Zip Code: 20850 (Rockville, Maryland) - 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 20850 Zip Code (Rockville, Maryland) in February 2026 was $2,336.083. The month over month percentage change (MoM) was -0.72%, and the year over year percentage change (YoY) was -0.25%.

The chart below shows the trend of the smoothed and seasonally adjusted ZORI for the 20850 zip code (Rockville, Maryland). The table below shows the trend of the smoothed and seasonally adjusted ZORI, and the MoM and YoY percentage changes for the 20850 zip code (Rockville, Maryland).

You can see similar information for other Maryland 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: 20850 (Rockville, Maryland) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
Zip Code: 20850 (Rockville, Maryland) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
1 – 10 of 134
Month ZORI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 1747.0811903483022 NaN NaN
Feb 2015 1749.084731466346 0.12 NaN
Mar 2015 1761.4085464608384 0.71 NaN
Apr 2015 1770.5124872277577 0.52 NaN
May 2015 1761.1471592329922 -0.53 NaN
Jun 2015 1754.5073304757677 -0.38 NaN
Jul 2015 1761.5629170863554 0.40 NaN
Aug 2015 1768.0710717082356 0.37 NaN
Sep 2015 1774.9963579062696 0.39 NaN
Oct 2015 1766.805686221743 -0.46 NaN
Nov 2015 1774.1038677356803 0.41 NaN
Dec 2015 1789.4322154336237 0.86 NaN
Jan 2016 1795.6083808872302 0.35 2.78
Feb 2016 1800.7236101932206 0.28 2.95
Mar 2016 1787.084890284574 -0.76 1.46
Apr 2016 1793.4088971958633 0.35 1.29
May 2016 1782.9695895365203 -0.58 1.24
Jun 2016 1787.6515646768905 0.26 1.89
Jul 2016 1786.5926475568058 -0.06 1.42
Aug 2016 1790.901414381137 0.24 1.29
Sep 2016 1789.2519745303887 -0.09 0.80
Oct 2016 1791.54639375823 0.13 1.40
Nov 2016 1793.575512568776 0.11 1.10
Dec 2016 1807.7015686396276 0.79 1.02
Jan 2017 1812.8682724371713 0.29 0.96
Feb 2017 1814.3367449073605 0.08 0.76
Mar 2017 1810.8583286194648 -0.19 1.33
Apr 2017 1802.0119295140557 -0.49 0.48
May 2017 1814.114050160656 0.67 1.75
Jun 2017 1806.5031303484143 -0.42 1.06
Jul 2017 1813.689640430046 0.40 1.52
Aug 2017 1798.2256408013475 -0.85 0.41
Sep 2017 1803.178120042174 0.28 0.78
Oct 2017 1819.3290226981915 0.90 1.55
Nov 2017 1817.9821921834082 -0.07 1.36
Dec 2017 1810.7972619044563 -0.39 0.17
Jan 2018 1797.6905482816858 -0.72 -0.84
Feb 2018 1812.0856028019564 0.80 -0.12
Mar 2018 1823.2349107941066 0.62 0.68
Apr 2018 1836.9609967336787 0.75 1.94
May 2018 1850.973269122494 0.76 2.03
Jun 2018 1868.0293208245914 0.92 3.41
Jul 2018 1861.4775514890068 -0.35 2.64
Aug 2018 1863.2858587274761 0.10 3.62
Sep 2018 1859.2450337965736 -0.22 3.11
Oct 2018 1861.9805057851463 0.15 2.34
Nov 2018 1864.5313318545589 0.14 2.56
Dec 2018 1873.5123514700797 0.48 3.46
Jan 2019 1882.6637110998881 0.49 4.73
Feb 2019 1887.9634248156694 0.28 4.19
Mar 2019 1890.57460317264 0.14 3.69
Apr 2019 1889.7682148028232 -0.04 2.88
May 2019 1882.2584624905728 -0.40 1.69
Jun 2019 1878.7048015733278 -0.19 0.57
Jul 2019 1886.1709249122712 0.40 1.33
Aug 2019 1896.79504469497 0.56 1.80
Sep 2019 1902.84024498564 0.32 2.35
Oct 2019 1897.4105794768814 -0.28 1.90
Nov 2019 1899.6824214630926 0.12 1.89
Dec 2019 1896.6022286044526 -0.16 1.23
Jan 2020 1897.6022361929727 0.05 0.79
Feb 2020 1888.5355535648496 -0.48 0.03
Mar 2020 1884.5396786708577 -0.21 -0.32
Apr 2020 1861.1093233858116 -1.24 -1.52
May 2020 1851.9046217042824 -0.49 -1.61
Jun 2020 1834.2929341512247 -0.95 -2.36
Jul 2020 1825.2624076632728 -0.49 -3.23
Aug 2020 1826.5450903077804 0.07 -3.70
Sep 2020 1818.974557393098 -0.41 -4.41
Oct 2020 1830.3212910394031 0.62 -3.54
Nov 2020 1834.5873673517547 0.23 -3.43
Dec 2020 1834.8723332650097 0.02 -3.25
Jan 2021 1833.5755697700695 -0.07 -3.37
Feb 2021 1851.5580839279592 0.98 -1.96
Mar 2021 1865.4510469173701 0.75 -1.01
Apr 2021 1877.0670188921874 0.62 0.86
May 2021 1894.0927608667166 0.91 2.28
Jun 2021 1926.056307777128 1.69 5.00
Jul 2021 1966.9721648726675 2.12 7.76
Aug 2021 1989.2354660232477 1.13 8.91
Sep 2021 2023.4434254547987 1.72 11.24
Oct 2021 2033.483203479267 0.50 11.10
Nov 2021 2046.233974108078 0.63 11.54
Dec 2021 2066.72532201645 1.00 12.64
Jan 2022 2079.055051661739 0.60 13.39
Feb 2022 2105.2351691755307 1.26 13.70
Mar 2022 2108.194782778895 0.14 13.01
Apr 2022 2134.3555636752444 1.24 13.71
May 2022 2139.3592825896626 0.23 12.95
Jun 2022 2142.646893658372 0.15 11.25
Jul 2022 2144.1817329528044 0.07 9.01
Aug 2022 2154.9782908821053 0.50 8.33
Sep 2022 2156.005093926026 0.05 6.55
Oct 2022 2160.277982191459 0.20 6.24
Nov 2022 2166.3009816506656 0.28 5.87
Dec 2022 2162.8188303287084 -0.16 4.65
Jan 2023 2170.9785739169465 0.38 4.42
Feb 2023 2171.2655840190364 0.01 3.14
Mar 2023 2193.4759589106866 1.02 4.05
Apr 2023 2205.8861898436203 0.57 3.35
May 2023 2229.7844507731074 1.08 4.23
Jun 2023 2234.571441436394 0.22 4.29
Jul 2023 2237.384165531992 0.13 4.35
Aug 2023 2231.525593777537 -0.26 3.55
Sep 2023 2233.131547948913 0.07 3.58
Oct 2023 2241.6718317707046 0.38 3.77
Nov 2023 2265.1782849283527 1.05 4.56
Dec 2023 2284.6885137342097 0.86 5.64
Jan 2024 2300.644223178328 0.70 5.97
Feb 2024 2303.8700476957 0.14 6.11
Mar 2024 2309.3395572972763 0.24 5.28
Apr 2024 2308.4074093484146 -0.04 4.65
May 2024 2307.988717489965 -0.02 3.51
Jun 2024 2317.850334530717 0.43 3.73
Jul 2024 2323.7978920337946 0.26 3.86
Aug 2024 2331.251346299754 0.32 4.47
Sep 2024 2340.177991160796 0.38 4.79
Oct 2024 2342.3553594704144 0.09 4.49
Nov 2024 2322.4865723270887 -0.85 2.53
Dec 2024 2311.8145122355686 -0.46 1.19
Jan 2025 2318.05992750307 0.27 0.76
Feb 2025 2341.960079128911 1.03 1.65
Mar 2025 2340.125844209377 -0.08 1.33
Apr 2025 2342.5517215827435 0.10 1.48
May 2025 2342.39519975696 -0.01 1.49
Jun 2025 2342.678065083049 0.01 1.07
Jul 2025 2345.962826917373 0.14 0.95
Aug 2025 2349.9085577853525 0.17 0.80
Sep 2025 2349.655739621314 -0.01 0.41
Oct 2025 2350.2288258405374 0.02 0.34
Nov 2025 2358.622412165391 0.36 1.56
Dec 2025 2362.9254332859123 0.18 2.21
Jan 2026 2352.934853465629 -0.42 1.50
Feb 2026 2336.0833333333335 -0.72 -0.25