10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Chipley | 1 | 3,759 | 3,661 | 0.48% | 854 | 4 | City |
| Chipley | 2 | 3,759 | 3,668 | 0.48% | 854 | 4 | City |
| Vernon | 3 | 748 | 722 | 0.54% | 157 | 5 | City |
| Vernon | 4 | 748 | 725 | 0.54% | 157 | 5 | City |
| Wausau | 5 | 394 | 374 | 1.03% | 342 | 1 | Town |
| Wausau | 6 | 394 | 374 | 1.03% | 342 | 1 | Town |
| Caryville | 7 | 321 | 306 | 0.94% | 107 | 3 | Town |
| Caryville | 8 | 321 | 306 | 0.94% | 107 | 3 | Town |
| Ebro | 9 | 248 | 236 | 0.81% | 52 | 5 | Town |
| Ebro | 10 | 248 | 236 | 0.81% | 52 | 5 | Town |
Chipley is the largest city in Washington County, with a population of 3,759.
Ebro is the smallest city in Washington County, with a population of 248.
There are 10 cities in Washington County, Florida.