Nez Perce County, Idaho Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Nez Perce County, ID Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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C
Income Below averageWealthier than 84% of counties in Idaho
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D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Nez Perce County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Population | 42,646 | 1,929,983 | 337,468,954 |
| Population density (per sq mi) | 49.8 | 23.1 | 86.4 |
| Population growth (%/yr) | 0.81% | 2.12% | 0.59% |
| Median age | 42.1 | 38.7 | 37.3 |
| Households | 17,268 | 712,816 | 130,235,071 |
Population in Nez Perce County grew by 10.2% from 2009 to 2024, reaching 42,646 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Nez Perce County is Gen Z, aged 13–28, at 20.3% of residents. That is 2.5 points below Idaho as a whole.
- Gen Z 13–28 8,657 20.3% -2.5 pts
- Millennials 29–44 8,238 19.3% -1.4 pts
- Gen X 45–60 8,569 20.1% +0.9 pts
- Boomers 61–79 8,339 19.6% +3.6 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Idaho, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.3% of the people living in Nez Perce County and men 49.7%.
- Women 50.3% Idaho 49.6%
- Men 49.7% Idaho 50.4%
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100% of everyone living in Nez Perce County
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Economy
Nez Perce County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Nez Perce County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Median household income | $72,066 | $78,141 | $80,455 |
| Income growth (%/yr) | 4.85% | 5.97% | 4.80% |
| Unemployment rate | 2.6% | 3.7% | 5.2% |
The median household income in Nez Perce County is about 8% lower than in Idaho.
Housing
| Metric | Nez Perce County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Median home price | $332,853 | $394,140 | $248,835 |
| Median rent | $1,015 | $1,236 | $1,407 |
| Homeownership rate | 70.5% | 72.3% | 65.2% |
The median home price in Nez Perce County is about 27.3 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,015 per month for that long.
Commute Time & Mobility
Commuters in Nez Perce County spend about 27 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 112 hours, about 4.7 full days, spent commuting.
| Metric | Nez Perce County | Idaho Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 13.5 | 18.0 | 22.4 |
| Round-trip commute (min) | 27.0 | 35.9 | 44.8 |
| Yearly time spent (hours) | 112 | 150 | 187 |
| Estimated yearly cost | $3,483 | $4,641 | $5,790 |
| Work from home | 9.3% | 13.3% | 15.0% |
| Highway traffic (vehicles/day) | 1,468 | 4,714 | 8,813 |
| Local road traffic (vehicles/day) | 1,345 | 865 | 1,355 |
Fastest commutes among counties in
Idaho:
Custer County (8.9 min), Lemhi County (11.6 min), Madison County (12.0 min).
Slowest:
Camas County (49.5 min), Boise County (38.0 min), Lincoln County (32.0 min).
The average commute time in Nez Perce County is 13 minutes, shorter than the 18 minutes in Idaho.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Nez Perce County has a education index of D, which means it is barely educated.
| Metric | Nez Perce County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 23.4% | 27.1% | 31.6% |
| Average household size | 2.40 | 2.64 | 2.53 |
Highest education index among counties in
Idaho:
Latah County (0.4), Teton County (0.3), Ada County (0.3).
Lowest:
Clark County (0.1), Owyhee County (0.2), Lincoln County (0.2).
Health
Nez Perce County has a health index of B, which means it is quite healthy.
| Metric | Nez Perce County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 78.2 | 79.5 | 78.3 |
| Self-rated poor health | 14.2% | 15.6% | 16.3% |
| Smokers | 15.3% | 17.6% | 19.0% |
Highest health index among counties in
Idaho:
Madison County (0.8), Latah County (0.8), Ada County (0.8).
Lowest:
Shoshone County (0.8), Washington County (0.8), Lincoln County (0.8).
Nez Perce County, ID Compared With Nearby Counties
How Nez Perce County, ID compares with the 2 counties closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Nez Perce County, ID | 42,646 | $72,066 #2/3 | $332,853 #1/3 | 13.5 min #2/3 |
| Asotin County, WA | 22,455 | $72,889 | $307,123 | 13.2 min |
| Latah County, ID | 41,044 | $65,983 | $307,459 | 15.6 min |
Frequently Asked Questions
Common questions about Nez Perce County, Idaho.
What is the population of Nez Perce County, Idaho?
About 42,646 people live in Nez Perce County, Idaho, in 17,268 households of 2.4 people on average. The median age is 42.1, so residents are older than the U.S. median of 37.3 by about 5 years.
Is Nez Perce County, Idaho urban or rural?
Averaged over its land area, Nez Perce County, Idaho has 50 people per square mile, a density typical of rural areas. That is about 58% of the U.S. average of 86.
Can a typical household afford a home in Nez Perce County, Idaho?
The median home costs 4.6 times the median household income ($332,853 against $72,066), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,015 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is unemployment high in Nez Perce County, Idaho?
Unemployment in Nez Perce County, Idaho is only 2.6%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How educated are people in Nez Perce County, Idaho?
23.4% of adults in Nez Perce County, Idaho hold a bachelor's degree or higher (about 1 in 4), well below the U.S. share of 31.6%.
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