- County Human Population: 196
Jackson County is a county located in the U.S. state of Florida, on its northwestern border with Alabama. As of the 2010 census, the population was 49,746. Its county seat is Marianna.
Jackson County is a county located in the U.S. state of Florida, on its northwestern border with Alabama. As of the 2010 census, the population was 49,746. Its county seat is Marianna.