Zip Code: 21776 (New Windsor, 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 21776 Zip Code in October 2025 was 28.554.

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 21776 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: 21776 - Market Hotness: Trend of Supply Score
Zip Code: 21776 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 27.004061230865357
October 2017 65.4226534801269
November 2017 69.10353535353535
December 2017 53.16472030453577
January 2018 64.98228728026201
February 2018 40.852896235588275
April 2018 80.16483135951243
May 2018 48.94923580786026
June 2018 28.504952469587185
July 2018 90.17240266029573
August 2018 80.88911599386816
September 2018 41.732183616535636
October 2018 91.9683257918552
November 2018 72.91363492565644
December 2018 72.46851709072219
January 2019 71.15650741350906
February 2019 55.703591786278416
March 2019 36.83408382403879
April 2019 30.43746571585299
May 2019 43.28737051519517
June 2019 60.83507026154778
July 2019 60.59891226000917
August 2019 53.87717928701535
September 2019 64.5071875201444
October 2019 79.20862380583526
November 2019 85.71800546803802
December 2019 63.81452202218827
January 2020 54.995116506209015
February 2020 33.99298963049511
March 2020 28.19418904008827
April 2020 74.83301172628767
May 2020 64.58644371454166
June 2020 41.891384361150756
July 2020 48.928930477147944
August 2020 59.29140127388535
September 2020 24.18289999184938
October 2020 6.381016266979708
November 2020 16.174863387978142
August 2025 80.84886128364388
September 2025 87.94192377495463
October 2025 70.4014466546112
November 2025 28.553823849220734