
Lake Mary
- County:
- Seminole County
- County Seat:
- No
- Area (mi²):
- 9.076
- State:
- Florida
Lake Mary is a city located in Seminole County, Florida. Lake Mary has a 2025 population of 16,629. Lake Mary is currently declining at a rate of -0.24% annually and its population has decreased by -1.19% since the most recent census, which recorded a population of 16,829 in 2020.
The average household income in Lake Mary is $143,734 with a poverty rate of 2.2%. The median age in Lake Mary is 43.1 years: 41.3 years for males, and 45.1 years for females.