Zip Code: 18104 (Allentown, PA) - Market Hotness: Trend of Hotness Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: hotness score for the 18104 Zip Code in February 2026 was 96.016.

You can see similar for other Pennsylvania Zip Codes.

The chart and table below shows the trend of the market hotness: hotness score for the 18104 zip code.

Note: Hotness Score is an equally-weighted composite metric of a geography’s supply score and demand score.

Data Source: Realtor.
Zip Code: 18104 - Market Hotness: Trend of Hotness Score
Zip Code: 18104 - Market Hotness: Trend of Hotness Score
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Month Hotness Score
September 2017 77.10715401437051
October 2017 77.65130310381291
November 2017 76.35416666666666
December 2017 70.62068520549713
January 2018 62.064701557382534
February 2018 56.26475899430477
March 2018 64.22156738932155
April 2018 79.83932405291225
May 2018 78.00900655021834
June 2018 72.93757894037094
July 2018 71.35985019693936
August 2018 81.35858456821666
September 2018 70.56492518387014
October 2018 64.44507290095525
November 2018 60.455552040493515
December 2018 77.24877923413004
January 2019 75.38385502471169
February 2019 66.43431083030012
March 2019 75.87114651887772
April 2019 72.70639056500275
May 2019 78.32887425396173
June 2019 78.15840785315673
July 2019 82.19317213812988
August 2019 78.53564923237055
September 2019 74.92425707471153
October 2019 80.93209398399173
November 2019 83.23460486915766
December 2019 84.22573573374078
January 2020 80.31603181247384
February 2020 87.66613115232948
March 2020 88.57668260389849
April 2020 94.80852011280984
May 2020 74.41773663780234
June 2020 70.72410425899497
July 2020 97.98546129456345
August 2020 90.99920382165604
September 2020 95.81465482109381
October 2020 82.45430152607747
November 2020 93.43841950399327
December 2020 93.84147416681361
January 2021 90.068007934259
February 2021 79.83098010924456
March 2021 77.65047879616964
April 2021 97.48544819557625
May 2021 94.9769053117783
June 2021 93.31950660408252
July 2021 88.72514383769052
August 2021 83.47891424814502
September 2021 67.89258079198908
October 2021 89.69978362783988
November 2021 95.1146288209607
December 2021 96.70872456964005
January 2022 96.87878454255201
February 2022 95.15125108925682
March 2022 97.2043873729267
April 2022 96.8467304212975
May 2022 95.37102059925093
June 2022 95.44278915787295
July 2022 93.57228859868482
August 2022 92.23703323934033
September 2022 94.57465643706264
October 2022 90.2978759414403
November 2022 95.02205943561142
December 2022 94.94439256303592
January 2023 80.0080056929372
February 2023 88.45969519792965
March 2023 95.29901665663255
April 2023 92.04125615763547
May 2023 98.34865165134835
June 2023 98.56636121785397
July 2023 99.01896047542685
August 2023 97.19931115743678
September 2023 96.19685808112186
October 2023 97.8630652192495
November 2023 91.53559952646711
December 2023 93.17720662833955
January 2024 95.4798269621259
February 2024 95.26552402360213
March 2024 93.70044894450282
April 2024 93.44666977177457
May 2024 97.11016642547034
June 2024 96.3995855638059
July 2024 90.33108219403724
August 2024 89.75018073740863
September 2024 92.59779807917545
October 2024 91.12562427967728
November 2024 89.89345393223977
December 2024 85.7786853664175
January 2025 82.74063731931669
February 2025 87.45379523768588
March 2025 94.53698109950807
April 2025 98.45746469401479
May 2025 97.12854349951124
June 2025 97.22415795586527
July 2025 98.21858087793146
August 2025 94.19180715764567
September 2025 93.97822141560799
October 2025 93.60578661844485
November 2025 89.86951794128308
December 2025 84.72354798443351
January 2026 95.3537936913896
February 2026 90.70199531464577
March 2026 96.01577261151729