8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| St. Simons | 1 | 16,793 | 15,291 | 1.63% | 1,019 | 16 | CDP |
| Brunswick | 2 | 15,595 | 15,216 | 0.48% | 916 | 17 | City |
| Brunswick | 3 | 15,595 | 15,219 | 0.48% | 916 | 17 | City |
| Country Club Estates | 4 | 9,185 | 9,408 | 0.47% | 1,984 | 5 | CDP |
| Dock Junction | 5 | 8,290 | 7,500 | 0.46% | 883 | 9 | CDP |
| Sterling | 6 | 2,379 | 1,909 | 7.16% | 552 | 4 | CDP |
| Jekyll Island | 7 | 1,182 | 1,116 | 7.07% | 132 | 9 | CDP |
| Everett | 8 | 68 | 265 | 7.94% | 83 | 1 | CDP |
St. Simons is the largest city in Glynn County, with a population of 16,793.
Everett is the smallest city in Glynn County, with a population of 68.
There are 8 cities in Glynn County, Georgia.