.498018716802967
October 2022 11.948887196411949
November 2022 13.785066178306835
December 2022 9.56787503183632
January 2023 6.52908735100516
February 2023 6.508195150004791
March 2023 7.656030503712623
April 2023 7.142857142857142
May 2023 8.352691647308353
June 2023 10.414819194009262
July 2023 8.650127346476747
August 2023 9.680050756820448
September 2023 10.339930771278956
October 2023 16.197965638088725
November 2023 12.67546084897683
December 2023 14.093676022996279
January 2024 17.39207204025779
February 2024 14.086353844712935
March 2024 13.325054924061517
April 2024 16.63716814159292
May 2024 11.685962373371925
June 2024 11.6905543084096
July 2024 9.759512436171965
August 2024 11.896537874528075
September 2024 9.455766377762162
October 2024 8.175182481751825
November 2024 10.263682354744748
December 2024 9.90213454573476
January 2025 10.422141918528252
February 2025 16.61652196338004
March 2025 17.416069733321827
April 2025 15.643913920645595
May 2025 18.043336591723687
June 2025 13.859852884243129
July 2025 11.229705351773903
August 2025 12.710736468500444
September 2025 12.660617059891107
October 2025 13.873417721518988
November 2025 12.953968829285973
December 2025 14.949702621337838
January 2026 11.012942726497714
February 2026 12.521205266984408
March 2026 7.4919904707138745