Zip Code: 78578 (Port Isabel, 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 78578 Zip Code in February 2026 was 24.727.

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 78578 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: 78578 - Market Hotness: Trend of Demand Score
Zip Code: 78578 - Market Hotness: Trend of Demand Score
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Month Demand Score
September 2017 21.48078725398313
October 2017 12.042047645705045
November 2017 12.771464646464647
December 2017 12.67178527646945
January 2018 12.759842256533654
February 2018 13.863036532851785
March 2018 10.27853785168035
April 2018 11.649006163861763
May 2018 14.376364628820962
June 2018 14.186000132952204
July 2018 15.206302059792085
August 2018 16.03219213081247
September 2018 19.071772761856455
October 2018 16.47812971342383
November 2018 13.736159443214172
December 2018 15.638653302492934
January 2019 13.350906095551895
February 2019 16.269486985783942
March 2019 18.78766886040873
April 2019 18.80828304991772
May 2019 14.81100363586472
June 2019 16.203859342432597
July 2019 18.58986960225411
August 2019 24.58365860005204
September 2019 23.599561657964287
October 2019 23.282984766331012
November 2019 22.94623095951048
December 2019 20.713479040722778
January 2020 20.685084414678386
February 2020 19.40265809843727
March 2020 23.64840014711291
April 2020 19.25931423482262
May 2020 20.371752762018513
June 2020 35.72447983174341
July 2020 38.79050344134251
August 2020 34.88057324840764
September 2020 27.34534191865678
October 2020 30.88210632232098
November 2020 30.651534258091633
December 2020 33.27455475224828
January 2021 37.13044299612733
February 2021 40.100999690817275
March 2021 35.48791609667123
April 2021 40.081490104772996
May 2021 25.92378752886836
June 2021 27.39875559436743
July 2021 33.5722216614515
August 2021 35.587489433643285
September 2021 33.709604005462
October 2021 32.771366750811396
November 2021 33.58806404657933
December 2021 32.159624413145536
January 2022 32.16998788946383
February 2022 38.789991285945476
March 2022 42.91064740502943
April 2022 48.3587490307573
May 2022 39.267322097378276
June 2022 40.56486654252017
July 2022 51.69028433824211
August 2022 52.994958557634796
September 2022 43.933901020150074
October 2022 38.35998984513836
November 2022 33.497044868059604
December 2022 43.02572374564904
January 2023 39.39690446539761
February 2023 42.27930604811655
March 2023 39.755167569737104
April 2023 36.596880131362894
May 2023 36.45086354913645
June 2023 29.293526455808454
July 2023 34.685407037071975
August 2023 40.19758905102873
September 2023 35.33327416348629
October 2023 27.070689802547225
November 2023 26.509386098427196
December 2023 28.36489685492053
January 2024 28.595391542332482
February 2024 25.868689706846492
March 2024 22.561849269271182
April 2024 29.063809967396363
May 2024 25.696454413892912
June 2024 22.897599723709202
July 2024 25.045297315104598
August 2024 22.797011808177363
September 2024 24.75989693136566
October 2024 19.3622742988859
November 2024 19.43124329296336
December 2024 19.542267087924788
January 2025 18.643232588699078
February 2025 20.321499183357687
March 2025 18.77103650642962
April 2025 18.258238063214527
May 2025 15.420332355816226
June 2025 18.668215253581106
July 2025 24.571557426337943
August 2025 29.650990831115053
September 2025 26.577132486388383
October 2025 23.240506329113924
November 2025 24.827836172526276
December 2025 24.091342976723695
January 2026 28.60575060063551
February 2026 27.821310283544715
March 2026 24.726854514088554