Zip Code: 18055 (Hellertown, 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 18055 Zip Code in December 2025 was 78.811.

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 18055 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: 18055 - Market Hotness: Trend of Supply Score
Zip Code: 18055 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 35.82005623242737
October 2017 25.6950923679791
November 2017 20.7260101010101
December 2017 17.07206916575263
January 2018 20.038767462068044
February 2018 39.38741491873871
March 2018 42.38405949624641
April 2018 52.5036359858716
May 2018 55.151473799126634
June 2018 73.19683573755235
July 2018 62.56214889907664
August 2018 45.59274399591211
September 2018 26.933806746132387
October 2018 21.42408245349422
November 2018 42.89149003479911
December 2018 60.363659727576454
January 2019 68.95551894563427
February 2019 52.290364672756
March 2019 46.77519916868722
April 2019 54.78606692265496
May 2019 55.71105165671949
June 2019 33.073354400591676
July 2019 48.86311513007011
August 2019 45.58938329430133
September 2019 37.05279443047766
October 2019 57.05525432481281
November 2019 62.8563989063924
December 2019 94.69873114993689
January 2020 83.1589228407981
February 2020 83.49642179056521
March 2020 82.22140492828245
April 2020 86.70031171144427
May 2020 84.51030158256197
June 2020 69.48846991662285
July 2020 89.57543886783698
August 2020 86.96656050955414
September 2020 90.26000489037412
October 2020 67.84336743250043
November 2020 80.26061370323664
December 2020 57.176864750484924
January 2021 30.017946538207234
February 2021 11.573740080387509
June 2021 98.04606484008296
July 2021 82.527505803977
August 2021 72.53686484455714
September 2021 93.882567137005
October 2021 86.25135232600071
November 2021 87.17248908296943
December 2021 69.00430359937401
March 2022 86.53023006955591
April 2022 24.592918066683897
May 2022 9.550561797752808
June 2022 46.389406165942475
July 2022 27.19273872371955
August 2022 3.956250534051098
September 2022 13.540173678441953
October 2022 7.954641618007955
November 2022 94.4393573628569
December 2022 79.37855505560744
January 2023 86.99519658423768
February 2023 64.80398734783859
March 2023 46.48805940196669
April 2023 23.15270935960591
May 2023 5.868094131905869
June 2023 92.31451374519656
August 2023 98.31414846369981
September 2023 99.44084494541582
October 2023 86.88776818531498
November 2023 75.51158464400474
December 2023 57.964152857625976
January 2024 32.94782378387923
February 2024 29.643158190502948
March 2024 52.39277867991212
April 2024 51.07591988821611
May 2024 79.99276410998553
June 2024 86.7639440511138
July 2024 96.00560039532202
August 2024 92.58574985942646
October 2024 98.94736842105263
November 2024 89.94327763299096
December 2024 96.22408877244355
January 2025 93.67608409986859
February 2025 74.40041261927276
June 2025 98.12620983352691
July 2025 99.90980156343957
August 2025 97.30848861283644
September 2025 99.3611615245009
October 2025 80.2386980108499
November 2025 83.55926060166728
December 2025 84.46288273735223
January 2026 78.81112919476091