Plainfield is a city located in the New Jersey region of the United States. During the most recent census, Plainfield had a population of 49,808. Plainfield is the 26th most poplulated city in the New Jersey region, the 813th most populated city in the United States and the 6,926th most populated city in the world. Plainfield is in the America/New York timezone which is 4 hours behind UTC. Plainfield adjusts the hour with daylight savings time during the winter months.
Plainfield is located at sea level (34 meters / 112 feet). The closest cities to Plainfield are Watchung (3.7 km / 2.3 miles), Fanwood (3.9 km / 2.4 miles), South Plainfield (4.2 km / 2.6 miles), Scotch Plains (4.9 km / 3.0 miles) and Dunellen (5.5 km / 3.4 miles)