| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Palm Coast | 1 | 114,046 | 89,713 | 3.79% | 1,184 | 96 | City |
| St. Augustine Beach | 2 | 6,795 | 6,837 | -0.22% | 3,192 | 2 | City |
| Flagler Beach | 3 | 5,693 | 5,155 | 1.75% | 1,605 | 4 | City |
| Bunnell | 4 | 4,494 | 3,285 | 4.56% | 33 | 136 | City |
| Beverly Beach | 5 | 532 | 470 | 2.11% | 1,727 | 0 | Town |
| Marineland | 6 | 9 | 8 | 0% | 23 | 0 | Town |
Palm Coast is the largest city in Flagler County, with a population of 114,046.
Marineland is the smallest city in Flagler County, with a population of 9.
There are 6 cities in Flagler County, Florida.