Duval County, county in Florida, United States of America. As of 2020 county had an estimated population of 966,728 inhabitants. The county was created 199 years ago in 1822. Its county seat is "Jacksonville".
Jacksonville, county seat of Duval County, Florida, United States; consolidated city and county
Cities, Towns, Neighborhoods & Other Populated Places in Duval County.
|Jacksonville||County seat of Duval County, Florida, United States; consolidated city and county||Duval||920,570|
|Jacksonville Beach||City in Duval County, Florida, United States||Duval||23,609|