| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Trenton | 1 | 2,354 | 2,024 | 2.53% | 694 | 3 | City |
| Fanning Springs | 2 | 1,386 | 1,177 | 2.74% | 285 | 5 | City |
| Bell | 3 | 595 | 503 | 2.76% | 363 | 2 | Town |
Trenton is the largest city in Gilchrist County, with a population of 2,354.
Bell is the smallest city in Gilchrist County, with a population of 595.
There are 3 cities in Gilchrist County, Florida.