
Glen St. Mary
- County:
- Baker County
- County Seat:
- No
- Area (mi²):
- 0.458
- State:
- Florida
Glen St. Mary is a town located in Baker County, Florida. Glen St. Mary has a 2025 population of 499. Glen St. Mary is currently growing at a rate of 1.42% annually and its population has increased by 7.54% since the most recent census, which recorded a population of 464 in 2020.
The average household income in Glen St. Mary is $68,413 with a poverty rate of 34.09%. The median age in Glen St. Mary is 29.6 years: 29.6 years for males, and 29.5 years for females.