Nampa Flag

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 125,310. Nampa is currently growing at a rate of 3.28% annually and its population has increased by 23.54% since the most recent census, which recorded a population of 101,430 in 2020.

The median household income in Nampa is $74,279 with a poverty rate of 11.49%. The median age in Nampa is 33.9 years: 33.2 years for males, and 35 years for females. For every 100 females there are 98.3 males.

125.3K
Total Population
3,474
Density (mi²)
4K 3.28%
Growth

Nampa Population

Nampa Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026125,3103,9803.28%
2025121,3303,9803.39%
2024117,3502,5252.2%
2023114,8253,5963.23%
2022111,2294,6124.33%
2021106,6175,1875.11%
2020101,4301,0021%
201999,5023,1153.23%
201896,3872,5832.75%
201793,8042,5912.84%
201691,2131,6201.81%
201589,5931,6391.86%
201487,9541,5301.77%
201386,4242,4492.92%
201283,9751,2321.49%
201182,7437280.89%
201082,0154580.56%
200051,86723,50282.86%
199028,3653,25312.95%
198025,1124,34420.92%
197020,7681,8719.9%
196018,8972,71216.76%
195016,1854,03633.22%
194012,1493,94348.05%
19308,2065857.68%
19207,6213,41681.24%
19104,2053,805951.25%
190040000%

Median Age

Overall: 33.9 years
Female: 35 years
Male: 33.2 years

Nampa Adults

There are 82,528 adults, (16,012 of whom are seniors) in Nampa.

Sex Ratio

Female: 55,634 (50.4%)
Male: 54,685 (49.6%)

Demographics

The racial composition of Nampa includes 73.67% White, 8.96% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White81,27673.67%
Two or more races15,46014.01%
Other race9,8808.96%
Black or African American1,3561.23%
Native American1,2821.16%
Asian7450.68%
Native Hawaiian or Pacific Islander3200.29%
Race
Population ↓
Percentage (of total)
Two or more races10,7969.79%
Other race8,9358.1%
White7,0176.36%
Native American9550.87%
Native Hawaiian or Pacific Islander2410.22%
Black or African American710.06%
Asian440.04%
Race
Population ↓
Percentage (of total)
White74,25967.31%
Two or more races4,6644.23%
Black or African American1,2851.16%
Other race9450.86%
Asian7010.64%
Native American3270.3%
Native Hawaiian or Pacific Islander790.07%

Nampa Marital Status

Economics and Income Statistics

Nampa 's average per capita income is $42,867. Household income levels show a median of $74,279. The poverty rate stands at 11.49%.

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$90,795$107,698
Families$85,204$98,481
Households$74,279$89,670
Non Families$47,719$59,070

$42,867

Average Income

$74,279

Median Household Income

11.49%

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)