Renton is a city located in the Washington region of the United States. During the most recent census, Renton had a population of 90,927. Renton is the 8th most poplulated city in the Washington region, the 351st most populated city in the United States and the 3,932nd most populated city in the world. Renton is in the America/Los Angeles timezone which is 7 hours behind UTC. Renton adjusts the hour with daylight savings time during the winter months.