Jacksonville Beach is a coastal resort city in Duval County, Florida, United States. It was incorporated on May 22, 1907, as Pablo Beach, and would later change its name to Jacksonville Beach in 1925. The city is part of group of communities collectively referred to as the Jacksonville Beaches. These communities include Mayport, Atlantic Beach, Neptune Beach, and Ponte Vedra Beach. When the city of Jacksonville consolidated with Duval County in 1968. As of the 2010 census, Jacksonville Beach had a total population of 21,362. The median income for a household in the city was $46,922.