36 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Beatrice | 1 | 12,324 | 12,222 | 0.14% | 1,261 | 10 | City |
| Blue Springs-Wymore | 2 | 1,739 | 1,767 | 0% | 49 | 35 | Township |
| Wymore | 3 | 1,331 | 1,372 | -0.52% | 745 | 2 | City |
| Adams | 4 | 953 | 927 | 0.32% | 28 | 34 | Township |
| Highland | 5 | 927 | 924 | 0.32% | 26 | 35 | Township |
| Adams | 6 | 630 | 597 | 0.96% | 1,059 | 1 | Village |
| Cortland | 7 | 515 | 515 | 0% | 1,936 | 0 | Village |
| De Witt | 8 | 509 | 524 | -0.39% | 1,195 | 0 | Village |
| Clatonia | 9 | 480 | 481 | 0% | 13 | 36 | Township |
| Holt | 10 | 463 | 460 | 0.43% | 13 | 36 | Township |
| Riverside | 11 | 390 | 393 | 0% | 12 | 33 | Township |
| Midland | 12 | 369 | 363 | 0.82% | 13 | 29 | Township |
| Paddock | 13 | 332 | 334 | 0% | 9 | 36 | Township |
| Blakely | 14 | 306 | 308 | 0% | 9 | 35 | Township |
| Rockford | 15 | 295 | 294 | 0.34% | 8 | 35 | Township |
| Filley | 16 | 288 | 290 | 0% | 8 | 35 | Township |
| Blue Springs | 17 | 277 | 279 | 0% | 354 | 1 | City |
| Clatonia | 18 | 262 | 264 | 0% | 963 | 0 | Village |
| Odell | 19 | 254 | 262 | -0.39% | 934 | 0 | Village |
| Logan | 20 | 246 | 247 | 0% | 7 | 35 | Township |
| Hanover | 21 | 220 | 216 | 0.92% | 6 | 36 | Township |
| Liberty | 22 | 206 | 204 | 0.49% | 6 | 36 | Township |
| Sherman | 23 | 203 | 204 | 0% | 6 | 36 | Township |
| Pickrell | 24 | 191 | 191 | 0% | 1,785 | 0 | Village |
| Glenwood | 25 | 186 | 189 | 0% | 5 | 36 | Township |
| Sicily | 26 | 184 | 184 | 0% | 5 | 36 | Township |
| Barneston | 27 | 172 | 166 | 1.78% | 5 | 36 | Township |
| Hooker | 28 | 165 | 165 | 0% | 5 | 34 | Township |
| Elm | 29 | 135 | 137 | 0% | 4 | 35 | Township |
| Filley | 30 | 118 | 121 | 0% | 1,083 | 0 | Village |
| Liberty | 31 | 94 | 95 | 0% | 3 | 36 | Township |
| Barneston | 32 | 88 | 90 | 0% | 361 | 0 | Village |
| Virginia | 33 | 70 | 72 | 0% | 707 | 0 | Village |
| Island Grove | 34 | 67 | 68 | 0% | 2 | 36 | Township |
| Liberty | 35 | 38 | 38 | 0% | 154 | 0 | Village |
| Liberty | 36 | 34 | 34 | 0% | 1 | 36 | Township |
Beatrice is the largest city in Gage County, with a population of 12,324.
Liberty is the smallest city in Gage County, with a population of 34.
There are 36 cities in Gage County, Nebraska.