Zip Code: 18020 (Bethlehem, PA) - Market Hotness: Trend of Demand Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: demand score for the 18020 Zip Code in February 2026 was 86.979.

You can see similar for other Pennsylvania Zip Codes.

The chart and table below shows the trend of the market hotness: demand score for the 18020 zip code.

Note: Demand Score is an index representing the metro's unique listing page viewers compared to other metros.

Data Source: Realtor.
Zip Code: 18020 - Market Hotness: Trend of Demand Score
Zip Code: 18020 - Market Hotness: Trend of Demand Score
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Month Demand Score
September 2017 76.96969696969697
October 2017 82.91969894880886
November 2017 82.56313131313131
December 2017 86.48299890315504
January 2018 86.29102332731769
February 2018 87.02597582997639
March 2018 84.1507051147127
April 2018 88.54491308262345
May 2018 76.59661572052401
June 2018 67.07438675796051
July 2018 75.79905727384258
August 2018 77.58048032703117
September 2018 70.8280497083439
October 2018 65.45374560080442
November 2018 69.30718127174946
December 2018 69.25597532767927
January 2019 80.73805601317957
February 2019 74.74074582789643
March 2019 81.61413231728439
April 2019 82.51508502468458
May 2019 80.9563010221582
June 2019 89.72634976131243
July 2019 82.46510713583645
August 2019 94.03460837887067
September 2019 87.88757816025269
October 2019 91.00826232894397
November 2019 90.91915115219372
December 2019 96.62525742376936
January 2020 93.83982140365565
February 2020 95.6769388053162
March 2020 94.86575947039353
April 2020 93.77319281579338
May 2020 89.82532099134069
June 2020 92.57117103582964
July 2020 97.5871935658495
August 2020 98.12101910828025
September 2020 98.31282093080121
October 2020 97.81988931745765
November 2020 98.2177385456074
December 2020 97.66355140186917
April 2021 97.9394644935972
May 2021 96.88221709006929
June 2021 95.74282283593493
July 2021 95.13475320480468
August 2021 93.20935474781629
September 2021 95.96722803823396
October 2021 93.35557158312298
November 2021 91.19359534206696
December 2021 95.85289514866979
January 2022 81.43785093030938
February 2022 91.60961035727624
March 2022 91.78705189941145
April 2022 87.49030757301628
May 2022 93.23501872659176
June 2022 80.71591144216843
July 2022 81.27257571547652
August 2022 80.02221652567718
September 2022 94.66318185650451
October 2022 93.0862317000931
November 2022 95.63805876966619
December 2022 95.34765260208846
January 2023 96.1305817470201
February 2023 97.98715613917378
March 2023 98.07344972907886
June 2023 95.89122080993201
July 2023 94.77407791717762
August 2023 94.78836218616877
September 2023 96.17466938847963
November 2023 94.74040250295957
December 2023 97.37910043963477
January 2024 95.62108236955946
February 2024 98.53891542568137
March 2024 96.1409876779062
June 2024 98.59264375755482
July 2024 96.75506506341624
August 2024 99.12442766487268
September 2024 95.69766533926759
October 2024 96.57318478678448
November 2024 96.53533650160969
December 2024 93.40371426369731
January 2025 89.2904073587385
May 2025 98.0042359074617
June 2025 98.49787069299263
July 2025 98.06825015033073
August 2025 94.63176574977817
September 2025 96.14519056261342
October 2025 95.04520795660036
November 2025 96.12903225806451
December 2025 93.78074748513107
January 2026 98.99248236844144
February 2026 99.44260441069554
March 2026 86.97938059640188