Zip Code: 21821 (Deal Island, MD) - 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 21821 Zip Code in October 2024 was 41.465.

You can see similar for other Maryland Zip Codes.

The chart and table below shows the trend of the market hotness: hotness score for the 21821 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: 21821 - Market Hotness: Trend of Hotness Score
Zip Code: 21821 - Market Hotness: Trend of Hotness Score
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Month Hotness Score
September 2017 11.6932208684786
October 2017 9.121726690302918
November 2017 9.469696969696969
December 2017 8.197303051809794
January 2018 6.206135953479046
February 2018 7.553132379497152
March 2018 9.997895179962113
April 2018 12.80905879908581
May 2018 8.83256004366812
June 2018 6.763943362361232
July 2018 10.105249564150578
August 2018 47.84108329075115
September 2018 34.12693380674613
October 2018 21.389517345399696
November 2018 13.005378044922493
December 2018 10.55319969159599
January 2019 10.500823723228995
February 2019 8.381979259666231
March 2019 9.913404918600623
April 2019 12.815414152495887
May 2019 11.785689785278176
June 2019 5.7789282592617495
July 2019 13.318262237074897
August 2019 15.082617746552172
September 2019 16.94385354219042
October 2019 34.663051897753675
November 2019 45.78830881395652
December 2019 27.947917358666047
January 2020 27.078973071019952
February 2020 52.11406455381919
March 2020 36.204486943729314
April 2020 18.76948196526644
May 2020 15.83308450283667
June 2020 10.947945617066026
July 2020 13.436702497873327
August 2020 15.32643312101911
November 2024 41.464816802084925