11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Moscow | 1 | 26,968 | 25,515 | 1.09% | 3,903 | 6.91 | City |
| Genesee | 2 | 1,105 | 1,030 | 1.38% | 1,800 | 0.61 | City |
| Troy | 3 | 945 | 894 | 1.07% | 1,195 | 0.79 | City |
| Potlatch | 4 | 807 | 769 | 1% | 1,735 | 0.47 | City |
| Juliaetta | 5 | 647 | 621 | 0.78% | 927 | 0.70 | City |
| Deary | 6 | 533 | 507 | 0.95% | 810 | 0.66 | City |
| Kendrick | 7 | 300 | 290 | 0.67% | 833 | 0.36 | City |
| Onaway | 8 | 223 | 197 | 2.29% | 1,487 | 0.15 | City |
| Bovill | 9 | 202 | 191 | 1% | 1,270 | 0.16 | City |
| Princeton | 10 | 149 | 123 | 0% | 234 | 0.64 | CDP |
| Viola | 11 | 71 | 90 | 7.58% | 70 | 1.01 | CDP |
Moscow is the largest city in Latah County, with a population of 26,968.
Viola is the smallest city in Latah County.
There are 11 cities in Latah County, Idaho.