7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Panama City | 1 | 39,107 | 32,858 | 2.74% | 1,102 | 36 | City |
| Lynn Haven | 2 | 23,599 | 18,664 | 3.61% | 2,250 | 10 | City |
| Panama City Beach | 3 | 20,939 | 17,987 | 2.41% | 1,085 | 19 | City |
| Callaway | 4 | 14,717 | 12,979 | 2.01% | 1,565 | 9 | City |
| Springfield | 5 | 8,725 | 8,035 | 1.34% | 1,830 | 5 | City |
| Parker | 6 | 5,211 | 3,981 | 4.1% | 2,727 | 2 | City |
| Mexico Beach | 7 | 1,355 | 920 | 5.69% | 555 | 2 | City |
Panama City is the largest city in Bay County, with a population of 39,107.
Mexico Beach is the smallest city in Bay County, with a population of 1,355.
There are 7 cities in Bay County, Florida.