Zip Code: 18104 (Allentown, Pennsylvania) - 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 18104 Zip Code (Allentown, Pennsylvania) in February 2026 was $2,139.398. The month over month percentage change (MoM) was 1.12%, and the year over year percentage change (YoY) was 3.68%.

The chart below shows the trend of the smoothed and seasonally adjusted ZORI for the 18104 zip code (Allentown, Pennsylvania). The table below shows the trend of the smoothed and seasonally adjusted ZORI, and the MoM and YoY percentage changes for the 18104 zip code (Allentown, Pennsylvania).

You can see similar information for other Pennsylvania 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: 18104 (Allentown, Pennsylvania) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
Zip Code: 18104 (Allentown, Pennsylvania) - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
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Month ZORI ($) 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 0 NaN NaN
Nov 2017 0 NaN NaN
Dec 2017 0 NaN NaN
Jan 2018 0 NaN NaN
Feb 2018 0 NaN NaN
Mar 2018 0 NaN NaN
Apr 2018 0 NaN NaN
May 2018 0 NaN NaN
Jun 2018 0 NaN NaN
Jul 2018 0 NaN NaN
Aug 2018 0 NaN NaN
Sep 2018 0 NaN NaN
Oct 2018 0 NaN NaN
Nov 2018 0 NaN NaN
Dec 2018 0 NaN NaN
Jan 2019 0 NaN NaN
Feb 2019 0 NaN NaN
Mar 2019 0 NaN NaN
Apr 2019 0 NaN NaN
May 2019 0 NaN NaN
Jun 2019 0 NaN NaN
Jul 2019 0 NaN NaN
Aug 2019 0 NaN NaN
Sep 2019 0 NaN NaN
Oct 2019 0 NaN NaN
Nov 2019 0 NaN NaN
Dec 2019 0 NaN NaN
Jan 2020 0 NaN NaN
Feb 2020 0 NaN NaN
Mar 2020 0 NaN NaN
Apr 2020 0 NaN NaN
May 2020 0 NaN NaN
Jun 2020 0 NaN NaN
Jul 2020 0 NaN NaN
Aug 2020 0 NaN NaN
Sep 2020 0 NaN NaN
Oct 2020 1524.1286656220732 Infinity Infinity
Nov 2020 1562.0961232738925 2.49 Infinity
Dec 2020 1554.3866724863958 -0.49 Infinity
Jan 2021 1571.7190142254583 1.12 Infinity
Feb 2021 1582.5497491145265 0.69 Infinity
Mar 2021 1620.989828127615 2.43 Infinity
Apr 2021 1651.478769210805 1.88 Infinity
May 2021 1688.4861039914908 2.24 Infinity
Jun 2021 1727.6916487449532 2.32 Infinity
Jul 2021 1776.7489332429125 2.84 Infinity
Aug 2021 1810.4926433196733 1.90 Infinity
Sep 2021 1841.1630319671804 1.69 Infinity
Oct 2021 1871.4109636964404 1.64 22.79
Nov 2021 1888.5937686678762 0.92 20.90
Dec 2021 1896.442076608331 0.42 22.01
Jan 2022 1905.0077759282435 0.45 21.21
Feb 2022 1929.1981223241714 1.27 21.90
Mar 2022 1940.454182077951 0.58 19.71
Apr 2022 1942.5242662296262 0.11 17.62
May 2022 1930.0422293695842 -0.64 14.31
Jun 2022 1921.9527680711756 -0.42 11.24
Jul 2022 1898.8000479688778 -1.20 6.87
Aug 2022 1901.626764272588 0.15 5.03
Sep 2022 1903.258716925042 0.09 3.37
Oct 2022 1895.7852015925637 -0.39 1.30
Nov 2022 1870.9250508344417 -1.31 -0.94
Dec 2022 1882.6368886351138 0.63 -0.73
Jan 2023 1891.4344586293842 0.47 -0.71
Feb 2023 1915.6211035343213 1.28 -0.70
Mar 2023 1927.2788728967025 0.61 -0.68
Apr 2023 1931.8384823708261 0.24 -0.55
May 2023 1939.7932663895874 0.41 0.51
Jun 2023 1934.2069372001154 -0.29 0.64
Jul 2023 1943.4255736599664 0.48 2.35
Aug 2023 1959.2971222172832 0.82 3.03
Sep 2023 1950.498091336745 -0.45 2.48
Oct 2023 1950.5859829486221 0.01 2.89
Nov 2023 1946.2624741526508 -0.22 4.03
Dec 2023 1968.7704772852917 1.16 4.58
Jan 2024 1982.663995103067 0.71 4.82
Feb 2024 1976.3564701791092 -0.32 3.17
Mar 2024 1978.2537573874695 0.10 2.65
Apr 2024 1989.1769923018237 0.55 2.97
May 2024 1995.2555410933116 0.31 2.86
Jun 2024 2018.2528336717335 1.15 4.35
Jul 2024 2026.9176035062344 0.43 4.30
Aug 2024 2041.3811784912953 0.71 4.19
Sep 2024 2052.3840777332557 0.54 5.22
Oct 2024 2060.988150168354 0.42 5.66
Nov 2024 2078.185147044479 0.83 6.78
Dec 2024 2080.351376641303 0.10 5.67
Jan 2025 2074.9456574644933 -0.26 4.65
Feb 2025 2063.408257245775 -0.56 4.41
Mar 2025 2065.960027129487 0.12 4.43
Apr 2025 2067.521206363512 0.08 3.94
May 2025 2074.5406074318694 0.34 3.97
Jun 2025 2074.4901573114307 0.00 2.79
Jul 2025 2081.3210364185784 0.33 2.68
Aug 2025 2075.570774117606 -0.28 1.68
Sep 2025 2085.2600278667915 0.47 1.60
Oct 2025 2094.5105234695193 0.44 1.63
Nov 2025 2103.8102951309374 0.44 1.23
Dec 2025 2104.020460277207 0.01 1.14
Jan 2026 2115.7565220119827 0.56 1.97
Feb 2026 2139.398412698413 1.12 3.68