Kennett is located in Dunklin County. About 10,515 people live here (as of 2020). Between 2010 and 2020, the population declined from 10,932 to 10,515. The region is at 82 meters above sea level. The area covers about 18.0 square kilometers. There are about 430 streets in Kennett. The postal codes are 63857. The dialing code is 573. Kennett is city in, county seat of, Dunklin County, Missouri, United States. Among other things, Kennett has restaurants, banks and hairdressers. More information at
www.kennettmo.com.