Zip Code: 21791 (Union Bridge, 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 21791 Zip Code in May 2020 was 45.444.

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 21791 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: 21791 - Market Hotness: Trend of Demand Score
Zip Code: 21791 - Market Hotness: Trend of Demand Score
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Month Demand Score
September 2017 79.03155263980007
October 2017 78.37905081793866
November 2017 74.23611111111111
December 2017 74.55319698045035
January 2018 75.74360002673617
May 2018 84.0133733624454
July 2018 72.67385549170272
August 2018 76.3605007664793
September 2018 88.16890692366218
October 2018 75.02513826043239
November 2018 73.16039228092376
December 2018 72.59701876124389
April 2019 26.06280855732309
May 2019 38.12169856623448
June 2019 33.10697236603241
July 2019 36.707948365113694
August 2019 26.50273224043716
September 2019 23.96054921678592
October 2019 27.581977794990962
November 2019 30.282515297487304
December 2019 53.67700790540092
January 2020 45.31184596065299
February 2020 53.746166204177015
June 2020 45.44430256140615