Boulder (City), Colorado - 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 Boulder (City), Colorado in February 2026 was $2,508.138. The month over month percentage change (MoM) was 0.56%, and the year over year percentage change (YoY) was 1.01%.

The chart below shows the trend of the smoothed and seasonally adjusted ZORI for Boulder (City), CO. The table below shows the trend of the smoothed and seasonally adjusted ZORI, and the MoM and YoY percentage changes for Boulder (City), CO.

You can see similar information for other Colorado cities.

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.
Boulder (City), CO - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
Boulder (City), CO - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
1 – 10 of 134
Month ZORI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 1468.9006538970268 NaN NaN
Feb 2015 1493.9214613462118 1.70 NaN
Mar 2015 1502.8278861312758 0.60 NaN
Apr 2015 1511.6319059171744 0.59 NaN
May 2015 1515.480449395982 0.26 NaN
Jun 2015 1534.8633908107786 1.28 NaN
Jul 2015 1554.8153516666157 1.30 NaN
Aug 2015 1583.2146239889978 1.83 NaN
Sep 2015 1582.260668539303 -0.06 NaN
Oct 2015 1587.0738780419745 0.30 NaN
Nov 2015 1572.7973972122456 -0.90 NaN
Dec 2015 1581.6010869049937 0.56 NaN
Jan 2016 1582.7632569694051 0.07 7.75
Feb 2016 1591.4525408497832 0.55 6.53
Mar 2016 1613.6832634302446 1.40 7.38
Apr 2016 1626.893231446752 0.82 7.63
May 2016 1626.0530799605187 -0.05 7.30
Jun 2016 1616.7402975361779 -0.57 5.33
Jul 2016 1612.342766578851 -0.27 3.70
Aug 2016 1603.8005448449157 -0.53 1.30
Sep 2016 1613.1882542661897 0.59 1.96
Oct 2016 1605.0397248196005 -0.50 1.13
Nov 2016 1632.641422338787 1.72 3.81
Dec 2016 1628.9007101565808 -0.23 2.99
Jan 2017 1658.3292863072793 1.81 4.77
Feb 2017 1662.7377344174608 0.27 4.48
Mar 2017 1679.8083019256217 1.03 4.10
Apr 2017 1681.2208566381298 0.08 3.34
May 2017 1680.838961770433 -0.02 3.37
Jun 2017 1690.4810444234015 0.57 4.56
Jul 2017 1692.0539161742001 0.09 4.94
Aug 2017 1701.6278105649374 0.57 6.10
Sep 2017 1700.6931799161841 -0.05 5.42
Oct 2017 1717.6317726468035 1.00 7.02
Nov 2017 1725.553232367938 0.46 5.69
Dec 2017 1745.4335054353446 1.15 7.15
Jan 2018 1739.4072233750587 -0.34 4.89
Feb 2018 1743.2758176122088 0.22 4.84
Mar 2018 1741.7155450570203 -0.09 3.69
Apr 2018 1750.9884492096273 0.53 4.15
May 2018 1760.3094699557935 0.53 4.73
Jun 2018 1772.8569563142617 0.71 4.87
Jul 2018 1781.4325408112798 0.48 5.28
Aug 2018 1793.8972051492628 0.70 5.42
Sep 2018 1798.6679672053363 0.27 5.76
Oct 2018 1808.4842344819365 0.55 5.29
Nov 2018 1803.6501020502162 -0.27 4.53
Dec 2018 1812.9900016834997 0.52 3.87
Jan 2019 1816.7188106228432 0.21 4.45
Feb 2019 1829.1070339615958 0.68 4.92
Mar 2019 1833.071338287708 0.22 5.25
Apr 2019 1838.3190752410828 0.29 4.99
May 2019 1847.3629583163352 0.49 4.95
Jun 2019 1849.6220040634255 0.12 4.33
Jul 2019 1857.4263228292832 0.42 4.27
Aug 2019 1858.324412377084 0.05 3.59
Sep 2019 1866.771776527699 0.46 3.79
Oct 2019 1865.5697454218334 -0.06 3.16
Nov 2019 1872.5631233713734 0.38 3.82
Dec 2019 1868.4444750917346 -0.22 3.06
Jan 2020 1874.1928441910143 0.31 3.16
Feb 2020 1873.1586274680772 -0.05 2.41
Mar 2020 1890.2104500805879 0.91 3.12
Apr 2020 1889.3872045696082 -0.04 2.78
May 2020 1883.4371248332898 -0.31 1.95
Jun 2020 1885.8235819427234 0.13 1.96
Jul 2020 1895.5328012411487 0.52 2.05
Aug 2020 1902.2554894833129 0.36 2.36
Sep 2020 1911.2404327545098 0.47 2.38
Oct 2020 1920.430946434068 0.48 2.94
Nov 2020 1931.9689512221482 0.60 3.17
Dec 2020 1926.6868224236302 -0.27 3.12
Jan 2021 1940.4721540402543 0.72 3.54
Feb 2021 1952.4678349079338 0.62 4.23
Mar 2021 1973.9552948119926 1.10 4.43
Apr 2021 1983.6935214546606 0.49 4.99
May 2021 2000.1904691536977 0.83 6.20
Jun 2021 2019.2915235959797 0.96 7.08
Jul 2021 2034.0595917871044 0.73 7.31
Aug 2021 2059.328064935515 1.24 8.26
Sep 2021 2076.029802049685 0.81 8.62
Oct 2021 2093.651760550422 0.85 9.02
Nov 2021 2103.3275841737236 0.46 8.87
Dec 2021 2127.5928294070204 1.15 10.43
Jan 2022 2142.843023676032 0.72 10.43
Feb 2022 2160.3252913960564 0.82 10.65
Mar 2022 2176.012525177883 0.73 10.24
Apr 2022 2195.0284274805313 0.87 10.65
May 2022 2206.2683669439593 0.51 10.30
Jun 2022 2213.0071498383127 0.31 9.59
Jul 2022 2219.3892657947254 0.29 9.11
Aug 2022 2232.689555637899 0.60 8.42
Sep 2022 2247.210035245169 0.65 8.25
Oct 2022 2260.4086244779114 0.59 7.97
Nov 2022 2255.1215163401985 -0.23 7.22
Dec 2022 2252.8895433609614 -0.10 5.89
Jan 2023 2255.695245696735 0.13 5.27
Feb 2023 2276.0036362826345 0.90 5.36
Mar 2023 2284.107173914248 0.36 4.97
Apr 2023 2297.864191867029 0.60 4.68
May 2023 2311.33070520707 0.59 4.76
Jun 2023 2320.2075225919875 0.38 4.84
Jul 2023 2334.6585354933964 0.62 5.19
Aug 2023 2339.864936510523 0.22 4.80
Sep 2023 2367.365282688996 1.18 5.35
Oct 2023 2366.2293796568333 -0.05 4.68
Nov 2023 2383.5395696599185 0.73 5.70
Dec 2023 2386.256232761296 0.11 5.92
Jan 2024 2397.72382637293 0.48 6.30
Feb 2024 2389.4604534962336 -0.34 4.99
Mar 2024 2390.223840462864 0.03 4.65
Apr 2024 2400.4576336564496 0.43 4.47
May 2024 2411.0646095822226 0.44 4.32
Jun 2024 2421.940918964089 0.45 4.39
Jul 2024 2435.6018930520077 0.56 4.32
Aug 2024 2450.8581431319276 0.63 4.74
Sep 2024 2451.682632925695 0.03 3.56
Oct 2024 2452.576666497668 0.04 3.65
Nov 2024 2460.298448507135 0.32 3.22
Dec 2024 2482.988862634098 0.92 4.05
Jan 2025 2486.5177190570375 0.14 3.70
Feb 2025 2482.940570639377 -0.14 3.91
Mar 2025 2492.5702956813834 0.39 4.28
Apr 2025 2490.9289079429955 -0.07 3.77
May 2025 2490.118702063149 -0.03 3.28
Jun 2025 2491.932723577602 0.07 2.89
Jul 2025 2488.7002485434114 -0.13 2.18
Aug 2025 2486.7536077323475 -0.08 1.47
Sep 2025 2484.4054737717606 -0.09 1.34
Oct 2025 2495.757151833747 0.46 1.76
Nov 2025 2496.3188647547295 0.02 1.46
Dec 2025 2490.810577541093 -0.22 0.32
Jan 2026 2494.227622195742 0.14 0.31
Feb 2026 2508.137552975862 0.56 1.01