Zip Code: 18073 (Pennsburg, 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 18073 Zip Code in November 2025 was 49.974.

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 18073 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: 18073 - Market Hotness: Trend of Supply Score
Zip Code: 18073 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 21.674476726023116
October 2017 25.6950923679791
November 2017 72.02020202020202
December 2017 80.98587005613265
January 2018 54.00040104271105
February 2018 35.359077649673566
March 2018 14.144390654599032
April 2018 37.58570538125909
May 2018 41.94868995633188
June 2018 40.56371734361497
July 2018 54.852456899334925
August 2018 48.447879407256
September 2018 47.01369515597261
October 2018 83.57843137254902
November 2018 78.35495096488452
December 2018 70.92007196093549
January 2019 67.05766062602966
February 2019 65.92953780646934
March 2019 29.70557672324212
April 2019 34.82583653318706
May 2019 72.39486862866158
June 2019 68.72856854703153
July 2019 87.4254636000262
August 2019 77.05568566224304
September 2019 37.05279443047766
October 2019 16.42783372063
November 2019 11.547975524020309
December 2019 9.639274563209991
January 2020 4.395144411887819
February 2020 0.9274134657514239
March 2020 41.309304891504226
April 2020 92.2740092029093
May 2020 60.24186324275903
June 2020 26.214977841207844
July 2020 17.62431366483644
August 2020 13.184713375796179
September 2020 9.66663949792159
October 2020 4.880093912460171
November 2020 7.818411097099622
December 2020 46.252865455827894
October 2021 86.25135232600071
August 2022 89.68640519524908
September 2022 77.95295506281089
December 2022 59.775872315137114
December 2023 99.79709164693946
July 2025 100
August 2025 99.24578527063
September 2025 97.83666061705989
October 2025 92.09403254972875
November 2025 64.00869880391447
December 2025 49.97430060944269