Middlesex County, Massachusetts - 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 Middlesex County, Massachusetts in February 2026 was $2,953.6. The month over month percentage change (MoM) was 0.05%, and the year over year percentage change (YoY) was 1.33%.

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

You can see similar information for other Massachusetts 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.
Middlesex County, MA - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
Middlesex County, MA - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
Items per page:
1 – 10 of 134
Month ZORI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 1943.3352441614256 11331.38 NaN
Feb 2015 1932.0546161502946 -0.58 NaN
Mar 2015 1946.8740224411783 0.77 NaN
Apr 2015 1965.3972278978022 0.95 NaN
May 2015 1980.9503404260715 0.79 NaN
Jun 2015 1979.4175058175517 -0.08 NaN
Jul 2015 1989.0587978972626 0.49 NaN
Aug 2015 1999.025896916505 0.50 NaN
Sep 2015 2006.2242992340477 0.36 NaN
Oct 2015 2015.7663277912097 0.48 NaN
Nov 2015 2018.7191104979354 0.15 7974.88
Dec 2015 2030.6279199097116 0.59 11844.87
Jan 2016 2034.098231296276 0.17 4.67
Feb 2016 2051.686037629863 0.87 6.19
Mar 2016 2047.7879210331953 -0.19 5.18
Apr 2016 2055.317658794725 0.37 4.58
May 2016 2057.37062236902 0.10 3.86
Jun 2016 2076.1968479291686 0.92 4.89
Jul 2016 2078.0692001900666 0.09 4.47
Aug 2016 2088.8975143525004 0.52 4.50
Sep 2016 2101.6476310023518 0.61 4.76
Oct 2016 2109.070509269084 0.35 4.63
Nov 2016 2111.671457414282 0.12 4.61
Dec 2016 2114.7584328793732 0.15 4.14
Jan 2017 2131.707038588745 0.80 4.80
Feb 2017 2136.0095321455237 0.20 4.11
Mar 2017 2142.376864408616 0.30 4.62
Apr 2017 2142.4287088270794 0.00 4.24
May 2017 2150.0464472049107 0.36 4.51
Jun 2017 2148.7583838670566 -0.06 3.50
Jul 2017 2154.876061136265 0.28 3.70
Aug 2017 2156.397568746361 0.07 3.23
Sep 2017 2162.179421243967 0.27 2.88
Oct 2017 2163.278475229108 0.05 2.57
Nov 2017 2175.200401239936 0.55 3.01
Dec 2017 2181.1026810380895 0.27 3.14
Jan 2018 2188.3789965518017 0.33 2.66
Feb 2018 2197.398492447519 0.41 2.87
Mar 2018 2207.525229603377 0.46 3.04
Apr 2018 2215.837586007143 0.38 3.43
May 2018 2221.7856802275082 0.27 3.34
Jun 2018 2226.3420236705388 0.21 3.61
Jul 2018 2233.6360297602896 0.33 3.66
Aug 2018 2238.881285725314 0.24 3.83
Sep 2018 2245.018279644206 0.27 3.83
Oct 2018 2253.4335441058583 0.38 4.17
Nov 2018 2257.179055149582 0.17 3.77
Dec 2018 2259.624424304178 0.11 3.60
Jan 2019 2258.563248192534 -0.05 3.21
Feb 2019 2266.1399794413164 0.34 3.13
Mar 2019 2270.947478739667 0.21 2.87
Apr 2019 2277.9336283650105 0.31 2.80
May 2019 2284.5420898379857 0.29 2.83
Jun 2019 2293.806233337124 0.41 3.03
Jul 2019 2300.626448928542 0.30 3.00
Aug 2019 2309.5342852538533 0.39 3.16
Sep 2019 2315.502076950302 0.26 3.14
Oct 2019 2323.350695702782 0.34 3.10
Nov 2019 2330.9747108672304 0.33 3.27
Dec 2019 2342.5823347539417 0.50 3.67
Jan 2020 2353.9542617573074 0.49 4.22
Feb 2020 2360.403034055339 0.27 4.16
Mar 2020 2365.3344523510664 0.21 4.16
Apr 2020 0 -100.00 -100.00
May 2020 2323.1011032301817 Infinity 1.69
Jun 2020 0 -100.00 -100.00
Jul 2020 0 NaN -100.00
Aug 2020 2261.88492466039 Infinity -2.06
Sep 2020 2230.3324608768985 -1.39 -3.68
Oct 2020 2208.00961562665 -1.00 -4.96
Nov 2020 2193.20836365365 -0.67 -5.91
Dec 2020 2199.4808300571835 0.29 -6.11
Jan 2021 2198.776433660314 -0.03 -6.59
Feb 2021 2212.5377110431173 0.63 -6.26
Mar 2021 2223.119827349513 0.48 -6.01
Apr 2021 2256.2877067965082 1.49 Infinity
May 2021 2284.643110056012 1.26 -1.65
Jun 2021 2317.086068000416 1.42 Infinity
Jul 2021 2345.0432152752196 1.21 Infinity
Aug 2021 2376.241379245682 1.33 5.06
Sep 2021 2417.46425278021 1.74 8.39
Oct 2021 2450.5065881511105 1.37 10.98
Nov 2021 2477.2589340512036 1.09 12.95
Dec 2021 2496.629942897855 0.78 13.51
Jan 2022 2513.555676565777 0.68 14.32
Feb 2022 2524.805929460219 0.45 14.11
Mar 2022 2529.1900088174275 0.17 13.77
Apr 2022 2541.6333368229684 0.49 12.65
May 2022 2562.653314675722 0.83 12.17
Jun 2022 2590.2291683520216 1.08 11.79
Jul 2022 2613.3548911578264 0.89 11.44
Aug 2022 2633.4570747032785 0.77 10.82
Sep 2022 2651.130221365692 0.67 9.67
Oct 2022 2669.034798672324 0.68 8.92
Nov 2022 2687.6139179968736 0.70 8.49
Dec 2022 2695.3804567344287 0.29 7.96
Jan 2023 2702.2530502075165 0.26 7.51
Feb 2023 2705.9066902507097 0.14 7.17
Mar 2023 2716.2498721019647 0.38 7.40
Apr 2023 2726.70803612264 0.39 7.28
May 2023 2738.524214745974 0.43 6.86
Jun 2023 2748.8343963339216 0.38 6.12
Jul 2023 2760.4335187541174 0.42 5.63
Aug 2023 2771.1019460638695 0.39 5.23
Sep 2023 2784.228710126601 0.47 5.02
Oct 2023 2796.663233756288 0.45 4.78
Nov 2023 2812.24113252811 0.56 4.64
Dec 2023 2819.48377128619 0.26 4.60
Jan 2024 2832.373538292685 0.46 4.82
Feb 2024 2839.4073638749173 0.25 4.93
Mar 2024 2850.5329857472475 0.39 4.94
Apr 2024 2853.682344939131 0.11 4.66
May 2024 2858.5333893840298 0.17 4.38
Jun 2024 2862.499879253675 0.14 4.14
Jul 2024 2868.407366873748 0.21 3.91
Aug 2024 2871.6079328024375 0.11 3.63
Sep 2024 2874.6891761986194 0.11 3.25
Oct 2024 2876.526335435718 0.06 2.86
Nov 2024 2884.4187211731833 0.27 2.57
Dec 2024 2895.3500408348978 0.38 2.69
Jan 2025 2907.4800845602813 0.42 2.65
Feb 2025 2914.71359807823 0.25 2.65
Mar 2025 2923.445638892785 0.30 2.56
Apr 2025 2934.317851969918 0.37 2.83
May 2025 2940.2910017034897 0.20 2.86
Jun 2025 2945.0551336423237 0.16 2.88
Jul 2025 2947.883768525698 0.10 2.77
Aug 2025 2952.906896389976 0.17 2.83
Sep 2025 2956.1190235306835 0.11 2.83
Oct 2025 2959.999265230868 0.13 2.90
Nov 2025 2956.781187416419 -0.11 2.51
Dec 2025 2956.780129989065 0.00 2.12
Jan 2026 2952.095728485555 -0.16 1.54
Feb 2026 2953.6001746629513 0.05 1.33