
Upper Grand Lagoon
- County:
- Bay County
- County Seat:
- No
- Area (mi²):
- 8.101
- State:
- Florida
Upper Grand Lagoon is a CDP located in Bay County, Florida. Upper Grand Lagoon has a 2025 population of 17,837. Upper Grand Lagoon is currently growing at a rate of 1.47% annually but its population has decreased by -1.53% since the most recent census, which recorded a population of 18,114 in 2020.
The average household income in Upper Grand Lagoon is $105,414 with a poverty rate of 8.26%. The median age in Upper Grand Lagoon is 45.8 years: 44.5 years for males, and 46.7 years for females.