Zip Code: 17020 (Duncannon, 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 17020 Zip Code in February 2026 was 17. The month over month percentage change (MoM) was -0.15%, and the year over year percentage change (YoY) was 0.2593%.

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

The chart below shows the trend of active listing count in the 17020 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 17020 - Trend of Active Listing Count of Houses
Zip Code: 17020 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 36
Sep 2016 32
Oct 2016 32
Nov 2016 32
Dec 2016 28
Jan 2017 27
Feb 2017 27
Mar 2017 24
Apr 2017 19
May 2017 21
Jun 2017 22
Jul 2017 25
Aug 2017 23 -0.0612 -0.3611
Sep 2017 24 0.0435 -0.25
Oct 2017 25 0.0417 -0.2063
Nov 2017 27 0.08 -0.1563
Dec 2017 25 -0.0926 -0.125
Jan 2018 26 0.0612 -0.037
Feb 2018 27 0.0385 0.0
Mar 2018 21 -0.2222 -0.1064
Apr 2018 18 -0.1429 -0.027
May 2018 19 0.0278 -0.119
Jun 2018 17 -0.0811 -0.2273
Jul 2018 18 0.0588 -0.2653
Aug 2018 21 0.1389 -0.1087
Sep 2018 22 0.0732 -0.0833
Oct 2018 27 0.2273 0.08
Nov 2018 32 0.1667 0.1667
Dec 2018 26 -0.1905 0.0408
Jan 2019 21 -0.1765 -0.1923
Feb 2019 21 0.0 -0.2222
Mar 2019 22 0.0238 0.0238
Apr 2019 19 -0.1163 0.0556
May 2019 17 -0.1053 -0.0811
Jun 2019 16 -0.0882 -0.0882
Jul 2019 16 0.0323 -0.1111
Aug 2019 18 0.125 -0.122
Sep 2019 19 0.0556 -0.1364
Oct 2019 22 0.1316 -0.2037
Nov 2019 24 0.093 -0.254
Dec 2019 26 0.1064 0.0196
Jan 2020 25 -0.0577 0.1667
Feb 2020 19 -0.2449 -0.119
Mar 2020 16 -0.1351 -0.2558
Apr 2020 12 -0.2813 -0.3947
May 2020 12 0.0435 -0.2941
Jun 2020 9 -0.25 -0.4194
Jul 2020 9 -0.0556 -0.4688
Aug 2020 9 0.0 -0.5278
Sep 2020 2 -0.7647 -0.8947
Oct 2020 3 0.5 -0.8605
Nov 2020 4 0.3333 -0.8298
Dec 2020 3 -0.25 -0.8846
Jan 2021 2 -0.3333 -0.9184
Feb 2021 2 0.0 -0.8919
Mar 2021 4 0.75 -0.7813
Apr 2021 5 0.2857 -0.6087
May 2021 3 -0.3333 -0.75
Jun 2021 3 0.0 -0.6667
Jul 2021 4 0.1667 -0.5882
Aug 2021 3 -0.1429 -0.6471
Sep 2021 3 0.0 0.5
Oct 2021 4 0.1667 0.1667
Nov 2021 5 0.4286 0.25
Dec 2021 3 -0.4 0.0
Jan 2022 3 0.0 0.5
Feb 2022 3 0.0 0.5
Mar 2022 2 -0.5 -0.5714
Apr 2022 3 1.0 -0.3333
May 2022 8 1.6667 1.6667
Jun 2022 10 0.25 2.3333
Jul 2022 16 0.55 3.4286
Aug 2022 18 0.1613 5.0
Sep 2022 13 -0.3056 3.1667
Oct 2022 15 0.16 3.1429
Nov 2022 26 0.7931 4.2
Dec 2022 26 -0.0192 7.5
Jan 2023 22 -0.1373 6.3333
Feb 2023 20 -0.1136 5.5
Mar 2023 19 -0.0513 11.3333
Apr 2023 18 -0.027 5.0
May 2023 16 -0.1111 1.0
Jun 2023 14 -0.125 0.4
Jul 2023 13 -0.1071 -0.1935
Aug 2023 11 -0.12 -0.3889
Sep 2023 13 0.1364 0.0
Oct 2023 11 -0.12 -0.2414
Nov 2023 15 0.3636 -0.4231
Dec 2023 16 0.0333 -0.3922
Jan 2024 15 -0.0323 -0.3182
Feb 2024 16 0.0333 -0.2051
Mar 2024 16 0.0323 -0.1351
Apr 2024 13 -0.1875 -0.2778
May 2024 16 0.1923 -0.0313
Jun 2024 10 -0.3548 -0.2857
Jul 2024 9 -0.1 -0.28
Aug 2024 6 -0.3889 -0.5
Sep 2024 12 1.1818 -0.04
Oct 2024 12 0.0 0.0909
Nov 2024 14 0.1667 -0.0667
Dec 2024 11 -0.2143 -0.2903
Jan 2025 11 0.0 -0.2667
Feb 2025 13 0.1364 -0.1935
Mar 2025 14 0.08 -0.1563
Apr 2025 11 -0.1852 -0.1538
May 2025 11 0.0 -0.2903
Jun 2025 16 0.4545 0.6
Jul 2025 27 0.6563 1.9444
Aug 2025 29 0.0943 4.2727
Sep 2025 33 0.1379 1.75
Oct 2025 32 -0.0303 1.6667
Nov 2025 32 0.0 1.2857
Dec 2025 32 0.0 1.9091
Jan 2026 23 -0.2813 1.0909
Feb 2026 20 -0.1304 0.6
Mar 2026 17 -0.15 0.2593