
Lake Mystic
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 4.536
- State:
- Florida
Lake Mystic is a CDP located in Franklin County, Florida. Lake Mystic has a 2025 population of 536. Lake Mystic is currently growing at a rate of 0.37% annually but its population has decreased by -10.82% since the most recent census, which recorded a population of 601 in 2020.
The average household income in Lake Mystic is $76,270 with a poverty rate of 3.42%. The median age in Lake Mystic is 45.9 years: 32.5 years for males, and 51.8 years for females.