3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Payette | 1 | 8,932 | 8,192 | 1.69% | 2,183 | 4.09 | City |
| Fruitland | 2 | 7,392 | 6,109 | 3.6% | 3,079 | 2.40 | City |
| New Plymouth | 3 | 1,600 | 1,514 | 1.07% | 2,326 | 0.69 | City |
Payette is the largest city in Payette County, with a population of 8,932.
New Plymouth is the smallest city in Payette County.
There are 3 cities in Payette County, Idaho.