Macclenny
- County:
- Baker County
- County Seat:
- Yes
- Area (mi²):
- 4.866
- State:
- Florida
Macclenny is a city located in Baker County, Florida. Macclenny has a 2026 population of 8,178. It is also the county seat of Baker County. Macclenny is currently growing at a rate of 1.75% annually and its population has increased by 11.39% since the most recent census, which recorded a population of 7,342 in 2020.