Zip Code: 20837 (Poolesville, MD) - 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 20837 Zip Code in June 2020 was 69.275.

You can see similar for other Maryland Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 20837 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: 20837 - Market Hotness: Trend of Supply Score
Zip Code: 20837 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 36.732271165260855
December 2017 24.085424866120395
June 2018 85.23565778102771
July 2018 86.36275585975334
August 2018 75.56847215125192
September 2018 63.879026122241946
October 2018 87.78908999497234
November 2018 72.40746599177476
December 2018 98.38087895142637
January 2019 96.89621087314663
February 2019 86.99265160359866
March 2019 91.76307585729131
June 2019 91.75015128084448
July 2019 57.35535023917174
August 2019 37.51626333593547
September 2019 29.897505318120288
April 2020 90.25530651625353
May 2020 80.77037921767692
June 2020 87.61361075640352
July 2020 69.27538473435929