Zip Code: 18102 (Allentown, 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 18102 Zip Code in February 2026 was 93.165.

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 18102 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: 18102 - Market Hotness: Trend of Supply Score
Zip Code: 18102 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 59.97500781005935
October 2017 53.15668346084469
November 2017 47.51262626262626
December 2017 51.20330343893155
January 2018 48.59300848873738
February 2018 76.57313515766079
March 2018 73.00919104749877
April 2018 53.70870558902971
May 2018 33.42658296943232
June 2018 37.53905470983182
July 2018 50.84909924452767
August 2018 66.33239652529382
September 2018 76.45194014709612
October 2018 76.3700351935646
November 2018 67.84561847516609
December 2018 45.77229503983552
January 2019 34.82701812191104
February 2019 57.75702218254241
March 2019 65.35503983373744
April 2019 65.72956664838179
May 2019 61.99492350963847
June 2019 56.666442546897066
July 2019 43.018150842015594
August 2019 41.90736403851158
September 2019 64.5071875201444
October 2019 70.64936741544022
November 2019 69.88673349824242
December 2019 45.193649106490405
January 2020 51.806892702664996
February 2020 45.910617788812615
March 2020 29.812431040823835
April 2020 37.1678788778388
May 2020 34.14452075246342
June 2020 19.46969127920078
July 2020 55.66468177248473
August 2020 65.93152866242038
September 2020 81.00904719211019
October 2020 85.77058527586784
November 2020 91.83690626313577
December 2020 82.28707459001939
January 2021 90.2710871823935
February 2021 44.1925177780068
March 2021 36.01231190150479
April 2021 50.91967403958091
May 2021 75.47344110854503
June 2021 65.06931557690208
July 2021 79.33784192994851
August 2021 69.85066215835447
September 2021 53.79153390987711
October 2021 51.03678326721962
November 2021 93.34970887918487
December 2021 95.76486697965572
January 2022 91.54464384014092
February 2022 98.31943234159094
March 2022 97.1107544141252
April 2022 80.36960454897907
May 2022 92.4625468164794
June 2022 93.72025656941858
July 2022 92.7757710475132
August 2022 86.45646415449029
September 2022 70.48309586038278
October 2022 91.03833460269104
November 2022 97.54432697910596
December 2022 95.71270905849393
January 2023 97.54492083259207
February 2023 98.88814339116266
March 2023 92.18342364037728
April 2023 90.36330049261085
May 2023 91.46550853449146
June 2023 93.52645580845403
July 2023 93.15158947269126
August 2023 96.02102782561407
September 2023 93.70728676666371
October 2023 86.45183349004188
November 2023 56.637916455268055
December 2023 97.86100777815354
January 2024 94.1467290544716
February 2024 95.96328556710687
March 2024 83.59919763110135
April 2024 97.06567303213787
May 2024 95.66751085383503
June 2024 66.41340010360905
July 2024 96.00560039532202
August 2024 99.77508233593059
September 2024 99.42219098930273
October 2024 91.27929312331925
November 2024 95.11727732638356
December 2024 99.19858210680434
January 2025 96.06603153745073
February 2025 97.32657096191868
March 2025 94.11409338051264
April 2025 76.70645595158037
May 2025 74.25057021831215
June 2025 96.32210607820365
July 2025 95.72309079975948
August 2025 90.27654540076901
September 2025 92.37023593466425
October 2025 82.87884267631102
November 2025 72.97571583907214
December 2025 96.43145605404214
January 2026 97.45020537859412
February 2026 91.17860893448582
March 2026 93.16520167583997