Zip Code: 80305 (Boulder, 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 the 80305 Zip Code (Boulder, Colorado) in February 2026 was $3,693.75. The month over month percentage change (MoM) was 0.29%, and the year over year percentage change (YoY) was 3.39%.

The chart below shows the trend of the smoothed and seasonally adjusted ZORI for the 80305 zip code (Boulder, Colorado). The table below shows the trend of the smoothed and seasonally adjusted ZORI, and the MoM and YoY percentage changes for the 80305 zip code (Boulder, Colorado).

You can see similar information for other Colorado 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: 80305 (Boulder, Colorado) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
Zip Code: 80305 (Boulder, Colorado) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
1 – 10 of 134
Month ZORI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 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 0 NaN NaN
Mar 2016 0 NaN NaN
Apr 2016 0 NaN NaN
May 2016 0 NaN NaN
Jun 2016 0 NaN NaN
Jul 2016 0 NaN NaN
Aug 2016 0 NaN NaN
Sep 2016 0 NaN NaN
Oct 2016 0 NaN NaN
Nov 2016 0 NaN NaN
Dec 2016 0 NaN NaN
Jan 2017 0 NaN NaN
Feb 2017 0 NaN NaN
Mar 2017 0 NaN NaN
Apr 2017 0 NaN NaN
May 2017 0 NaN NaN
Jun 2017 0 NaN NaN
Jul 2017 0 NaN NaN
Aug 2017 0 NaN NaN
Sep 2017 0 NaN NaN
Oct 2017 2449.573448789599 Infinity Infinity
Nov 2017 2437.0662866495745 -0.51 Infinity
Dec 2017 2405.569313611824 -1.29 Infinity
Jan 2018 2418.954126409469 0.56 Infinity
Feb 2018 2447.541162098314 1.18 Infinity
Mar 2018 2496.582387246492 2.00 Infinity
Apr 2018 2519.5413638847326 0.92 Infinity
May 2018 2533.1158057874623 0.54 Infinity
Jun 2018 2517.7752293047233 -0.61 Infinity
Jul 2018 2517.247579323568 -0.02 Infinity
Aug 2018 2555.167399585619 1.51 Infinity
Sep 2018 2563.8280825824186 0.34 Infinity
Oct 2018 2567.848673176993 0.16 4.83
Nov 2018 2526.914077127654 -1.59 3.69
Dec 2018 2569.6160708011525 1.69 6.82
Jan 2019 2586.976263526872 0.68 6.95
Feb 2019 2612.9076798113047 1.00 6.76
Mar 2019 2586.3360107761487 -1.02 3.60
Apr 2019 2592.4773428062845 0.24 2.90
May 2019 2606.8131237249722 0.55 2.91
Jun 2019 2637.559666807504 1.18 4.76
Jul 2019 2652.8481033679977 0.58 5.39
Aug 2019 2646.339957136435 -0.24 3.57
Sep 2019 2657.9614940685387 0.44 3.67
Oct 2019 2682.0287506628356 0.91 4.45
Nov 2019 2729.2703435636404 1.76 8.01
Dec 2019 2728.2488934918747 -0.04 6.17
Jan 2020 2726.546463382733 -0.06 5.40
Feb 2020 2719.555725308617 -0.26 4.08
Mar 2020 2697.837569113034 -0.80 4.31
Apr 2020 2688.412867188369 -0.35 3.70
May 2020 2685.3924677291484 -0.11 3.01
Jun 2020 2688.712470914757 0.12 1.94
Jul 2020 2691.5413760523306 0.11 1.46
Aug 2020 2685.5219432709405 -0.22 1.48
Sep 2020 2686.285155035366 0.03 1.07
Oct 2020 2705.6693261641876 0.72 0.88
Nov 2020 2746.9132784474828 1.52 0.65
Dec 2020 2779.311276535251 1.18 1.87
Jan 2021 2794.392287673849 0.54 2.49
Feb 2021 2777.9735913806303 -0.59 2.15
Mar 2021 2785.1544704198577 0.26 3.24
Apr 2021 2788.8916457317864 0.13 3.74
May 2021 2812.2670343077457 0.84 4.72
Jun 2021 2836.2765157611666 0.85 5.49
Jul 2021 2880.1196434976473 1.55 7.01
Aug 2021 2919.472932331468 1.37 8.71
Sep 2021 2965.963247917404 1.59 10.41
Oct 2021 2975.9533787674695 0.34 9.99
Nov 2021 2975.5005259833124 -0.01 8.32
Dec 2021 2935.6700881367483 -1.34 5.63
Jan 2022 2982.584911272534 1.60 6.74
Feb 2022 3042.8086355014225 2.02 9.53
Mar 2022 3122.474531797674 2.62 12.11
Apr 2022 3141.3971129098763 0.61 12.64
May 2022 3160.149010606354 0.60 12.37
Jun 2022 3170.1878216742493 0.32 11.77
Jul 2022 3162.037121838954 -0.26 9.79
Aug 2022 3150.6025195675184 -0.36 7.92
Sep 2022 3144.8251434811345 -0.18 6.03
Oct 2022 3160.750196513763 0.51 6.21
Nov 2022 3166.90959548227 0.20 6.43
Dec 2022 3199.9539849665525 1.04 9.00
Jan 2023 3188.8804595104116 -0.35 6.92
Feb 2023 3174.3884132355483 -0.45 4.32
Mar 2023 3175.8048265225607 0.05 1.71
Apr 2023 3204.2922449096563 0.90 2.00
May 2023 3252.3672782247904 1.50 2.92
Jun 2023 3253.4319364548574 0.03 2.63
Jul 2023 3302.014627590266 1.49 4.43
Aug 2023 3317.665782538455 0.47 5.30
Sep 2023 3332.8690666049606 0.46 5.98
Oct 2023 3349.9080583888676 0.51 5.99
Nov 2023 3337.7679178638787 -0.36 5.40
Dec 2023 3377.68851675219 1.20 5.55
Jan 2024 3316.652133659739 -1.81 4.01
Feb 2024 3357.270665399379 1.23 5.76
Mar 2024 3334.5128776374604 -0.68 5.00
Apr 2024 3399.2517199806325 1.94 6.08
May 2024 3407.8079905880313 0.25 4.78
Jun 2024 3440.3305359617693 0.95 5.75
Jul 2024 3479.3447804652087 1.13 5.37
Aug 2024 3509.9469420213927 0.88 5.80
Sep 2024 3571.5473182337846 1.76 7.16
Oct 2024 3574.522966184807 0.08 6.71
Nov 2024 3570.7961526464646 -0.10 6.98
Dec 2024 3557.2959628675185 -0.38 5.32
Jan 2025 3557.8841378663387 0.02 7.27
Feb 2025 3572.8246413015304 0.42 6.42
Mar 2025 3600.2057932804987 0.77 7.97
Apr 2025 3558.1416307871245 -1.17 4.67
May 2025 3552.85358398472 -0.15 4.26
Jun 2025 3556.3202028307687 0.10 3.37
Jul 2025 3535.6061814925074 -0.58 1.62
Aug 2025 3540.428301005358 0.14 0.87
Sep 2025 3522.0650320145323 -0.52 -1.38
Oct 2025 3544.5289551598116 0.64 -0.84
Nov 2025 3589.601802547108 1.27 0.53
Dec 2025 3612.790883653512 0.65 1.56
Jan 2026 3683.2201260253983 1.95 3.52
Feb 2026 3693.75 0.29 3.39