Iselin is a city located in the New Jersey region of the United States. During the most recent census, Iselin had a population of 18,695. Iselin is the 85th most poplulated city in the New Jersey region, the 2,346th most populated city in the United States and the 14,341st most populated city in the world. Iselin is in the America/New York timezone which is 4 hours behind UTC. Iselin adjusts the hour with daylight savings time during the winter months.
Iselin is located at sea level (19 meters / 62 feet). The closest cities to Iselin are Colonia (1.7 km / 1.1 miles), Avenel (3.2 km / 2.0 miles), Woodbridge (3.8 km / 2.3 miles), Metuchen (5.0 km / 3.1 miles) and Fords (5.2 km / 3.2 miles)