Jacksonville, colloquially nicknamed Jax, is the most populous city proper in the U.S. state of Florida, located on the Atlantic coast of northeastern Florida. It is the county seat of Duval County, w
Duval County, officially the City of Jacksonville and Duval County, is a county in the northeastern part of the U.S. state of Florida. As of the 2020 census, its population was 995,567, making it the