Claymont is a town located in the Delaware region of the United States. During the most recent census, Claymont had a population of 8,253. Claymont is the 11th most poplulated city in the Delaware region, the 4,552nd most populated city in the United States and the 23,350th most populated city in the world. Claymont is in the America/New York timezone which is 4 hours behind UTC. Claymont adjusts the hour with daylight savings time during the winter months.