7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Panama City | 1 | 38,065 | 32,858 | 2.81% | 1,072 | 36 | City |
| Lynn Haven | 2 | 22,776 | 18,664 | 3.74% | 2,171 | 10 | City |
| Panama City Beach | 3 | 20,447 | 17,987 | 2.47% | 1,059 | 19 | City |
| Callaway | 4 | 14,427 | 12,979 | 2.04% | 1,534 | 9 | City |
| Springfield | 5 | 8,610 | 8,035 | 1.35% | 1,806 | 5 | City |
| Parker | 6 | 5,006 | 3,981 | 4.27% | 2,620 | 2 | City |
| Mexico Beach | 7 | 1,282 | 920 | 5.95% | 525 | 2 | City |
Panama City is the largest city in Bay County, with a population of 38,065.
Mexico Beach is the smallest city in Bay County, with a population of 1,282.
There are 7 cities in Bay County, Florida.