38 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Beatrice | 1 | 12,282 | 12,231 | 0.08% | 1,298 | 9.46 | City |
| Blue Springs-Wymore township | 2 | 1,738 | 1,769 | -0.06% | 49 | 35.47 | Township |
| Wymore | 3 | 1,326 | 1,371 | -0.67% | 742 | 1.79 | City |
| Adams township | 4 | 952 | 926 | 0.53% | 28 | 34.11 | Township |
| Highland township | 5 | 922 | 928 | 0% | 26 | 35.50 | Township |
| Adams | 6 | 628 | 598 | 0.96% | 1,055 | 0.59 | Village |
| Cortland | 7 | 512 | 517 | -0.19% | 1,925 | 0.27 | Village |
| De Witt | 8 | 504 | 529 | -0.98% | 1,183 | 0.43 | Village |
| Clatonia township | 9 | 482 | 479 | 0.42% | 13 | 35.82 | Township |
| Holt township | 10 | 462 | 457 | 0.65% | 13 | 35.77 | Township |
| Riverside township | 11 | 387 | 388 | 0.26% | 12 | 32.81 | Township |
| Midland township | 12 | 363 | 366 | 0% | 13 | 28.91 | Township |
| Paddock township | 13 | 326 | 330 | 0% | 9 | 35.70 | Township |
| Blakely township | 14 | 306 | 308 | 0% | 9 | 35.35 | Township |
| Filley township | 15 | 292 | 292 | 0.34% | 8 | 35.39 | Township |
| Rockford township | 16 | 284 | 286 | 0% | 8 | 35.28 | Township |
| Blue Springs | 17 | 273 | 277 | -0.36% | 349 | 0.78 | City |
| Clatonia | 18 | 260 | 262 | 0% | 956 | 0.27 | Village |
| Odell | 19 | 253 | 262 | -0.78% | 930 | 0.27 | Village |
| Logan township | 20 | 246 | 247 | 0% | 7 | 35.39 | Township |
| Hanover township | 21 | 226 | 220 | 1.35% | 6 | 35.73 | Township |
| Sherman township | 22 | 206 | 203 | 0.98% | 6 | 35.68 | Township |
| Liberty township | 23 | 201 | 201 | 0.5% | 6 | 35.77 | Township |
| Glenwood township | 24 | 186 | 189 | 0% | 5 | 35.85 | Township |
| Pickrell | 25 | 185 | 185 | 0% | 1,729 | 0.11 | Village |
| Sicily township | 26 | 183 | 183 | 0% | 5 | 35.81 | Township |
| Barneston township | 27 | 172 | 169 | 1.18% | 5 | 35.59 | Township |
| Hooker township | 28 | 167 | 165 | 0.6% | 5 | 33.98 | Township |
| Liberty township | 29 | 163 | 156 | 1.24% | 5 | 35.89 | Township |
| Elm township | 30 | 138 | 140 | 0% | 4 | 35.17 | Township |
| Filley | 31 | 119 | 123 | -0.83% | 1,092 | 0.11 | Village |
| Liberty township | 32 | 94 | 95 | 0% | 3 | 36.15 | Township |
| Holmesville | 33 | 91 | 27 | 7.06% | 406 | 0.22 | CDP |
| Barneston | 34 | 87 | 89 | 0% | 357 | 0.24 | Village |
| Virginia | 35 | 71 | 73 | 0% | 717 | 0.10 | Village |
| Island Grove township | 36 | 67 | 68 | 0% | 2 | 35.66 | Township |
| Liberty | 37 | 32 | 34 | 0% | 130 | 0.25 | Village |
| Liberty township | 38 | 29 | 29 | 0% | 1 | 35.84 | Township |
Beatrice is the largest city in Gage County, with a population of 12,282.
Liberty township is the smallest city in Gage County.
There are 38 cities in Gage County, Nebraska.