Gambrills 21054 Real EstateGambrills is located in Maryland. Gambrills, Maryland 21054has a population of 43,488. Gambrills 21054 is more family-centric than the surrounding county with 37.04% of the households containing married families with children. The county average for households married with children is 33.77%. The median household income in Gambrills, Maryland 21054 is $104,891. The median household income for the surrounding county is $108,048 compared to the national median of $69,021. The median age of people living in Gambrills 21054 is 36.5 years. Gambrills WeatherThe average high temperature in July is 87.5 degrees, with an average low temperature in January of 23.8 degrees. The average rainfall is approximately 43.1 inches per year, with 15.9 inches of snow per year. Gambrills MapReal estate near GambrillsNearby CitiesNearby Cities Homes for Sale |