| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Blairsville | 1 | 931 | 631 | 6.04% | 748 | 1 | City |
Blairsville is the largest city in Union County, with a population of 931.
Blairsville is the smallest city in Union County, with a population of 931.
There is 1 city in Union County, Georgia.