7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Albion | 1 | 1,673 | 1,690 | -0.18% | 1,602 | 1.04 | City |
| St. Edward | 2 | 707 | 717 | -0.28% | 1,074 | 0.66 | City |
| Cedar Rapids | 3 | 373 | 383 | -0.53% | 1,042 | 0.36 | Village |
| Petersburg | 4 | 321 | 328 | -0.31% | 858 | 0.37 | Village |
| Loretto | 5 | 116 | 112 | 7.41% | 413 | 0.28 | CDP |
| Belgrade | 6 | 95 | 105 | -2.06% | 495 | 0.19 | Village |
| Primrose | 7 | 57 | 57 | 0% | 206 | 0.28 | Village |
Albion is the largest city in Boone County, with a population of 1,673.
Primrose is the smallest city in Boone County.
There are 7 cities in Boone County, Nebraska.