3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Payette | 1 | 9,031 | 8,200 | 1.56% | 2,208 | 4 | City |
| Fruitland | 2 | 7,560 | 6,114 | 3.29% | 2,789 | 3 | City |
| New Plymouth | 3 | 1,654 | 1,515 | 1.41% | 2,404 | 1 | City |
Payette is the largest city in Payette County, with a population of 9,031.
New Plymouth is the smallest city in Payette County, with a population of 1,654.
There are 3 cities in Payette County, Idaho.