Zip Code: 18109 (Allentown, PA) - Trend of House - Median Days on Market (Realtor)

Updated on March 13, 2026.

According to data from Realtor.com, the median days on market for houses in the 18109 Zip Code in February 2026 was 30 days. The month over month percentage change (MoM) was 0.21%, and the year over year percentage change (YoY) was -0.45%.

You can see similar for other Pennsylvania Zip Codes, and for Pennsylvania.

The chart below shows the trend of the median days on market for houses in the 18109 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 18109 - Trend of House - Median Days on Market
Zip Code: 18109 Trend of House - Median Days on Market
Items per page:
1 – 10 of 116
Month Med. Days on Market MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 48
Sep 2016 46
Oct 2016 57
Nov 2016 73
Dec 2016 77
Jan 2017 84
Feb 2017 72
Mar 2017 63
Apr 2017 57
May 2017 29
Jun 2017 32
Jul 2017 55
Aug 2017 82 0.4818 0.6979
Sep 2017 52 -0.362 0.1366
Oct 2017 46 -0.1154 -0.193
Nov 2017 33 -0.2826 -0.5479
Dec 2017 47 0.4167 -0.3929
Jan 2018 51 0.0909 -0.3892
Feb 2018 41 -0.2059 -0.4336
Mar 2018 37 -0.0802 -0.4111
Apr 2018 32 -0.1409 -0.4361
May 2018 46 0.4453 0.5948
Jun 2018 18 -0.6216 -0.4444
Jul 2018 27 0.5429 -0.5091
Aug 2018 21 -0.2407 -0.7485
Sep 2018 30 0.439 -0.4327
Oct 2018 29 -0.0169 -0.3696
Nov 2018 36 0.2241 0.0758
Dec 2018 45 0.2676 -0.0374
Jan 2019 45 0.0 -0.1176
Feb 2019 52 0.1444 0.2716
Mar 2019 36 -0.2961 -0.0268
Apr 2019 32 -0.1172 0.0
May 2019 21 -0.3516 -0.5514
Jun 2019 25 0.1807 0.4
Jul 2019 30 0.2041 0.0926
Aug 2019 45 0.5254 1.1951
Sep 2019 49 0.0889 0.661
Oct 2019 65 0.3163 1.2241
Nov 2019 69 0.062 0.9296
Dec 2019 52 -0.2409 0.1556
Jan 2020 60 0.149 0.3278
Feb 2020 62 0.0335 0.199
Mar 2020 39 -0.3684 0.0759
Apr 2020 32 -0.1731 0.0078
May 2020 66 1.0388 2.1687
Jun 2020 82 0.2471 2.3469
Jul 2020 28 -0.6646 -0.0678
Aug 2020 14 -0.5091 -0.7
Sep 2020 5 -0.6296 -0.898
Oct 2020 14 1.75 -0.7868
Nov 2020 17 0.2 -0.7591
Dec 2020 21 0.2424 -0.6058
Jan 2021 31 0.4878 -0.4895
Feb 2021 19 -0.377 -0.6923
Mar 2021 40 1.0921 0.0192
Apr 2021 10 -0.7484 -0.6899
May 2021 7 -0.325 -0.8973
Jun 2021 12 0.7778 -0.8537
Jul 2021 10 -0.1875 -0.6455
Aug 2021 31 2.1795 1.2963
Sep 2021 11 -0.6452 1.2
Oct 2021 12 0.0455 -0.1636
Nov 2021 22 0.913 0.3333
Dec 2021 37 0.6818 0.8049
Jan 2022 52 0.4122 0.7131
Feb 2022 15 -0.7129 -0.2105
Mar 2022 15 -0.0333 -0.6352
Apr 2022 26 0.7586 1.55
May 2022 12 -0.549 0.7037
Jun 2022 7 -0.413 -0.4375
Jul 2022 16 1.4074 0.6667
Aug 2022 24 0.4769 -0.2258
Sep 2022 26 0.0938 1.3864
Oct 2022 20 -0.2381 0.7391
Nov 2022 36 0.775 0.6136
Dec 2022 41 0.1408 0.0946
Jan 2023 56 0.3827 0.0718
Feb 2023 33 -0.4196 1.1667
Mar 2023 40 0.2308 1.7586
Apr 2023 28 -0.2938 0.1078
May 2023 10 -0.646 -0.1304
Jun 2023 10 0.0 0.4815
Jul 2023 15 0.45 -0.1077
Aug 2023 12 -0.1724 -0.5
Sep 2023 20 0.625 -0.2571
Oct 2023 9 -0.5385 -0.55
Nov 2023 18 0.9444 -0.507
Dec 2023 30 0.6857 -0.2716
Jan 2024 24 -0.1864 -0.5714
Feb 2024 31 0.2708 -0.0615
Mar 2024 24 -0.2295 -0.4125
Apr 2024 21 -0.1064 -0.2566
May 2024 11 -0.4881 0.075
Jun 2024 9 -0.1395 -0.075
Jul 2024 8 -0.1892 -0.4828
Aug 2024 11 0.4333 -0.1042
Sep 2024 19 0.7674 -0.0256
Oct 2024 37 0.9474 3.1111
Nov 2024 12 -0.6892 -0.3429
Dec 2024 11 -0.0435 -0.6271
Jan 2025 27 1.4773 0.1354
Feb 2025 58 1.1193 0.8934
Mar 2025 55 -0.0476 1.3404
Apr 2025 17 -0.6909 -0.1905
May 2025 8 -0.5294 -0.2558
Jun 2025 5 -0.375 -0.4595
Jul 2025 14 1.75 0.8333
Aug 2025 16 0.1636 0.4884
Sep 2025 25 0.5625 0.3158
Oct 2025 19 -0.25 -0.4932
Nov 2025 31 0.6533 1.6957
Dec 2025 45 0.4516 3.0909
Jan 2026 45 0.0 0.6514
Feb 2026 25 -0.4444 -0.5671
Mar 2026 30 0.21 -0.45