24 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Logan | 1 | 56,860 | 52,835 | 1.44% | 3,150 | 18.05 | City |
| Smithfield | 2 | 15,424 | 13,678 | 2.32% | 2,568 | 6.01 | City |
| North Logan | 3 | 12,190 | 10,992 | 2.01% | 1,713 | 7.12 | City |
| Hyrum | 4 | 11,792 | 9,434 | 4.17% | 1,894 | 6.23 | City |
| Providence | 5 | 9,922 | 8,284 | 3.42% | 2,399 | 4.14 | City |
| Nibley | 6 | 8,893 | 7,338 | 3.62% | 1,969 | 4.52 | City |
| Hyde Park | 7 | 5,962 | 5,249 | 2.46% | 1,245 | 4.79 | City |
| Wellsville | 8 | 4,260 | 4,094 | 0.78% | 583 | 7.31 | City |
| Richmond | 9 | 3,094 | 2,939 | 1.01% | 888 | 3.48 | City |
| Millville | 10 | 2,545 | 2,352 | 1.56% | 999 | 2.55 | City |
| River Heights | 11 | 2,193 | 2,160 | 0.32% | 3,323 | 0.66 | City |
| Lewiston | 12 | 1,972 | 1,937 | 0.36% | 77 | 25.75 | City |
| Benson | 13 | 1,899 | 1,793 | 1.5% | 63 | 30.12 | CDP |
| Mendon | 14 | 1,330 | 1,339 | -0.15% | 844 | 1.57 | City |
| Paradise | 15 | 1,060 | 979 | 1.53% | 731 | 1.45 | Town |
| Newton | 16 | 854 | 791 | 1.55% | 993 | 0.86 | Town |
| Clarkston | 17 | 758 | 755 | 0.13% | 818 | 0.93 | Town |
| Avon | 18 | 582 | 368 | 2.46% | 82 | 7.10 | CDP |
| Trenton | 19 | 535 | 515 | 0.75% | 65 | 8.21 | Town |
| Amalga | 20 | 520 | 487 | 1.36% | 151 | 3.45 | Town |
| Cove | 21 | 479 | 492 | 0.21% | 33 | 14.71 | CDP |
| Cornish | 22 | 285 | 277 | 0.71% | 53 | 5.39 | Town |
| Peter | 23 | 264 | 394 | -1.49% | 12 | 21.38 | CDP |
| Cache | 24 | 131 | 120 | 7.38% | 23 | 5.75 | CDP |
Logan is the largest city in Cache County, with a population of 56,860.
Cache is the smallest city in Cache County.
There are 24 cities in Cache County, Utah.