| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Buena Vista | 1 | 1,581 | 1,592 | -0.13% | 491 | 3 | City |
Buena Vista is the largest city in Marion County, with a population of 1,581.
Buena Vista is the smallest city in Marion County, with a population of 1,581.
There is 1 city in Marion County, Georgia.