Zip Code: 21128 (Perry Hall, MD) - Market Hotness: Trend of Demand Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: demand score for the 21128 Zip Code in February 2026 was 37.772.

You can see similar for other Maryland Zip Codes.

The chart and table below shows the trend of the market hotness: demand score for the 21128 zip code.

Note: Demand Score is an index representing the metro's unique listing page viewers compared to other metros.

Data Source: Realtor.
Zip Code: 21128 - Market Hotness: Trend of Demand Score
Zip Code: 21128 - Market Hotness: Trend of Demand Score
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Month Demand Score
September 2017 63.873789440799754
October 2017 67.08341108415749
November 2017 62.66414141414142
December 2017 59.86192657590812
January 2018 67.53559254060558
February 2018 65.77996944020002
March 2018 62.41493019013541
April 2018 42.30209848327446
May 2018 53.670851528384276
June 2018 46.972013561124776
July 2018 37.334538645315426
August 2018 52.439959121103726
September 2018 44.79457266041085
October 2018 53.29311211664153
November 2018 47.36475798797849
December 2018 53.19969159599075
January 2019 64.62602965403624
February 2019 63.72501888606552
March 2019 72.26879113266367
April 2019 66.57981349424026
May 2019 69.05398916100707
June 2019 54.46782760707322
July 2019 62.73507633837887
August 2019 51.97111631537861
September 2019 61.05846709211629
October 2019 63.70384714691454
November 2019 67.52375992709283
December 2019 67.38191722580217
January 2020 61.21808287986605
February 2020 65.89017087775669
March 2020 72.36484001471129
April 2020 69.86047202018703
May 2020 70.99134069871603
June 2020 65.65011642755202
July 2020 65.88044234784626
August 2020 64.5859872611465
September 2020 75.71114190235552
October 2020 66.70300184470904
November 2020 27.087011349306433
December 2020 35.240698289543296
January 2021 22.72598469821479
July 2021 42.575956394468555
September 2021 56.79563040509786
December 2021 66.02112676056338
August 2022 45.05682303682816
September 2022 50.47635106652053
October 2022 45.13835998984514
November 2022 39.51552484808125
December 2022 43.69640886323117
June 2023 54.478273721548916
August 2023 49.206924680503946
September 2023 50.98074021478654
October 2023 38.14001196683478
November 2023 41.28192119059699
December 2023 44.2509299966182
January 2024 37.73285071069127
February 2024 50.45424744778496
March 2024 37.86417040787086
April 2024 51.169073125291106
August 2024 51.74712828339626
September 2024 51.901303974389
November 2024 47.43982829986202
December 2024 42.69091469523002
January 2025 48.833771353482256
February 2025 61.36852058798247
March 2025 76.99145594200397
April 2025 53.41291190316073
May 2025 60.50830889540567
June 2025 70.37553232675184
July 2025 47.947985568250154
August 2025 42.7536231884058
September 2025 47.27404718693285
October 2025 39.717902350813745
November 2025 19.014135556361
December 2025 19.406711212276967
January 2026 29.419514841509724
February 2026 24.21843444543178
March 2026 37.77211862318246