Zip Code: 19023 (Darby, PA) - Market Hotness: Trend of Supply Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: supply score for the 19023 Zip Code in February 2026 was 42.184.

You can see similar for other Pennsylvania Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 19023 zip code.

Note: Supply Score is an index representing the metro's median days on market ranking compared to other metros.

Data Source: Realtor.
Zip Code: 19023 - Market Hotness: Trend of Supply Score
Zip Code: 19023 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 28.39737582005623
October 2017 60.40306027243889
November 2017 41.496212121212125
December 2017 70.72714368668946
January 2018 87.75482922264555
February 2018 83.07403806084179
March 2018 65.7405458499965
April 2018 59.983378350301265
May 2018 47.31850436681223
June 2018 62.274812205012296
July 2018 34.68715697036224
August 2018 29.030403679100665
September 2018 44.5155972609688
October 2018 76.3700351935646
November 2018 41.37931034482759
December 2018 48.52223078900026
January 2019 53.80560131795716
February 2019 43.300597486436374
March 2019 39.96536196744025
April 2019 53.70268787712562
May 2019 39.15071688276051
June 2019 47.35426611981443
July 2019 45.50160539938405
August 2019 77.9664324746292
September 2019 77.1933217301618
October 2019 85.01161890007745
November 2019 85.90678297096733
December 2019 83.51159237361323
January 2020 64.91558532161295
February 2020 35.51190302322185
March 2020 88.41485840382494
April 2020 89.78031764880511
May 2020 44.99104210212004
August 2020 74.57802547770702
September 2020 50.15078653516994
October 2020 67.84336743250043
July 2021 89.62349853638841
August 2021 51.06602798910491
September 2021 22.67637687756031
October 2021 39.379733141002525
November 2021 49.845342066957784
December 2021 43.221830985915496
January 2022 82.61587581195641
February 2022 74.49271754014688
March 2022 23.595505617977526
April 2022 34.24657534246575
May 2022 24.01685393258427
June 2022 18.40471756672874
July 2022 32.00889135871075
August 2022 15.927539947022131
September 2022 45.814012309248795
October 2022 26.428027418126426
November 2022 17.322900191459254
December 2022 45.89523728669667
January 2023 71.01049635296211
February 2023 81.52976133422794
March 2023 69.5865944210315
April 2023 26.200738916256157
May 2023 59.852540147459855
June 2023 29.520149768450093
July 2023 32.176209791529104
August 2023 60.509380948064894
September 2023 48.99263335404278
October 2023 42.34549961535174
November 2023 51.82648401826484
December 2023 41.60466689212039
January 2024 88.43471351637679
February 2024 81.39926945771285
March 2024 78.08768745820996
April 2024 64.19189566837447
May 2024 34.58755426917511
June 2024 30.676912450354
July 2024 40.94877285455444
August 2024 74.2790585589204
September 2024 45.58444600609042
October 2024 44.02612370341913
November 2024 63.44473401808983
December 2024 97.57262849657086
January 2025 93.83212877792378
February 2025 82.41210349866759
March 2025 70.42375075515665
April 2025 84.22158708809684
May 2025 83.9605734767025
June 2025 61.564072783584976
July 2025 57.245941070354775
August 2025 59.006211180124225
September 2025 89.00181488203268
October 2025 68.9620253164557
November 2025 44.13918086263139
December 2025 26.984360085175123
January 2026 58.93978144617531
February 2026 69.06858389207528
March 2026 42.18352090692517