3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Alliance | 1 | 8,048 | 8,162 | -0.28% | 1,644 | 5 | City |
| Hemingford | 2 | 764 | 771 | -0.26% | 1,125 | 1 | Village |
| Berea | 3 | 38 | 36 | 8.57% | 32 | 1 | CDP |
Alliance is the largest city in Box Butte County, with a population of 8,048.
Berea is the smallest city in Box Butte County, with a population of 38.
There are 3 cities in Box Butte County, Nebraska.