Duvall is located in King County. About 8,034 people live here (as of 2020). Between 2010 and 2020, the population grew from 6,695 to 8,034. The region is at 27 meters above sea level. The area covers about 6.3 square kilometers. There are about 441 streets in Duvall. The region was founded in 1913. The postal codes are 98019. The dialing code is 425. Duvall is city in King County, Washington, United States of America. Among other things, Duvall has public Transport, restaurants, cafés, supermarkets, schools, banks, hairdressers and dentists. More information at
www.duvallwa.gov.