Rumson is a town located in the New Jersey region of the United States. During the most recent census, Rumson had a population of 7,122. Rumson is the 249th most poplulated city in the New Jersey region, the 5,061st most populated city in the United States and the 25,228th most populated city in the world. Rumson is in the America/New York timezone which is 4 hours behind UTC. Rumson adjusts the hour with daylight savings time during the winter months.