| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| David City | 1 | 3,077 | 3,000 | 0.29% | 734 | 4 | City |
| Bellwood | 2 | 416 | 405 | 0.48% | 1,778 | 0 | Village |
| Rising City | 3 | 363 | 358 | 0.28% | 1,011 | 0 | Village |
| Brainard | 4 | 357 | 337 | 1.13% | 1,152 | 0 | Village |
| Dwight | 5 | 236 | 228 | 0.43% | 979 | 0 | Village |
| Ulysses | 6 | 190 | 189 | 0% | 876 | 0 | Village |
| Octavia | 7 | 106 | 107 | -0.93% | 646 | 0 | Village |
| Bruno | 8 | 94 | 95 | -1.05% | 352 | 0 | Village |
| Linwood | 9 | 93 | 92 | 0% | 245 | 0 | Village |
| Richland | 10 | 85 | 75 | 2.41% | 397 | 0 | Village |
| Abie | 11 | 67 | 66 | 0% | 720 | 0 | Village |
| Garrison | 12 | 56 | 55 | 0% | 519 | 0 | Village |
| Surprise | 13 | 40 | 39 | 0% | 102 | 0 | Village |
David City is the largest city in Butler County, with a population of 3,077.
Surprise is the smallest city in Butler County, with a population of 40.
There are 13 cities in Butler County, Nebraska.