| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hinesville | 1 | 37,039 | 35,055 | 1% | 1,699 | 22 | City |
| Walthourville | 2 | 4,067 | 3,661 | 1.6% | 1,058 | 4 | City |
| Midway | 3 | 2,414 | 2,230 | 1.13% | 375 | 6 | City |
| Allenhurst | 4 | 919 | 824 | 1.66% | 842 | 1 | City |
| Flemington | 5 | 892 | 814 | 1.36% | 187 | 5 | City |
| Riceboro | 6 | 688 | 610 | 1.78% | 62 | 11 | City |
| Gumbranch | 7 | 265 | 235 | 1.53% | 328 | 1 | City |
Hinesville is the largest city in Liberty County, with a population of 37,039.
Gumbranch is the smallest city in Liberty County, with a population of 265.
There are 7 cities in Liberty County, Georgia.