8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hastings | 1 | 24,733 | 25,140 | -0.33% | 1,663 | 14.88 | City |
| Kenesaw | 2 | 922 | 907 | 0.33% | 872 | 1.06 | Village |
| Juniata | 3 | 738 | 748 | -0.27% | 1,093 | 0.68 | Village |
| Roseland | 4 | 256 | 260 | -0.39% | 928 | 0.28 | Village |
| Holstein | 5 | 185 | 187 | 0% | 731 | 0.25 | Village |
| Ayr | 6 | 83 | 87 | -1.19% | 343 | 0.24 | Village |
| Prosser | 7 | 75 | 75 | 0% | 306 | 0.24 | Village |
| Cowles | 8 | 22 | 22 | 0% | 40 | 0.56 | Village |
Hastings is the largest city in Adams County, with a population of 24,733.
Cowles is the smallest city in Adams County.
There are 8 cities in Adams County, Nebraska.