Titusville, city, seat of Brevard County, eastern Florida, on the Indian River (a lagoon), opposite Cape Canaveral, with which it is linked by a causeway; incorporated 1946. The city is a citrus-fruit processing and shipping center and gateway to the John F. Kennedy Space Center and to Canaveral National Seashore. The community was named for Henry T. Titus, who founded and developed the area as a citrus-shipping and fishing center. The city's main growth began in the 1960s. Population 31,910 (1980); 39,394 (1990); 40,670 (2000).