Nez Perce County's estimated 2026 population is 42,585 with a growth rate of -0.31% in the past year according to the most recent United States census data. Nez Perce County is the 11th largest county in Idaho. The 2010 population was 39,317 and has seen a growth of 8.31% since that time.
Data after 2023 is projected based on recent change
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.
White (88.36%)
Two or more races (5.1%)
Native American (4.5%)
Asian (0.86%)
Other race (0.77%)
Native Hawaiian or Pacific Islander (0.31%)
Black or African American (0.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 37,533 | 88.36% |
| Two or more races | 2,168 | 5.1% |
| Native American | 1,911 | 4.5% |
| Asian | 366 | 0.86% |
| Other race | 326 | 0.77% |
| Native Hawaiian or Pacific Islander | 130 | 0.31% |
| Black or African American | 43 | 0.1% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $101,269 | - |
| Families | $91,340 | $108,448 |
| Households | $71,466 | $91,289 |
| Non Families | $38,083 | $54,714 |
Average Income
Median Household Income
Poverty Rate
