Zip Code: 18103 (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 18103 Zip Code in February 2026 was 93.769.

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 18103 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: 18103 - Market Hotness: Trend of Hotness Score
Zip Code: 18103 - Market Hotness: Trend of Hotness Score
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Month Hotness Score
September 2017 65.13589503280225
October 2017 69.51234683087641
November 2017 70.3125
December 2017 78.2276275888767
January 2018 78.75476238219369
February 2018 76.40297263508822
March 2018 69.11176594401178
April 2018 79.36491446776093
May 2018 83.25941593886463
June 2018 87.3462740144918
July 2018 81.64589655840382
August 2018 80.8252427184466
September 2018 77.00672077098656
October 2018 77.526395173454
November 2018 75.08383422967415
December 2018 75.68105885376511
January 2019 76.23723228995058
February 2019 74.16042854199574
March 2019 77.01766539660548
April 2019 81.39056500274273
May 2019 81.40906908142965
June 2019 83.35910710683788
July 2019 73.61247624664176
August 2019 73.59810044236275
September 2019 78.78875781602527
October 2019 87.8259746966176
November 2019 88.10376253092045
December 2019 81.72457317478244
January 2020 84.33793777033627
February 2020 91.60946399883161
March 2020 84.89518205222508
April 2020 92.18494879026272
May 2020 74.98507017020006
June 2020 69.95793585217457
July 2020 98.00092800247467
August 2020 97.56767515923568
September 2020 95.45195207433369
October 2020 90.55844373637431
November 2020 94.76250525430854
December 2020 90.4293775348263
January 2021 80.08878813639369
February 2021 92.92486859734103
March 2021 90.68627450980392
April 2021 96.14086146682189
May 2021 89.73441108545035
June 2021 91.24003929701998
July 2021 91.08711012415463
August 2021 88.935850474312
September 2021 87.0459717796996
October 2021 93.09862964298594
November 2021 92.5127365356623
December 2021 79.49921752738653
January 2022 77.19916327204668
February 2022 98.58707830200423
March 2022 91.2720706260032
April 2022 98.27474799689843
May 2022 98.0746722846442
June 2022 94.43927167390855
July 2022 96.1285542280263
August 2022 94.82611296248825
September 2022 94.87395666469943
October 2022 96.34848100194634
November 2022 96.94913843336386
December 2022 90.39816622803293
January 2023 94.62729051770148
February 2023 81.2997220358478
March 2023 98.27914910696367
April 2023 94.9661330049261
May 2023 96.74780325219675
June 2023 95.08818602818012
July 2023 93.18932176209792
August 2023 96.57844647874558
September 2023 92.87742966184433
October 2023 97.80323104538849
November 2023 93.83138846609165
December 2023 94.50456543794385
January 2024 93.74503398958242
February 2024 90.57787768099652
March 2024 95.96905148533767
April 2024 94.76478807638566
May 2024 96.15593342981185
June 2024 96.83992402003108
July 2024 96.51622467468292
August 2024 93.23640453048438
September 2024 92.30108534395254
October 2024 90.24587014982711
November 2024 93.10516633450865
December 2024 93.02612314094168
January 2025 93.46665571616293
February 2025 95.98985644287802
March 2025 78.82540778458618
April 2025 80.93056489576327
May 2025 88.03356142065819
June 2025 95.09485094850949
July 2025 81.41912206855082
August 2025 86.70511682934043
September 2025 84.14882032667876
October 2025 83.14647377938516
November 2025 81.0003624501631
December 2025 89.49262060356855
January 2026 85.59249786871271
February 2026 93.03255513369416
March 2026 93.76899696048632