3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Trenton | 1 | 2,304 | 2,023 | 2.49% | 679 | 3 | City |
| Fanning Springs | 2 | 1,387 | 1,186 | 2.97% | 285 | 5 | City |
| Bell | 3 | 589 | 511 | 2.79% | 360 | 2 | Town |
Trenton is the largest city in Gilchrist County, with a population of 2,304.
Bell is the smallest city in Gilchrist County, with a population of 589.
There are 3 cities in Gilchrist County, Florida.