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

Nampa Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Nampa includes 75.36% White, 9.88% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White80,10275.36%
Two or more races12,17011.45%
Other race10,5009.88%
Black or African American1,2661.19%
Native American1,1971.13%
Asian7480.7%
Native Hawaiian or Pacific Islander3060.29%

Nampa Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Nampa's average per capita income is $41,708. Household income levels show a median of $72,122. The poverty rate stands at 10.46%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$88,653$102,460
Families$82,730$94,249
Households$72,122$86,266
Non Families$45,988$58,265

$41,708

Average Income

$72,122

Median Household Income

10.46%

Poverty Rate

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)