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 121,330 . Nampa is currently growing at a rate of 3.39% annually and its population has increased by 19.62% since the most recent census, which recorded a population of 101,430 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. For every 100 females there are 98.2 males.

121.3K
Total Population
3,489
Density (mi²)
4K 3.39%
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 (75.36%)

Two or more races (11.45%)

Other race (9.88%)

Black or African American (1.19%)

Native American (1.13%)

Asian (0.7%)

Native Hawaiian or Pacific Islander (0.29%)

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

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

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)