There are a bunch of Jacksonvilles in the US, but none are Counties. ~
1. in Florida it's the County Seat of Duval County.
2. in Illinois it's County Seat of Morgan County.
3. in North Carolina it's County Seat of Onslow County.
4. in Oregon it's located in Jackson County.
5. in Arkansas it's located in Pulaski County.
Jacksonville, Alabama is located in Calhoun County.
Duval county
Jacksonville Florida is Duval County. Area Code 904.
Yes, Jacksonville is unique in that it spans two counties: Duval County and part of St. Johns County. The majority of the city is located in Duval County, which also serves as the city’s governmental jurisdiction. A small portion of Jacksonville lies in St. Johns County, primarily in its northern areas.
The address of the Onslow County Historical Society is: Po Box 5203, Jacksonville, NC 28540
The address of the Morgan County Historical Society is: 200 W State St, Jacksonville, IL 62650-2002
The address of the Calhoun County Sports Hall Of Fame is: Po Box 729, Jacksonville, AL 36265-0729
Ocala, Florida is the halfway point between Tampa and Jacksonville. Ocala is the county seat of Marion County, and the 45th most-populate Florida city.
The address of the Jacksonville Public Library is: 200 Pelham Road South, Jacksonville, 36265 2153
Nassau County, Florida, is located approximately 30 miles northeast of Jacksonville. The driving distance between downtown Jacksonville and the county seat, Fernandina Beach, is around 40 miles, depending on the specific route taken. The journey typically takes about 45 minutes to an hour by car.
Jacksonville, FL is a weird city. Jacksonville city government runs Duval County which is 918 sq. Miles. The “city” itself is 875sq.miles excluding the beaches but most people just call it Jacksonville (918 sq. miles)
The airport code for Jacksonville International Airport is JAX. It is located 21 kilometers north of downtown Jacksonville in Duval County, Florida, United States.