Zip Code: 18102 (Allentown, PA) - Trend of Active Listing Count of Houses (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the active listing count of houses in the 18102 Zip Code in February 2026 was 37. The month over month percentage change (MoM) was -0.0395%, and the year over year percentage change (YoY) was 0.0282%.

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

The chart below shows the trend of active listing count in the 18102 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 18102 - Trend of Active Listing Count of Houses
Zip Code: 18102 Trend of Active Listing Count of Houses
Items per page:
1 – 10 of 116
Month Active Listing Count MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 166
Sep 2016 167
Oct 2016 163
Nov 2016 158
Dec 2016 158
Jan 2017 151
Feb 2017 146
Mar 2017 129
Apr 2017 117
May 2017 115
Jun 2017 111
Jul 2017 111
Aug 2017 125 0.1261 -0.247
Sep 2017 136 0.088 -0.1832
Oct 2017 132 -0.0294 -0.1877
Nov 2017 123 -0.0682 -0.2215
Dec 2017 112 -0.0894 -0.2911
Jan 2018 101 -0.0982 -0.3311
Feb 2018 95 -0.0594 -0.3493
Mar 2018 94 -0.0158 -0.2752
Apr 2018 92 -0.016 -0.2137
May 2018 86 -0.0707 -0.2565
Jun 2018 81 -0.0526 -0.2703
Jul 2018 73 -0.0988 -0.3423
Aug 2018 88 0.2055 -0.296
Sep 2018 95 0.0795 -0.3015
Oct 2018 110 0.1579 -0.1667
Nov 2018 118 0.0682 -0.0447
Dec 2018 106 -0.0979 -0.0536
Jan 2019 92 -0.1321 -0.0891
Feb 2019 99 0.0707 0.0368
Mar 2019 95 -0.0406 0.0107
Apr 2019 87 -0.0794 -0.0543
May 2019 85 -0.023 -0.0058
Jun 2019 84 -0.0118 0.037
Jul 2019 86 0.0238 0.1781
Aug 2019 80 -0.0698 -0.0909
Sep 2019 89 0.1125 -0.0632
Oct 2019 94 0.0506 -0.15
Nov 2019 102 0.0909 -0.1319
Dec 2019 102 0.0 -0.0377
Jan 2020 102 0.0 0.1087
Feb 2020 95 -0.0735 -0.0406
Mar 2020 75 -0.2063 -0.2063
Apr 2020 69 -0.0867 -0.2126
May 2020 59 -0.1387 -0.3059
Jun 2020 61 0.0339 -0.2738
Jul 2020 66 0.082 -0.2326
Aug 2020 58 -0.1288 -0.2813
Sep 2020 49 -0.1478 -0.4494
Oct 2020 54 0.0918 -0.4278
Nov 2020 51 -0.0467 -0.5
Dec 2020 55 0.0784 -0.4608
Jan 2021 60 0.0909 -0.4118
Feb 2021 47 -0.2167 -0.5026
Mar 2021 37 -0.2234 -0.5133
Apr 2021 44 0.2055 -0.3577
May 2021 39 -0.1136 -0.339
Jun 2021 42 0.0769 -0.3115
Jul 2021 57 0.3571 -0.1364
Aug 2021 62 0.0877 0.0783
Sep 2021 50 -0.2016 0.0102
Oct 2021 44 -0.1212 -0.1869
Nov 2021 45 0.0345 -0.1176
Dec 2021 36 -0.2111 -0.3545
Jan 2022 29 -0.1831 -0.5167
Feb 2022 26 -0.1034 -0.4468
Mar 2022 28 0.0769 -0.2329
Apr 2022 22 -0.2143 -0.5
May 2022 24 0.0909 -0.3846
Jun 2022 29 0.2083 -0.3095
Jul 2022 29 0.0 -0.4912
Aug 2022 43 0.4828 -0.3065
Sep 2022 42 -0.0233 -0.1515
Oct 2022 37 -0.131 -0.1609
Nov 2022 37 0.0137 -0.1778
Dec 2022 39 0.0405 0.0845
Jan 2023 36 -0.0649 0.2414
Feb 2023 33 -0.0833 0.2692
Mar 2023 26 -0.2121 -0.0714
Apr 2023 24 -0.0962 0.0682
May 2023 23 -0.0213 -0.0417
Jun 2023 29 0.2609 0.0
Jul 2023 29 0.0 0.0
Aug 2023 30 0.0345 -0.3023
Sep 2023 35 0.15 -0.1786
Oct 2023 34 -0.0145 -0.0685
Nov 2023 31 -0.1029 -0.1757
Dec 2023 38 0.2295 -0.026
Jan 2024 39 0.04 0.0833
Feb 2024 31 -0.2179 -0.0758
Mar 2024 27 -0.1311 0.0192
Apr 2024 28 0.0566 0.1915
May 2024 27 -0.0357 0.1739
Jun 2024 28 0.037 -0.0345
Jul 2024 26 -0.0714 -0.1034
Aug 2024 29 0.1154 -0.0333
Sep 2024 37 0.2759 0.0725
Oct 2024 33 -0.1081 -0.0294
Nov 2024 37 0.1212 0.2131
Dec 2024 38 0.027 0.0133
Jan 2025 39 0.0132 -0.0128
Feb 2025 36 -0.0779 0.1639
Mar 2025 36 0.0 0.3396
Apr 2025 33 -0.0704 0.1786
May 2025 31 -0.0758 0.1296
Jun 2025 31 0.0164 0.1071
Jul 2025 41 0.3065 0.5577
Aug 2025 42 0.037 0.4483
Sep 2025 54 0.2857 0.4595
Oct 2025 46 -0.1574 0.3788
Nov 2025 41 -0.0989 0.1081
Dec 2025 47 0.1463 0.2368
Jan 2026 46 -0.0213 0.1948
Feb 2026 38 -0.1739 0.0704
Mar 2026 37 -0.0395 0.0282