Zip Code: 21903 (Perryville, 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 21903 Zip Code in October 2025 was 62.523.

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 21903 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: 21903 - Market Hotness: Trend of Supply Score
Zip Code: 21903 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 43.79881287097782
October 2017 20.544877775704425
November 2017 43.37752525252525
December 2017 44.15123556358475
January 2018 42.89151794666132
February 2018 26.788442839283235
March 2018 20.02385462709605
April 2018 16.386176328000555
May 2018 53.76637554585153
June 2018 29.25613242039487
July 2018 29.876670756118035
August 2018 83.64205416453756
September 2018 50.589652548820695
October 2018 72.10281548516842
November 2018 62.74596646630813
December 2018 31.39295810845541
January 2019 16.540362438220757
February 2019 9.120252729894924
March 2019 23.636993418773812
April 2019 23.731486560614375
May 2019 24.298552514234753
June 2019 9.876958246486922
July 2019 6.231570670336151
August 2019 29.833463440020818
September 2019 68.33623412621672
October 2019 64.23315259488768
November 2019 59.45189428459836
December 2019 69.97276290440443
January 2020 96.19785126273197
February 2020 83.08748356944648
March 2020 80.82383229128357
April 2020 54.36396021968235
May 2020 36.413854882054345
July 2020 12.783234088624237
February 2021 38.80243223745234
July 2024 72.55806292208862
August 2024 64.24612418668167
May 2025 97.7191267513848
June 2025 90.05032907471931
July 2025 89.54449789536982
August 2025 49.82993197278912
September 2025 19.310344827586206
October 2025 6.104882459312839
November 2025 62.522653135193906