Zip Code: 18037 (Coplay, 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 18037 Zip Code in December 2021 was 99.956.

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 18037 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: 18037 - Market Hotness: Trend of Supply Score
Zip Code: 18037 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 56.66354264292408
October 2017 46.72513528643404
November 2017 64.70328282828282
December 2017 63.94606103619588
June 2018 93.3523898158612
July 2018 90.92141796345322
August 2018 88.68804292284108
September 2018 81.4037534871925
October 2018 93.63373554550026
November 2018 75.49509648845302
December 2018 79.25983037779491
January 2019 99.7166392092257
February 2019 99.77336721379027
March 2019 91.9154832005542
April 2019 54.78606692265496
May 2019 24.710159840845165
June 2019 13.66906474820144
July 2019 98.97123386409802
August 2019 77.05568566224304
September 2019 28.524463353316577
October 2019 8.036405886909373
November 2019 2.740528577008202
December 2019 0.05314555238158506
January 2020 0.006976419701409237
February 2020 78.83014458887104
March 2020 85.92865023905848
April 2020 93.71381920736232
May 2020 77.00806210809196
June 2020 37.129121910914144
July 2020 98.97919727785941
August 2020 95.36624203821657
September 2020 99.85328877659141
October 2020 98.0965956733188
November 2020 99.56284153005464
December 2020 99.59442779051314
January 2021 98.8948710682913
February 2021 84.03586519633103
March 2021 38.74829001367989
April 2021 13.341094295692665
May 2021 11.928406466512701
June 2021 72.99421460539243
July 2021 93.62067225194308
August 2021 98.66629097398328
September 2021 99.40828402366864
October 2021 98.97223223945186
November 2021 91.83042212518195
December 2021 84.90805946791862
January 2022 99.95596168666741