Kent. 1 Industrial city (1990 pop. 28,835), Portage co., NE Ohio; settled in 1805 as Franklin Mills, combined with Carthage and renamed as Kent 1863, inc. as a city 1920. Machinery and processed foods are made there, and there is a liquid-crystal research center. The city is the seat of Kent State Univ., where four young people were killed by Ohio National Guardsmen during a 1970 protest of the Vietnam War. 2 City (1990 pop. 37,960), King co., W central Wash., near Puget Sound; inc. 1890. Located in a fertile agricultural area, the city has numerous food and dairy processing plants. Manufactures include chemical, metal, paper, and plastic products and electrical and transportation equipment. Kent additionally has a large aerospace industry and is a regional distribution center. The city and its population grew in the 1980s and 90s along with the developing Seattle metropolitan area.