Lyndhurst is a city located in the New Jersey region of the United States. During the most recent census, Lyndhurst had a population of 19,996. Lyndhurst is the 79th most poplulated city in the New Jersey region, the 2,188th most populated city in the United States and the 13,714th most populated city in the world. Lyndhurst is in the America/New York timezone which is 4 hours behind UTC. Lyndhurst adjusts the hour with daylight savings time during the winter months.