Polk County, Iowa - 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 Polk County, Iowa in February 2026 was $1,195.368. The month over month percentage change (MoM) was 0.28%, and the year over year percentage change (YoY) was 2.89%.

The chart below shows the trend of the smoothed and seasonally adjusted ZORI for Polk County, IA. The table below shows the trend of the smoothed and seasonally adjusted ZORI, and the MoM and YoY percentage changes for Polk County, IA.

You can see similar information for other Iowa counties.

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.
Polk County, IA - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
Polk County, IA - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
1 – 10 of 134
Month ZORI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 865.6772415531933 465.80 NaN
Feb 2015 864.4003879310264 -0.15 NaN
Mar 2015 861.5165829830975 -0.33 NaN
Apr 2015 860.7443758198291 -0.09 NaN
May 2015 867.6524056571625 0.80 NaN
Jun 2015 872.8391181050542 0.60 NaN
Jul 2015 877.8033689467662 0.57 NaN
Aug 2015 874.3771179158754 -0.39 NaN
Sep 2015 873.8499029759928 -0.06 NaN
Oct 2015 872.2894210048981 -0.18 NaN
Nov 2015 875.12030870372 0.33 4505.90
Dec 2015 878.4830392104685 0.38 474.17
Jan 2016 882.6992008380727 0.48 1.97
Feb 2016 886.2537332473009 0.40 2.53
Mar 2016 882.6507094569653 -0.41 2.45
Apr 2016 884.1910274377007 0.18 2.72
May 2016 883.5815827574098 -0.07 1.84
Jun 2016 881.4712735129507 -0.24 0.99
Jul 2016 881.4310280398333 0.00 0.41
Aug 2016 882.3541098647714 0.11 0.91
Sep 2016 892.08896371275 1.10 2.09
Oct 2016 899.1607129122561 0.79 3.08
Nov 2016 905.5909396158531 0.72 3.48
Dec 2016 900.0379579111459 -0.61 2.45
Jan 2017 897.5311132871491 -0.28 1.68
Feb 2017 896.6347171667059 -0.10 1.17
Mar 2017 907.0909562956334 1.17 2.77
Apr 2017 912.4900703617382 0.60 3.20
May 2017 913.6375620257004 0.13 3.40
Jun 2017 914.2127373068741 0.06 3.71
Jul 2017 916.9986608121537 0.31 4.04
Aug 2017 921.8624023787539 0.53 4.48
Sep 2017 923.9533662109012 0.23 3.57
Oct 2017 921.4040873959951 -0.28 2.47
Nov 2017 919.4307581938066 -0.21 1.53
Dec 2017 917.8707546769689 -0.17 1.98
Jan 2018 919.1905632844177 0.14 2.41
Feb 2018 924.5672411026255 0.59 3.12
Mar 2018 928.2765943706896 0.40 2.34
Apr 2018 929.8311347184706 0.17 1.90
May 2018 926.5676506853173 -0.35 1.42
Jun 2018 934.936640839241 0.90 2.27
Jul 2018 934.346998040536 -0.06 1.89
Aug 2018 938.3859626509869 0.43 1.79
Sep 2018 928.4764055833044 -1.06 0.49
Oct 2018 931.2697127741644 0.30 1.07
Nov 2018 930.4857177762325 -0.08 1.20
Dec 2018 941.1373875773028 1.15 2.54
Jan 2019 943.4613392801689 0.25 2.64
Feb 2019 945.5714893369571 0.22 2.27
Mar 2019 942.6132982544302 -0.31 1.54
Apr 2019 942.7066762798247 0.01 1.39
May 2019 948.7629141552143 0.64 2.40
Jun 2019 946.5442049144222 -0.23 1.24
Jul 2019 949.7130025154796 0.34 1.65
Aug 2019 948.437187049392 -0.13 1.07
Sep 2019 957.1498981536912 0.92 3.09
Oct 2019 959.0301711586611 0.20 2.98
Nov 2019 963.3739611358747 0.45 3.54
Dec 2019 961.057288187155 -0.24 2.12
Jan 2020 963.0908516657825 0.21 2.08
Feb 2020 962.9957320976008 -0.01 1.84
Mar 2020 964.8699510230839 0.20 2.36
Apr 2020 965.5753776456684 0.07 2.43
May 2020 965.4105464912279 -0.02 1.76
Jun 2020 966.1393855299491 0.08 2.07
Jul 2020 969.7339282982355 0.37 2.11
Aug 2020 975.7803383087773 0.62 2.88
Sep 2020 978.9337135995542 0.32 2.28
Oct 2020 984.2135975729258 0.54 2.63
Nov 2020 986.6287821787674 0.25 2.41
Dec 2020 987.6763817999281 0.11 2.77
Jan 2021 989.2845951887293 0.16 2.72
Feb 2021 994.3546060930128 0.51 3.26
Mar 2021 998.0816246311034 0.38 3.44
Apr 2021 999.87466229399 0.18 3.55
May 2021 1001.5476741643693 0.17 3.74
Jun 2021 1004.6195569020742 0.31 3.98
Jul 2021 1006.5589500772556 0.19 3.80
Aug 2021 1011.515305648036 0.49 3.66
Sep 2021 1021.4120750180033 0.98 4.34
Oct 2021 1029.1288513492302 0.76 4.56
Nov 2021 1035.7459352390988 0.64 4.98
Dec 2021 1041.7405532855962 0.58 5.47
Jan 2022 1048.4006029473169 0.64 5.98
Feb 2022 1053.845816964924 0.52 5.98
Mar 2022 1057.8719498754251 0.38 5.99
Apr 2022 1063.2584078664327 0.51 6.34
May 2022 1070.4251221648697 0.67 6.88
Jun 2022 1078.6241017064647 0.77 7.37
Jul 2022 1089.974164563345 1.05 8.29
Aug 2022 1095.8412516207798 0.54 8.34
Sep 2022 1097.9472097031435 0.19 7.49
Oct 2022 1097.0961921377152 -0.08 6.60
Nov 2022 1100.3193652380955 0.29 6.23
Dec 2022 1105.458538832812 0.47 6.12
Jan 2023 1107.2473331364815 0.16 5.61
Feb 2023 1107.7955049159373 0.05 5.12
Mar 2023 1110.4438264319247 0.24 4.97
Apr 2023 1115.6496143192908 0.47 4.93
May 2023 1118.7771435029565 0.28 4.52
Jun 2023 1121.4445160718094 0.24 3.97
Jul 2023 1121.5914376496398 0.01 2.90
Aug 2023 1123.5277406930106 0.17 2.53
Sep 2023 1122.3108747614915 -0.11 2.22
Oct 2023 1125.171034859645 0.26 2.56
Nov 2023 1126.3305959687543 0.10 2.36
Dec 2023 1131.5250634854438 0.46 2.36
Jan 2024 1137.6440013896695 0.54 2.75
Feb 2024 1144.6433682161708 0.62 3.33
Mar 2024 1144.7541673398146 0.01 3.09
Apr 2024 1147.4463553897604 0.24 2.85
May 2024 1150.6881898660808 0.28 2.85
Jun 2024 1156.6125425396265 0.52 3.14
Jul 2024 1157.2534039432971 0.06 3.18
Aug 2024 1157.3212779785053 0.01 3.01
Sep 2024 1158.6272399709294 0.11 3.24
Oct 2024 1162.5194370580243 0.34 3.32
Nov 2024 1164.7108518741888 0.19 3.41
Dec 2024 1162.2735086762204 -0.21 2.72
Jan 2025 1161.7915492855884 -0.04 2.12
Feb 2025 1161.8040139566563 0.00 1.50
Mar 2025 1165.602870965926 0.33 1.82
Apr 2025 1166.020000937745 0.04 1.62
May 2025 1166.7270960534981 0.06 1.39
Jun 2025 1165.4581567180514 -0.11 0.77
Jul 2025 1168.8563296992145 0.29 1.00
Aug 2025 1172.9027206873811 0.35 1.35
Sep 2025 1178.140411603079 0.45 1.68
Oct 2025 1180.161840539108 0.17 1.52
Nov 2025 1183.5805165250522 0.29 1.62
Dec 2025 1188.3308623309792 0.40 2.24
Jan 2026 1191.9827174778677 0.31 2.60
Feb 2026 1195.3679985949723 0.28 2.89