Germantown is a city located in the Maryland region of the United States. During the most recent census, Germantown had a population of 86,395. Germantown is the 3rd most poplulated city in the Maryland region, the 378th most populated city in the United States and the 4,151st most populated city in the world. Germantown is in the America/New York timezone which is 4 hours behind UTC. Germantown adjusts the hour with daylight savings time during the winter months.