Zip Code: 15904 (Johnstown, 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 15904 Zip Code in December 2025 was 79.788.

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 15904 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: 15904 - Market Hotness: Trend of Supply Score
Zip Code: 15904 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 38.219306466729144
October 2017 37.749580145549544
November 2017 29.987373737373733
December 2017 31.29879347054649
January 2018 27.611790655704834
February 2018 13.321294624253369
March 2018 18.76797867115695
April 2018 12.694784957407023
May 2018 14.628820960698691
June 2018 30.898092135877153
July 2018 55.569187060114935
August 2018 62.02733776188043
September 2018 63.02941922394116
October 2018 46.210407239819006
November 2018 31.002847200253086
December 2018 32.45952197378566
January 2019 31.354200988467873
February 2019 22.883043746995398
March 2019 15.42085209560097
April 2019 25.802249040043883
May 2019 50.02401042738561
June 2019 46.74241914879311
July 2019 41.06546097896599
August 2019 34.87509758001561
September 2019 35.66041384645136
October 2019 33.35915311128324
November 2019 30.022132534826195
December 2019 49.06663123629841
January 2020 33.11008790288824
February 2020 28.749817438294144
March 2020 25.50937844795881
April 2020 29.523526792340803
May 2020 19.363989250522547
June 2020 14.023886426800871
July 2020 12.365632975021267
August 2020 40.461783439490446
September 2020 43.02714157633059
October 2020 41.246017105483816
November 2020 26.51534258091635
December 2020 21.460059954152708
January 2021 40.71975063757438
February 2021 10.32670308152118
July 2021 87.59463005955385
August 2021 67.31473654550577
September 2021 75.43923532089212
October 2021 39.379733141002525
November 2021 22.680131004366814
December 2021 11.76643192488263
January 2022 4.976329406583728
February 2022 3.709697497821486
July 2022 28.443086042419193
August 2022 76.80082030248654
September 2022 41.64067110698929
October 2022 21.333671828721336
November 2022 11.795554815616416
December 2022 7.020969522030733
January 2023 12.026329834549013
July 2023 63.80530138666164
August 2023 39.20964379588507
September 2023 26.999201207064882
October 2023 12.43696042396786
November 2023 14.865550481988837
December 2023 28.905985796415283
January 2024 84.55901827491834
February 2024 42.746089725578344
April 2024 62.44061481136469
May 2024 65.54811866859623
July 2024 49.62114972821611
August 2024 65.85267893003454
September 2024 77.35613336456625
October 2024 87.22243565117172
November 2024 73.1948489958608
October 2025 75.5370705244123
December 2025 65.18833981937
January 2026 79.78764628380996