Island County, Washington - Trend of Zillow Home Value Index (ZHVI) for All Homes (SFR, Condo/Co-op), Smooth and Seasonally Adjusted (Zillow)

Updated on March 22, 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 Island County, Washington in February 2026 was $625,214.537. The month over month percentage change (MoM) was 0.32%, and the year over year percentage change (YoY) was 0.55%.

The chart below shows the trend of the smoothed and seasonally adjusted ZHVI for Island County, WA. The table below shows the trend of the smoothed and seasonally adjusted ZHVI, and the MoM and YoY percentage changes for Island County, WA.

You can see similar information for other Washington counties, and for Washington.

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.
Island County, WA - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted ($)
Island County, WA - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted
1 – 10 of 134
Month ZHVI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 281469.16259491094 0.28 4.77
Feb 2015 282605.3867454622 0.40 4.72
Mar 2015 284249.4644498641 0.58 4.74
Apr 2015 286019.08535081445 0.62 4.94
May 2015 287896.0850673277 0.66 5.25
Jun 2015 289952.04413517046 0.71 5.68
Jul 2015 292783.64720393345 0.98 6.26
Aug 2015 295548.22304450936 0.94 6.67
Sep 2015 298476.0519585451 0.99 7.09
Oct 2015 301294.6343347318 0.94 7.76
Nov 2015 304597.96861402364 1.10 8.68
Dec 2015 307753.8843815951 1.04 9.64
Jan 2016 311090.22985944845 1.08 10.52
Feb 2016 313934.74851825106 0.91 11.09
Mar 2016 316931.0403198514 0.95 11.50
Apr 2016 319918.10437310167 0.94 11.85
May 2016 323358.3750475624 1.08 12.32
Jun 2016 327043.58267690806 1.14 12.79
Jul 2016 330419.58437680703 1.03 12.86
Aug 2016 333415.95484282053 0.91 12.81
Sep 2016 336147.9472626419 0.82 12.62
Oct 2016 338510.0035608282 0.70 12.35
Nov 2016 340853.0883659059 0.69 11.90
Dec 2016 343367.70705627365 0.74 11.57
Jan 2017 346294.51549561694 0.85 11.32
Feb 2017 349280.01247977815 0.86 11.26
Mar 2017 352265.91341535543 0.86 11.15
Apr 2017 355586.25180413265 0.94 11.15
May 2017 358691.93975596066 0.87 10.93
Jun 2017 361538.89702717494 0.79 10.55
Jul 2017 364010.15402024053 0.68 10.17
Aug 2017 366544.90863937995 0.70 9.94
Sep 2017 368661.64820049034 0.58 9.67
Oct 2017 370194.2107119201 0.42 9.36
Nov 2017 371796.90950977075 0.43 9.08
Dec 2017 373300.8720271171 0.41 8.72
Jan 2018 375396.92498779856 0.56 8.40
Feb 2018 377484.50104887405 0.56 8.07
Mar 2018 380598.78368054255 0.83 8.04
Apr 2018 384262.35880243365 0.96 8.06
May 2018 388604.39450684964 1.13 8.34
Jun 2018 392429.54693885194 0.98 8.54
Jul 2018 395999.4986958839 0.91 8.79
Aug 2018 398991.02555691777 0.76 8.85
Sep 2018 401373.08708671405 0.60 8.87
Oct 2018 402259.09567599517 0.22 8.66
Nov 2018 402041.27623869124 -0.05 8.14
Dec 2018 401686.90066779405 -0.09 7.60
Jan 2019 401471.8836930753 -0.05 6.95
Feb 2019 401741.73934498924 0.07 6.43
Mar 2019 403065.0562209571 0.33 5.90
Apr 2019 405173.4139941824 0.52 5.44
May 2019 406800.95204672706 0.40 4.68
Jun 2019 407735.714870088 0.23 3.90
Jul 2019 408839.1921553742 0.27 3.24
Aug 2019 411065.8452709347 0.55 3.03
Sep 2019 413359.11814962287 0.56 2.99
Oct 2019 415844.4508074009 0.60 3.38
Nov 2019 418527.9581875368 0.65 4.10
Dec 2019 421772.9049584293 0.78 5.00
Jan 2020 424985.9772391091 0.76 5.86
Feb 2020 427961.45868231467 0.70 6.53
Mar 2020 431024.0362891483 0.72 6.94
Apr 2020 434022.9278220961 0.70 7.12
May 2020 436589.20757625444 0.59 7.32
Jun 2020 438859.1271351087 0.52 7.63
Jul 2020 441802.5941137127 0.67 8.06
Aug 2020 446945.55250991933 1.16 8.73
Sep 2020 454876.4517365775 1.77 10.04
Oct 2020 464615.6845826663 2.14 11.73
Nov 2020 474932.81085694075 2.22 13.48
Dec 2020 484736.73447701475 2.06 14.93
Jan 2021 493666.9167649182 1.84 16.16
Feb 2021 503340.1336280042 1.96 17.61
Mar 2021 513365.91309138946 1.99 19.10
Apr 2021 525417.2776934784 2.35 21.06
May 2021 538860.1459230164 2.56 23.43
Jun 2021 552102.3562421812 2.46 25.80
Jul 2021 563796.7490341243 2.12 27.61
Aug 2021 570925.0716340883 1.26 27.74
Sep 2021 575429.7689893212 0.79 26.50
Oct 2021 577311.9428743402 0.33 24.26
Nov 2021 578761.325169504 0.25 21.86
Dec 2021 580903.8548714464 0.37 19.84
Jan 2022 586767.3657010344 1.01 18.86
Feb 2022 595586.3048459013 1.50 18.33
Mar 2022 607626.6618766851 2.02 18.36
Apr 2022 620001.5926879881 2.04 18.00
May 2022 630858.9980586427 1.75 17.07
Jun 2022 637427.2720828785 1.04 15.46
Jul 2022 635951.417312188 -0.23 12.80
Aug 2022 628366.0260236682 -1.19 10.06
Sep 2022 617413.6470223865 -1.74 7.30
Oct 2022 609718.8270021653 -1.25 5.61
Nov 2022 604667.2664831462 -0.83 4.48
Dec 2022 600858.3735520057 -0.63 3.44
Jan 2023 595678.5465181239 -0.86 1.52
Feb 2023 592088.7279306389 -0.60 -0.59
Mar 2023 590982.4224772641 -0.19 -2.74
Apr 2023 592888.0335679213 0.32 -4.37
May 2023 596182.8022921436 0.56 -5.50
Jun 2023 599657.2820584228 0.58 -5.92
Jul 2023 601820.6413018153 0.36 -5.37
Aug 2023 602179.8021249594 0.06 -4.17
Sep 2023 601404.6846576008 -0.13 -2.59
Oct 2023 600225.3262155862 -0.20 -1.56
Nov 2023 599507.2367723559 -0.12 -0.85
Dec 2023 598663.8309157781 -0.14 -0.36
Jan 2024 597618.8266222375 -0.17 0.33
Feb 2024 596866.7257006839 -0.13 0.81
Mar 2024 598442.1884596 0.26 1.26
Apr 2024 601903.4022185174 0.58 1.52
May 2024 605197.9109226218 0.55 1.51
Jun 2024 606608.2204568925 0.23 1.16
Jul 2024 607157.2657650566 0.09 0.89
Aug 2024 608576.4409181745 0.23 1.06
Sep 2024 611554.124512087 0.49 1.69
Oct 2024 615082.1544365803 0.58 2.48
Nov 2024 618160.8536231086 0.50 3.11
Dec 2024 620362.9002346167 0.36 3.63
Jan 2025 621288.4106678867 0.15 3.96
Feb 2025 621783.1839056754 0.08 4.18
Mar 2025 620694.5821513981 -0.17 3.72
Apr 2025 619689.8193095131 -0.16 2.96
May 2025 617900.3096534193 -0.29 2.10
Jun 2025 617081.5933465776 -0.13 1.73
Jul 2025 616319.5415759453 -0.12 1.51
Aug 2025 616265.0033737803 -0.01 1.26
Sep 2025 616613.9424645026 0.06 0.83
Oct 2025 617557.2112733634 0.15 0.40
Nov 2025 619046.813712746 0.24 0.14
Dec 2025 620825.1725012786 0.29 0.08
Jan 2026 623246.6285631037 0.39 0.32
Feb 2026 625214.5369300205 0.32 0.55