| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Beatrice | 1 | 12,333 | 12,228 | 0.12% | 1,261 | 10 | City |
| Wymore | 2 | 1,334 | 1,372 | -0.52% | 747 | 2 | City |
| Adams | 3 | 627 | 599 | 0.64% | 1,054 | 1 | Village |
| De Witt | 4 | 520 | 523 | 0% | 1,221 | 0 | Village |
| Cortland | 5 | 515 | 515 | 0% | 1,936 | 0 | Village |
| Blue Springs | 6 | 277 | 279 | -0.36% | 354 | 1 | City |
| Clatonia | 7 | 259 | 262 | -0.38% | 952 | 0 | Village |
| Odell | 8 | 256 | 262 | -0.78% | 941 | 0 | Village |
| Pickrell | 9 | 189 | 189 | 0% | 1,766 | 0 | Village |
| Filley | 10 | 120 | 123 | -0.83% | 1,101 | 0 | Village |
| Barneston | 11 | 87 | 90 | -1.14% | 357 | 0 | Village |
| Virginia | 12 | 70 | 72 | -1.41% | 707 | 0 | Village |
| Liberty | 13 | 31 | 33 | -3.13% | 126 | 0 | Village |
Beatrice is the largest city in Gage County, with a population of 12,333.
Liberty is the smallest city in Gage County, with a population of 31.
There are 13 cities in Gage County, Nebraska.