Nez Perce County's estimated 2026 population is 42,916 with a growth rate of 0.03% 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 9.15% since that time.
Data after 2023 is projected based on recent change
Overall: 41.2 years
Female: 41.9 years
Male: 40.3 years
There are 33,634 adults, (8,998 of whom are seniors) in Nez Perce County.
Female: 21,417 (50.2%)
Male: 21,280 (49.8%)
The racial composition of Nez Perce County includes 87.73% White, 4.42% Native American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander, Black or African American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 37,457 | 87.73% |
| Two or more races | 2,425 | 5.68% |
| Native American | 1,889 | 4.42% |
| Asian | 368 | 0.86% |
| Other race | 366 | 0.86% |
| Native Hawaiian or Pacific Islander | 109 | 0.26% |
| Black or African American | 83 | 0.19% |
Nez Perce County's average per capita income is $49,732. Household income levels show a median of $72,599. The poverty rate stands at 12.25%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,980 | $116,753 |
| Families | $92,142 | $107,802 |
| Households | $72,599 | $91,379 |
| Non Families | $39,742 | $56,270 |
Average Income
Median Household Income
Poverty Rate
