Zip Code: 78578 (Port Isabel, Texas) - Trend of Zillow Home Value Index (ZHVI) for All Homes (SFR, Condo/Co-op), Smooth and Seasonally Adjusted (Zillow)
Updated on February 21, 2026.

According to data from Zillow.com, the smoothed and seasonally adjusted Zillow home value index (ZHVI) for All Homes (SFR, Condo/Co-op) in the 78578 Zip Code (Port Isabel, Texas) in January 2026 was $253,785.444. The month over month percentage change (MoM) was 0.36%, and the year over year percentage change (YoY) was -0.78%.

The chart below shows the trend of the smoothed and seasonally adjusted ZHVI for the 78578 zip code (Port Isabel, Texas). The table below shows the trend of the smoothed and seasonally adjusted ZHVI, and the MoM and YoY percentage changes for the 78578 zip code (Port Isabel, Texas).

You can see similar information for other Texas zip codes, and for Texas.

Note: Zillow Home Value Index (ZHVI) is a measure of the typical home value and market changes across a given region and housing type. It reflects the typical value for homes in the 35th to 65th percentile range.

Data Source: Zillow.
Zip Code: 78578 (Port Isabel, Texas) - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted ($)
Zip Code: 78578 (Port Isabel, Texas) - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted
Items per page:
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Month ZHVI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 145304.33053983818 0.63 0.55
Feb 2015 147123.44150384597 1.25 1.29
Mar 2015 148787.08419835623 1.13 1.73
Apr 2015 149935.46144668633 0.77 2.61
May 2015 150626.63199613025 0.46 3.21
Jun 2015 151008.12985117032 0.25 3.68
Jul 2015 151556.93848443695 0.36 3.79
Aug 2015 152394.92068521498 0.55 4.02
Sep 2015 152954.0898596061 0.37 4.24
Oct 2015 152961.97598861976 0.01 4.80
Nov 2015 152309.22741217425 -0.43 5.13
Dec 2015 152219.08680685263 -0.06 5.42
Jan 2016 153435.31636894526 0.80 5.60
Feb 2016 154897.8000100809 0.95 5.28
Mar 2016 155454.90135295357 0.36 4.48
Apr 2016 154848.8543890563 -0.39 3.28
May 2016 154158.71877575608 -0.45 2.35
Jun 2016 154083.82505904496 -0.05 2.04
Jul 2016 154244.26784951426 0.10 1.77
Aug 2016 154349.40959613412 0.07 1.28
Sep 2016 154077.68251285824 -0.18 0.74
Oct 2016 153004.79544496114 -0.70 0.03
Nov 2016 151818.98661233633 -0.77 -0.32
Dec 2016 151177.92740301287 -0.42 -0.68
Jan 2017 151954.25682477295 0.51 -0.96
Feb 2017 153139.90511292458 0.78 -1.13
Mar 2017 154424.84081635892 0.84 -0.66
Apr 2017 155134.8977928012 0.46 0.19
May 2017 155718.33969510932 0.38 1.01
Jun 2017 156205.82097639356 0.31 1.38
Jul 2017 157024.41052677436 0.52 1.80
Aug 2017 157974.77609362663 0.61 2.35
Sep 2017 158535.01876829725 0.36 2.89
Oct 2017 158419.05685831295 -0.07 3.54
Nov 2017 158324.5175741076 -0.06 4.29
Dec 2017 158555.47493197495 0.15 4.88
Jan 2018 159394.3473627889 0.53 4.90
Feb 2018 159612.10270360994 0.14 4.23
Mar 2018 159576.1203312306 -0.02 3.34
Apr 2018 158872.51858061747 -0.44 2.41
May 2018 158112.19168732304 -0.48 1.54
Jun 2018 157645.9064652532 -0.29 0.92
Jul 2018 158058.99059993317 0.26 0.66
Aug 2018 159046.6493622002 0.63 0.68
Sep 2018 160074.12451216974 0.65 0.97
Oct 2018 160697.421408343 0.39 1.44
Nov 2018 161361.17042896413 0.41 1.92
Dec 2018 162096.95988534178 0.46 2.23
Jan 2019 161123.8550943186 -0.60 1.09
Feb 2019 158612.00126675089 -1.56 -0.63
Mar 2019 154914.8739239823 -2.33 -2.92
Apr 2019 152179.22020810182 -1.77 -4.21
May 2019 150198.5877603696 -1.30 -5.00
Jun 2019 148986.26256479244 -0.81 -5.49
Jul 2019 148502.85859441466 -0.32 -6.05
Aug 2019 148674.0822300292 0.12 -6.52
Sep 2019 149318.77460043124 0.43 -6.72
Oct 2019 150157.1710340987 0.56 -6.56
Nov 2019 151044.79915926734 0.59 -6.39
Dec 2019 151856.8527794228 0.54 -6.32
Jan 2020 153091.8044114421 0.81 -4.99
Feb 2020 154270.30285225817 0.77 -2.74
Mar 2020 155537.37642025415 0.82 0.40
Apr 2020 155950.10695108536 0.27 2.48
May 2020 156043.28724353694 0.06 3.89
Jun 2020 155772.10663003367 -0.17 4.56
Jul 2020 156047.59847120804 0.18 5.08
Aug 2020 157079.6673222886 0.66 5.65
Sep 2020 158913.66637553912 1.17 6.43
Oct 2020 160788.49882932138 1.18 7.08
Nov 2020 162794.70610493922 1.25 7.78
Dec 2020 164405.43053424146 0.99 8.26
Jan 2021 166066.94427352538 1.01 8.48
Feb 2021 167529.90394344096 0.88 8.60
Mar 2021 169557.5660258316 1.21 9.01
Apr 2021 172171.38266576457 1.54 10.40
May 2021 175808.9233662509 2.11 12.67
Jun 2021 180956.03837152384 2.93 16.17
Jul 2021 187179.85661782182 3.44 19.95
Aug 2021 193173.79352770114 3.20 22.98
Sep 2021 197515.94212343858 2.25 24.29
Oct 2021 201101.3826384009 1.82 25.07
Nov 2021 204875.8352314042 1.88 25.85
Dec 2021 208588.79559784333 1.81 26.88
Jan 2022 212500.15362246078 1.88 27.96
Feb 2022 215443.5899806379 1.39 28.60
Mar 2022 218526.85462446278 1.43 28.88
Apr 2022 221771.88801053446 1.49 28.81
May 2022 225412.38336926597 1.64 28.21
Jun 2022 229372.06844728222 1.76 26.76
Jul 2022 231860.17745529246 1.09 23.87
Aug 2022 233293.5536398779 0.62 20.77
Sep 2022 233540.2011958649 0.11 18.24
Oct 2022 234608.39777189607 0.46 16.66
Nov 2022 236322.78606210815 0.73 15.35
Dec 2022 238108.61870309385 0.76 14.15
Jan 2023 239544.3194543278 0.60 12.73
Feb 2023 242751.66466192817 1.34 12.68
Mar 2023 247415.45135616057 1.92 13.22
Apr 2023 252807.89514540578 2.18 14.00
May 2023 256048.3004305775 1.28 13.59
Jun 2023 258470.17074045574 0.95 12.69
Jul 2023 259548.90846203826 0.42 11.94
Aug 2023 260217.60480940528 0.26 11.54
Sep 2023 260297.14868976898 0.03 11.46
Oct 2023 260034.16949798787 -0.10 10.84
Nov 2023 259631.07357821005 -0.15 9.86
Dec 2023 258969.4766026249 -0.25 8.76
Jan 2024 259396.67069740754 0.17 8.29
Feb 2024 260764.26262230542 0.53 7.42
Mar 2024 263002.31048929034 0.86 6.30
Apr 2024 264298.0154848769 0.49 4.55
May 2024 264716.80995145853 0.16 3.39
Jun 2024 263829.7579922522 -0.33 2.07
Jul 2024 262399.94402014435 -0.54 1.10
Aug 2024 260986.04674918138 -0.54 0.30
Sep 2024 259942.85064229983 -0.40 -0.14
Oct 2024 259266.86243556996 -0.26 -0.29
Nov 2024 258280.55440019176 -0.38 -0.52
Dec 2024 256958.87442041843 -0.51 -0.78
Jan 2025 255782.84976017533 -0.46 -1.39
Feb 2025 255093.2912610958 -0.27 -2.17
Mar 2025 254522.1297564085 -0.22 -3.22
Apr 2025 253845.69238082017 -0.27 -3.95
May 2025 253125.719318962 -0.28 -4.38
Jun 2025 252625.90094693983 -0.20 -4.25
Jul 2025 252243.12546956367 -0.15 -3.87
Aug 2025 251804.5713169014 -0.17 -3.52
Sep 2025 251496.1514053455 -0.12 -3.25
Oct 2025 251522.29495594616 0.01 -2.99
Nov 2025 251975.8371120942 0.18 -2.44
Dec 2025 252864.70485044573 0.35 -1.59
Jan 2026 253785.4439019598 0.36 -0.78