Zip Code: 04101 (Portland, Maine) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted (Zillow)

Updated on March 22, 2026.

According to data from Zillow.com, the smoothed and seasonally adjusted Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily in the 04101 Zip Code (Portland, Maine) in February 2026 was $2,243.597. The month over month percentage change (MoM) was 0.01%, and the year over year percentage change (YoY) was 3.26%.

The chart below shows the trend of the smoothed and seasonally adjusted ZORI for the 04101 zip code (Portland, Maine). The table below shows the trend of the smoothed and seasonally adjusted ZORI, and the MoM and YoY percentage changes for the 04101 zip code (Portland, Maine).

You can see similar information for other Maine zip codes.

Note: Zillow Observed Rent Index (ZORI) is a smoothed measure of the typical observed market rate rent across a given region. ZORI is a repeat-rent index that is weighted to the rental housing stock to ensure representativeness across the entire market, not just homes currently listed for-rent.

Data Source: Zillow.
Zip Code: 04101 (Portland, Maine) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
Zip Code: 04101 (Portland, Maine) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
Items per page:
1 – 10 of 134
Month ZORI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 0 NaN NaN
Feb 2015 0 NaN NaN
Mar 2015 0 NaN NaN
Apr 2015 0 NaN NaN
May 2015 0 NaN NaN
Jun 2015 0 NaN NaN
Jul 2015 0 NaN NaN
Aug 2015 0 NaN NaN
Sep 2015 0 NaN NaN
Oct 2015 0 NaN NaN
Nov 2015 0 NaN NaN
Dec 2015 0 NaN NaN
Jan 2016 0 NaN NaN
Feb 2016 1221.1878188319185 Infinity Infinity
Mar 2016 1287.5624564945513 5.44 Infinity
Apr 2016 1308.042547895898 1.59 Infinity
May 2016 1313.4324527180768 0.41 Infinity
Jun 2016 1277.2548494284297 -2.75 Infinity
Jul 2016 1266.8664102658415 -0.81 Infinity
Aug 2016 1275.5139439987113 0.68 Infinity
Sep 2016 1281.471688996899 0.47 Infinity
Oct 2016 1295.0891649629798 1.06 Infinity
Nov 2016 1271.0219058442442 -1.86 Infinity
Dec 2016 1294.9298708514498 1.88 Infinity
Jan 2017 1304.7748233684135 0.76 Infinity
Feb 2017 1317.4845679579691 0.97 7.89
Mar 2017 1285.1080979877454 -2.46 -0.19
Apr 2017 1266.088559171141 -1.48 -3.21
May 2017 1285.3124518338602 1.52 -2.14
Jun 2017 1297.8067200810283 0.97 1.61
Jul 2017 1317.2603424932843 1.50 3.98
Aug 2017 1329.5117973140752 0.93 4.23
Sep 2017 1336.9231140266932 0.56 4.33
Oct 2017 1346.5183642759705 0.72 3.97
Nov 2017 1362.0217862615052 1.15 7.16
Dec 2017 1367.4826301509004 0.40 5.60
Jan 2018 1357.1499023883446 -0.76 4.01
Feb 2018 1375.311225392412 1.34 4.39
Mar 2018 1379.3660336784121 0.30 7.34
Apr 2018 1396.822266957557 1.27 10.33
May 2018 1386.3907357491662 -0.75 7.86
Jun 2018 1395.237012809879 0.64 7.51
Jul 2018 1386.1801891461637 -0.65 5.23
Aug 2018 1389.4809691180249 0.24 4.51
Sep 2018 1404.6304812798169 1.09 5.06
Oct 2018 1424.588920818971 1.42 5.80
Nov 2018 1426.7501040100728 0.15 4.75
Dec 2018 1430.0850692438075 0.23 4.58
Jan 2019 1431.1696593463048 0.08 5.45
Feb 2019 1435.4239583462654 0.30 4.37
Mar 2019 1450.2366036569344 1.03 5.14
Apr 2019 1457.4065253726071 0.49 4.34
May 2019 1469.5515681682857 0.83 6.00
Jun 2019 1478.2058427534232 0.59 5.95
Jul 2019 1492.4909583350134 0.97 7.67
Aug 2019 1496.7371681008794 0.28 7.72
Sep 2019 1495.087986062005 -0.11 6.44
Oct 2019 1486.2104306218475 -0.59 4.33
Nov 2019 1496.986801319176 0.73 4.92
Dec 2019 1501.6523218600914 0.31 5.00
Jan 2020 1519.0931754637536 1.16 6.14
Feb 2020 1518.7238423716174 -0.02 5.80
Mar 2020 1550.8627632121859 2.12 6.94
Apr 2020 1543.76384663606 -0.46 5.93
May 2020 1547.7637602339578 0.26 5.32
Jun 2020 1550.4439208018564 0.17 4.89
Jul 2020 1565.4487569823596 0.97 4.89
Aug 2020 1584.902358846086 1.24 5.89
Sep 2020 1590.9794558295523 0.38 6.41
Oct 2020 1603.8103023950114 0.81 7.91
Nov 2020 1621.666215960394 1.11 8.33
Dec 2020 1630.8899823066247 0.57 8.61
Jan 2021 1656.0635148747247 1.54 9.02
Feb 2021 1663.3034308752106 0.44 9.52
Mar 2021 1669.418820271765 0.37 7.65
Apr 2021 1662.1979330310282 -0.43 7.67
May 2021 1667.777821111882 0.34 7.75
Jun 2021 1696.4128904579431 1.72 9.41
Jul 2021 1722.235810638306 1.52 10.02
Aug 2021 1736.8747805372384 0.85 9.59
Sep 2021 1767.3774164684878 1.76 11.09
Oct 2021 1770.903276904999 0.20 10.42
Nov 2021 1793.377003087722 1.27 10.59
Dec 2021 1806.609575522042 0.74 10.77
Jan 2022 1807.9872631496692 0.08 9.17
Feb 2022 1829.3625550705851 1.18 9.98
Mar 2022 1831.434068593522 0.11 9.71
Apr 2022 1873.0099358351906 2.27 12.68
May 2022 1890.554399555296 0.94 13.36
Jun 2022 1899.3308222260757 0.46 11.96
Jul 2022 1898.5341709225454 -0.04 10.24
Aug 2022 1916.054732654337 0.92 10.32
Sep 2022 1919.1746056527322 0.16 8.59
Oct 2022 1948.9260619215545 1.55 10.05
Nov 2022 1952.8159646389963 0.20 8.89
Dec 2022 1972.1490244543243 0.99 9.16
Jan 2023 1976.6356439247643 0.23 9.33
Feb 2023 1954.8326096413005 -1.10 6.86
Mar 2023 1973.81347880194 0.97 7.77
Apr 2023 1983.1646483016405 0.47 5.88
May 2023 2006.1838141323105 1.16 6.12
Jun 2023 1998.8014349501452 -0.37 5.24
Jul 2023 2007.9867248714163 0.46 5.77
Aug 2023 2032.3888891749057 1.22 6.07
Sep 2023 2043.7990486120486 0.56 6.49
Oct 2023 2044.586979830579 0.04 4.91
Nov 2023 2037.9633930006316 -0.32 4.36
Dec 2023 2026.9699264449564 -0.54 2.78
Jan 2024 2041.639263391509 0.72 3.29
Feb 2024 2059.65783348394 0.88 5.36
Mar 2024 2086.2605555258233 1.29 5.70
Apr 2024 2094.989983042159 0.42 5.64
May 2024 2093.764123122163 -0.06 4.37
Jun 2024 2097.0405715679867 0.16 4.92
Jul 2024 2101.907812942053 0.23 4.68
Aug 2024 2108.4987256550603 0.31 3.75
Sep 2024 2128.9231380783463 0.97 4.17
Oct 2024 2134.725479742885 0.27 4.41
Nov 2024 2146.707628534877 0.56 5.34
Dec 2024 2147.9231891184136 0.06 5.97
Jan 2025 2154.7142108018443 0.32 5.54
Feb 2025 2172.8165567460414 0.84 5.49
Mar 2025 2162.7165930813667 -0.46 3.67
Apr 2025 2163.079340064712 0.02 3.25
May 2025 2169.133357220602 0.28 3.60
Jun 2025 2188.1294819437385 0.88 4.34
Jul 2025 2199.8184842603164 0.53 4.66
Aug 2025 2198.8725889135876 -0.04 4.29
Sep 2025 2196.117513179238 -0.12 3.16
Oct 2025 2204.9825037988107 0.40 3.29
Nov 2025 2217.485436082176 0.57 3.30
Dec 2025 2237.302313113662 0.89 4.16
Jan 2026 2243.281088847737 0.27 4.11
Feb 2026 2243.5971792225664 0.01 3.26