Zip Code: 18018 (Bethlehem, 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 18018 Zip Code in February 2026 was 83.168.

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 18018 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: 18018 - Market Hotness: Trend of Supply Score
Zip Code: 18018 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 44.56107466416745
October 2017 57.10020526217578
November 2017 95.75757575757575
December 2017 85.21194915801019
January 2018 73.00982554642069
February 2018 76.57313515766079
March 2018 63.825159615519546
April 2018 57.22002908788697
May 2018 90.61135371179039
June 2018 91.57083028651199
July 2018 88.13843869051462
August 2018 93.29969340827797
September 2018 85.14455997971088
October 2018 74.534942182001
November 2018 79.02562480227776
December 2018 67.35415060395785
January 2019 63.82207578253707
February 2019 67.48162900899663
March 2019 64.19120193972982
April 2019 96.19445968184311
May 2019 94.27865816011524
June 2019 89.80030928528205
July 2019 79.57538824454492
August 2019 96.70179547228727
September 2019 96.15806098111261
October 2019 94.39710818486961
November 2019 91.06236167165733
December 2019 88.06882349033415
January 2020 69.49211664573741
February 2020 87.88520519935739
March 2020 96.88120632585509
April 2020 86.22532284399584
May 2020 71.31979695431471
June 2020 50.53706903027116
July 2020 98.43012914701106
August 2020 98.35987261146497
September 2020 98.94856956557176
October 2020 99.3878920006708
November 2020 99.59646910466583
December 2020 99.30347381414212
June 2021 97.40203034603209
July 2021 97.54718885636419
August 2021 97.47346670423593
September 2021 95.37551206190258
October 2021 92.85971871619185
November 2021 99.42685589519651
December 2021 97.9264475743349
January 2022 99.57062644500716
March 2022 96.2011771000535
April 2022 96.8467304212975
May 2022 94.5692883895131
June 2022 89.72687771570453
July 2022 93.99833287024173
August 2022 86.45646415449029
September 2022 76.60399629036337
October 2022 91.52069053059152
November 2022 99.483892449846
December 2022 99.10009338653536
January 2023 99.92883828500267
February 2023 99.88498035080993
July 2023 99.79247240826336
August 2023 99.1208193601015
September 2023 99.60947900949677
October 2023 99.27344217454484
November 2023 99.67021816336884
December 2023 98.48664186675686
January 2024 99.80577381477885
February 2024 87.55268333801631
March 2024 99.93313592511224
May 2024 98.30861070911722
June 2024 91.52996028319806
July 2024 99.85999011694943
August 2024 99.83131175194795
September 2024 99.67205434527993
October 2024 98.91663465232425
November 2024 99.67806224130001
December 2024 99.19858210680434
January 2025 98.2506570302234
February 2025 97.283589787673
March 2025 99.93958746871495
May 2025 99.99185402411209
July 2025 99.99248346361996
August 2025 99.82993197278913
September 2025 99.72413793103449
October 2025 99.89873417721519
November 2025 99.61580282711128
December 2025 89.20625596592996
January 2026 95.48167092924126
February 2026 98.76403586719445
March 2026 83.16766614638955