12 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Seward | 1 | 7,766 | 7,696 | 0.18% | 1,767 | 4 | City |
| Milford | 2 | 2,227 | 2,146 | 0.72% | 2,805 | 1 | City |
| Utica | 3 | 826 | 838 | -0.36% | 1,792 | 0 | Village |
| Beaver Crossing | 4 | 364 | 369 | -0.27% | 556 | 1 | Village |
| Staplehurst | 5 | 226 | 236 | -0.88% | 1,808 | 0 | Village |
| Pleasant Dale | 6 | 214 | 224 | -0.93% | 1,894 | 0 | Village |
| Garland | 7 | 208 | 210 | -0.48% | 1,238 | 0 | Village |
| Goehner | 8 | 174 | 183 | -1.14% | 1,000 | 0 | Village |
| Bee | 9 | 166 | 171 | -0.6% | 664 | 0 | Village |
| Cordova | 10 | 94 | 92 | 0% | 378 | 0 | Village |
| Thayer | 11 | 51 | 49 | 0% | 181 | 0 | Village |
| Tamora | 12 | 15 | 19 | 7.14% | 15 | 1 | CDP |
Seward is the largest city in Seward County, with a population of 7,766.
Tamora is the smallest city in Seward County, with a population of 15.
There are 12 cities in Seward County, Nebraska.