
Nampa
- County:
- Canyon County
- County Seat:
- No
- Area (mi²):
- 34.773
- State:
- Idaho
Nampa is a city located in Canyon County, Idaho. Nampa has a 2025 population of 122,906. Nampa is currently growing at a rate of 3.64% annually and its population has increased by 21.32% since the most recent census, which recorded a population of 101,310 in 2020.
The average household income in Nampa is $86,266 with a poverty rate of 10.46%. The median age in Nampa is 34.1 years: 33.4 years for males, and 35 years for females.