11 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Seward | 1 | 7,780 | 7,696 | 0.18% | 1,770 | 4 | City |
| Milford | 2 | 2,243 | 2,146 | 0.72% | 2,825 | 1 | City |
| Utica | 3 | 824 | 838 | -0.24% | 1,787 | 0 | Village |
| Beaver Crossing | 4 | 363 | 369 | -0.27% | 554 | 1 | Village |
| Staplehurst | 5 | 224 | 236 | -0.88% | 1,792 | 0 | Village |
| Pleasant Dale | 6 | 212 | 224 | -0.93% | 1,876 | 0 | Village |
| Garland | 7 | 208 | 210 | 0% | 1,238 | 0 | Village |
| Goehner | 8 | 172 | 183 | -1.15% | 989 | 0 | Village |
| Bee | 9 | 165 | 171 | -0.6% | 660 | 0 | Village |
| Cordova | 10 | 95 | 92 | 1.06% | 382 | 0 | Village |
| Thayer | 11 | 52 | 49 | 1.96% | 184 | 0 | Village |
Seward is the largest city in Seward County, with a population of 7,780.
Thayer is the smallest city in Seward County, with a population of 52.
There are 11 cities in Seward County, Nebraska.