Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Panama City | 1 | 36,592 | 32,862 | 2.61% | 1,033 | 35.4 | City |
| Lynn Haven | 2 | 21,110 | 18,672 | 2.97% | 2,013 | 10.5 | City |
| Panama City Beach | 3 | 19,851 | 18,018 | 2.36% | 1,028 | 19.3 | City |
| Upper Grand Lagoon | 4 | 17,578 | 18,114 | 1.49% | 2,170 | 8.1 | CDP |
| Callaway | 5 | 13,890 | 12,974 | 1.68% | 1,477 | 9.4 | City |
| Springfield | 6 | 8,329 | 8,033 | 0.9% | 1,941 | 4.3 | City |
| Lower Grand Lagoon | 7 | 4,875 | 4,700 | 1.48% | 2,331 | 2.1 | CDP |
| Parker | 8 | 4,846 | 3,984 | 4.64% | 2,536 | 1.9 | City |
| Laguna Beach | 9 | 4,238 | 4,271 | 0.52% | 1,690 | 2.5 | CDP |
| Cedar Grove | 10 | 2,956 | 3,499 | -1.07% | 1,128 | 2.6 | CDP |
| Pretty Bayou | 11 | 2,346 | 2,901 | -2.57% | 1,491 | 1.6 | CDP |
| Mexico Beach | 12 | 1,190 | 916 | 6.06% | 514 | 2.3 | City |
| Tyndall AFB | 13 | 371 | 2,072 | -33.63% | 26 | 14.5 | CDP |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Panama City is the largest city in Bay County.
Tyndall AFB is the smallest city in Bay County.
There are 13 cities in Bay County, Florida.