Duval County is in the northeastern part of the U.S. state of Florida. As of July 2022, the population was 1,016,536, up from 864,263 in 2010. It is Florida's sixth-most populous county. Its county seat is Jacksonville, with which the Duval County... Wikipedia
Population: 1.017 million (2022)
Cities: Jacksonville, Jacksonville Beach, Atlantic Beach, and more
Founded: August 12, 1822
Named for: William Pope Duval
Seat: Jacksonville