Nampa
- County:
- Canyon County
- County Seat:
- No
- Area (mi²):
- 36.068
- State:
- Idaho
Nampa is a city located in Canyon County, Idaho. Nampa has a 2026 population of 117,350. Nampa is currently growing at a rate of 2.2% annually and its population has increased by 15.7% since the most recent census, which recorded a population of 101,430 in 2020.