Duval County is a county located in the U.S. state of Florida. As of the most recent data available, the county has a population of approximately 778,879 people, with a population density of about 6.30 persons per square mile.
The county spans a total land area of 774.00 square miles (2,005.00 square kilometers). The administrative center and county seat is Jacksonville, which often serves as a hub for local governance and services. The largest city within the county by population is Jacksonville.
Geographically, Duval County experiences varied elevations, with its highest point at Baldwin 86 ft and its lowest point at Neptune Beach 10 ft. The region operates in the UTC-5.