Zip Code: 18020 (Bethlehem, 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 18020 Zip Code in February 2026 was 13. The month over month percentage change (MoM) was -0.1667%, and the year over year percentage change (YoY) was 0.1905%.

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

The chart below shows the trend of active listing count in the 18020 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 18020 - Trend of Active Listing Count of Houses
Zip Code: 18020 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 90
Sep 2016 81
Oct 2016 81
Nov 2016 77
Dec 2016 69
Jan 2017 60
Feb 2017 58
Mar 2017 53
Apr 2017 60
May 2017 87
Jun 2017 81
Jul 2017 81
Aug 2017 81 0.0062 -0.1
Sep 2017 79 -0.0309 -0.0248
Oct 2017 77 -0.0191 -0.0494
Nov 2017 79 0.026 0.026
Dec 2017 73 -0.0823 0.0507
Jan 2018 67 -0.0759 0.1167
Feb 2018 59 -0.1269 0.0174
Mar 2018 67 0.1453 0.2642
Apr 2018 66 -0.0149 0.1
May 2018 70 0.0606 -0.1954
Jun 2018 66 -0.0571 -0.1801
Jul 2018 68 0.0303 -0.1553
Aug 2018 61 -0.1103 -0.2531
Sep 2018 64 0.0496 -0.1911
Oct 2018 69 0.0866 -0.1039
Nov 2018 71 0.029 -0.1013
Dec 2018 64 -0.0986 -0.1172
Jan 2019 57 -0.1094 -0.1493
Feb 2019 53 -0.0702 -0.094
Mar 2019 56 0.0566 -0.1642
Apr 2019 53 -0.0536 -0.197
May 2019 49 -0.0755 -0.3
Jun 2019 53 0.0714 -0.2045
Jul 2019 54 0.0286 -0.2059
Aug 2019 63 0.1667 0.0413
Sep 2019 61 -0.0317 -0.0394
Oct 2019 59 -0.0328 -0.1449
Nov 2019 58 -0.0169 -0.1831
Dec 2019 50 -0.1379 -0.2188
Jan 2020 50 -0.01 -0.1316
Feb 2020 48 -0.0404 -0.1038
Mar 2020 37 -0.2211 -0.3393
Apr 2020 31 -0.1622 -0.4151
May 2020 30 -0.0484 -0.398
Jun 2020 32 0.0847 -0.3905
Jul 2020 38 0.1719 -0.3056
Aug 2020 33 -0.12 -0.4762
Sep 2020 24 -0.2727 -0.6066
Oct 2020 27 0.125 -0.5424
Nov 2020 21 -0.2222 -0.6379
Dec 2020 15 -0.3095 -0.71
Jan 2021 13 -0.1034 -0.7374
Feb 2021 8 -0.3846 -0.8316
Mar 2021 9 0.0625 -0.7703
Apr 2021 18 1.0588 -0.4355
May 2021 18 0.0286 -0.3898
Jun 2021 18 0.0 -0.4375
Jul 2021 17 -0.0556 -0.5467
Aug 2021 23 0.3529 -0.303
Sep 2021 32 0.3696 0.3125
Oct 2021 24 -0.2381 -0.1111
Nov 2021 17 -0.2917 -0.1905
Dec 2021 23 0.3235 0.5517
Jan 2022 18 -0.2222 0.3462
Feb 2022 14 -0.2 0.75
Mar 2022 16 0.1071 0.8235
Apr 2022 16 0.0 -0.1143
May 2022 19 0.2258 0.0556
Jun 2022 23 0.2105 0.2778
Jul 2022 25 0.087 0.4706
Aug 2022 24 -0.04 0.0435
Sep 2022 32 0.3125 0.0
Oct 2022 24 -0.2381 0.0
Nov 2022 21 -0.125 0.2353
Dec 2022 22 0.0238 -0.0444
Jan 2023 16 -0.2558 -0.0857
Feb 2023 13 -0.2188 -0.1071
Mar 2023 12 -0.08 -0.2581
Apr 2023 12 0.0 -0.2581
May 2023 12 0.0435 -0.3684
Jun 2023 15 0.25 -0.3478
Jul 2023 21 0.3667 -0.18
Aug 2023 21 0.0244 -0.125
Sep 2023 13 -0.381 -0.5873
Oct 2023 11 -0.1538 -0.5417
Nov 2023 15 0.3182 -0.3095
Dec 2023 19 0.2759 -0.1395
Jan 2024 15 -0.1892 -0.0625
Feb 2024 15 -0.0333 0.16
Mar 2024 15 0.0345 0.3043
Apr 2024 12 -0.2 0.0435
May 2024 12 -0.0417 -0.0417
Jun 2024 14 0.2174 -0.0667
Jul 2024 14 0.0 -0.3171
Aug 2024 27 0.8929 0.2619
Sep 2024 28 0.0566 1.1538
Oct 2024 23 -0.1786 1.0909
Nov 2024 20 -0.1304 0.3793
Dec 2024 17 -0.15 -0.0811
Jan 2025 14 -0.2059 -0.1
Feb 2025 13 -0.0741 -0.1379
Mar 2025 11 -0.16 -0.3
Apr 2025 10 -0.0476 -0.1667
May 2025 14 0.4 0.2174
Jun 2025 23 0.6429 0.6429
Jul 2025 30 0.3043 1.1429
Aug 2025 21 -0.3167 -0.2264
Sep 2025 24 0.1707 -0.1429
Oct 2025 26 0.0833 0.1304
Nov 2025 29 0.0962 0.425
Dec 2025 24 -0.1579 0.4118
Jan 2026 19 -0.2292 0.3704
Feb 2026 15 -0.1892 0.2
Mar 2026 13 -0.1667 0.1905