6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Trenton | 1 | 2,326 | 2,019 | 2.6% | 686 | 3 | City |
| Trenton | 2 | 2,326 | 2,029 | 2.6% | 686 | 3 | City |
| Fanning Springs | 3 | 1,380 | 1,180 | 2.91% | 283 | 5 | City |
| Fanning Springs | 4 | 1,380 | 1,184 | 2.91% | 283 | 5 | City |
| Bell | 5 | 599 | 510 | 2.92% | 366 | 2 | Town |
| Bell | 6 | 599 | 511 | 2.92% | 366 | 2 | Town |
Trenton is the largest city in Gilchrist County, with a population of 2,326.
Bell is the smallest city in Gilchrist County, with a population of 599.
There are 6 cities in Gilchrist County, Florida.