Founded in 1864, Nez Perce County is one of 44 counties in the state of Idaho. The city of Lewiston is the county seat. With FIPS code of 69, Nez Perce County has a population of 42,454 and area of 849 square miles (2,199 km2).
List of all cities in Nez Perce County, ID alphabetically
| City/Town | Postal Code | Area Code |
| Culdesac, ID | 83524 | 208 |
| Lapwai, ID | 83540 | 208 |
| Lewiston, ID | 83501 | 208 |
| Peck, ID | 83545 | 208 |
| Spalding, ID | 83540 | 208 |
| Sweetwater, ID | 83540 | 208 |