Altamonte Springs
- County:
- Seminole County
- County Seat:
- No
- Area (mi²):
- 9.12
- State:
- Florida
Altamonte Springs is a city located in Seminole County, Florida. Altamonte Springs has a 2026 population of 47,261. Altamonte Springs is currently growing at a rate of 3.35% annually and its population has increased by 2.36% since the most recent census, which recorded a population of 46,172 in 2020.