Nez Perce County Flag

Nez Perce County

State:
Idaho
County Seat:
Lewiston

Nez Perce County's estimated 2025 population is 43,143 with a growth rate of 0.18% in the past year according to the most recent United States census data. Nez Perce County is the 10th largest county in Idaho. The 2010 population was 39,317 and has seen a growth of 9.73% since that time.

43,143
Total Population
51
Population Density (mi²)
10
Population Rank (State)
78 0.18%
Annual Population Growth

Nez Perce County Population

Nez Perce County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Nez Perce County includes 88.36% White, 4.5% Native American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander, Black or African American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White37,53388.36%
Two or more races2,1685.1%
Native American1,9114.5%
Asian3660.86%
Other race3260.77%
Native Hawaiian or Pacific Islander1300.31%
Black or African American430.1%

Nez Perce County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Nez Perce County's average per capita income is $48,216. Household income levels show a median of $71,466. The poverty rate stands at 13.11%.

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$101,269-
Families$91,340$108,448
Households$71,466$91,289
Non Families$38,083$54,714

$48,216

Average Income

$71,466

Median Household Income

13.11%

Poverty Rate