3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Johns Creek | 1 | 80,458 | 82,585 | -0.44% | 2,611 | 31 | City |
| Sugar Hill | 2 | 30,329 | 25,135 | 2.94% | 2,714 | 11 | City |
| Cumming | 3 | 11,583 | 7,359 | 6.47% | 1,536 | 8 | City |
Johns Creek is the largest city in Forsyth County, with a population of 80,458.
Cumming is the smallest city in Forsyth County, with a population of 11,583.
There are 3 cities in Forsyth County, Georgia.