1 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ocilla | 1 | 2,780 | 3,462 | -4.7% | 1,092 | 3 | City |
Ocilla is the largest city in Irwin County, with a population of 2,780.
Ocilla is the smallest city in Irwin County, with a population of 2,780.
There is 1 city in Irwin County, Georgia.