
Marianna
- County:
- Jackson County
- County Seat:
- Yes
- Area (mi²):
- 18.603
- State:
- Florida
Marianna is a city located in Jackson County, Florida. Marianna has a 2025 population of 7,966. It is also the county seat of Jackson County. Marianna is currently growing at a rate of 4.4% annually and its population has increased by 26.75% since the most recent census, which recorded a population of 6,285 in 2020.
The average household income in Marianna is $48,341 with a poverty rate of 21.15%. The median age in Marianna is 36.1 years: 35.9 years for males, and 37.6 years for females.