| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Panama City | 1 | 38,891 | 32,882 | 2.87% | 1,096 | 36 | City |
| Lynn Haven | 2 | 23,313 | 18,658 | 3.71% | 2,223 | 10 | City |
| Panama City Beach | 3 | 20,873 | 17,986 | 2.44% | 1,081 | 19 | City |
| Callaway | 4 | 14,669 | 12,986 | 2.09% | 1,560 | 9 | City |
| Springfield | 5 | 8,672 | 8,036 | 1.42% | 1,819 | 5 | City |
| Parker | 6 | 5,040 | 3,981 | 4.3% | 2,637 | 2 | City |
| Mexico Beach | 7 | 1,348 | 919 | 5.73% | 552 | 2 | City |
Panama City is the largest city in Bay County, with a population of 38,891.
Mexico Beach is the smallest city in Bay County, with a population of 1,348.
There are 7 cities in Bay County, Florida.