Zip Code: 18651 (Plymouth, 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 18651 Zip Code in April 2025 was 59.865.

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 18651 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: 18651 - Market Hotness: Trend of Hotness Score
Zip Code: 18651 - Market Hotness: Trend of Hotness Score
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Month Hotness Score
September 2017 16.34489222118088
October 2017 21.11401380854637
November 2017 32.79356060606061
December 2017 30.598748306342344
January 2018 26.405320499966578
February 2018 19.13807473260175
March 2018 31.919595874552726
April 2018 36.70268024101392
May 2018 23.065638646288207
June 2018 17.124243834341556
July 2018 25.695744818234648
August 2018 46.90533980582525
September 2018 45.78049708343901
October 2018 41.3430115635998
November 2018 31.613413476747866
December 2018 37.30082241069134
January 2019 29.83855024711697
February 2019 28.504223611015725
March 2019 21.648770349844128
April 2019 18.479155238617665
May 2019 31.95787885024354
June 2019 35.769515228938346
July 2019 37.330450167092586
August 2019 44.62334113973458
September 2019 35.56694385354219
October 2019 32.61037955073587
November 2019 31.330555917198282
December 2019 24.270909453265126
January 2020 26.499930235802985
February 2020 46.73214546516722
March 2020 50.41559396837073
April 2020 53.37316312898916
May 2020 49.41400418035235
June 2020 33.140539322466765
November 2021 80.44486899563319
July 2024 81.04101465985835
August 2024 65.33456502530323
September 2024 80.9557273366128
October 2024 63.24625432193622
November 2024 53.94373754407481
December 2024 42.58303151729984
January 2025 53.424770039421816
February 2025 30.073927619702573
March 2025 73.20704237507553
April 2025 57.998486886348346
May 2025 59.86477680026067