Port Monmouth is a town located in the New Jersey region of the United States. During the most recent census, Port Monmouth had a population of 3,818. Port Monmouth is the 335th most poplulated city in the New Jersey region, the 7,301st most populated city in the United States and the 33,887th most populated city in the world. Port Monmouth is in the America/New York timezone which is 4 hours behind UTC. Port Monmouth adjusts the hour with daylight savings time during the winter months.
Port Monmouth is located at sea level (3 meters / 10 feet). The closest cities to Port Monmouth are Belford (1.1 km / 0.7 miles), Keansburg (3.0 km / 1.8 miles), Leonardo (3.4 km / 2.1 miles), Atlantic Highlands (6.0 km / 3.7 miles) and Navesink (6.3 km / 3.9 miles)