3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rincon | 1 | 12,040 | 11,022 | 1.43% | 1,235 | 10 | City |
| Springfield | 2 | 3,482 | 2,705 | 3.88% | 869 | 4 | City |
| Guyton | 3 | 3,410 | 2,356 | 5.44% | 883 | 4 | City |
Rincon is the largest city in Effingham County, with a population of 12,040.
Guyton is the smallest city in Effingham County, with a population of 3,410.
There are 3 cities in Effingham County, Georgia.