Nampa Flag

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.

122.9K
Total Population
3,535
Density (mi²)
4.3K 3.64%
Growth

Nampa Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)