1 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Blairsville | 1 | 895 | 619 | 6.55% | 809 | 1.11 | City |
Blairsville is the largest city in Union County, with a population of 895.
Blairsville is the smallest city in Union County.
There is 1 city in Union County, Georgia.