Population
42,905
2025
+1.8% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Nez Perce County had an estimated 42,905 residents in 2025, up 1.8% (757 more people) since 2020. That is slower than Idaho as a whole (+9.8%), and the 43rd fastest growth of 43 counties in Idaho.
Data as of 2025 · updated
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42,905
2025
+1.8% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
+171
2025
4.0 per 1,000 residents
+1,604 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
3.7%
2025
+0.7 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
272
2025
+183.3% since 2021
6.3 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
$72,599
2020–24
+27.1% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
17,985
2023
+2.2% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
Net domestic migration added 171 people in 2025: more people moved in from other U.S. counties than moved out.
Private employers had 17,985 paid employees in mid-March 2023, +2.2% since 2018 (County Business Patterns).
Unemployment averaged 3.7% in 2025, 0.7 points higher than in 2019 (before the pandemic).
Builders were authorized to start 272 new homes in 2025, or 6.3 per 1,000 residents.
Median household income was $72,599 in the 2020–24 American Community Survey, +27.1% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 1,332nd.
Part of the Lewiston, ID-WA metro area.
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| Year | Population | Change |
|---|---|---|
| 2025 | 42,905 | +11 |
| 2024 | 42,894 | −60 |
| 2023 | 42,954 | −44 |
| 2022 | 42,998 | +483 |
| 2021 | 42,515 | +367 |
| 2020 | 42,148 | – |
Census Bureau population estimates, July 1 of each year.
Nez Perce County grew by 757 people since 2020; the largest part came from domestic migration (+1,604).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | −153 | −944 | |
| International migrationfrom and to other countries | −10 | +103 | |
| Domestic migrationfrom and to other U.S. counties | +171 | +1,604 | |
| Census adjustmentbalancing residual | +3 | −6 | |
| Total change | +11 | +757 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
| Measure | In Idaho | Among U.S. counties |
|---|---|---|
| Population growth | 43rd of 43 | 1,332nd of 3,107 |
| Net domestic migration per 1,000 residents | 25th of 43 | 1,224th of 3,108 |
| Private-sector job growth | 40th of 43 | 1,567th of 3,092 |
| Median household income | 14th of 43 | 997th of 3,107 |
| Lowest unemployment rate | 21st of 43 | 1,148th of 3,108 |
| New homes permitted per 1,000 residents | 19th of 43 | 431st of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
The County Growth and Demographics Report for Nez Perce County, ID as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.
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Over 2020–25, Nez Perce County's population change (+1.8%) was ahead of 2 of its 7 neighbouring counties and behind 5.
Its median household income ($72,599, 2020–24) is higher than in all 7 of its neighbouring counties.
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Nez Perce County, ID This county | 42,905 | +1.8% | 4.0 | 6.3 | $72,599 |
| Asotin County, WA | 22,545 | +1.0% | −0.8 | 1.6 | $72,283 |
| Lewis County, ID | 3,704 | +4.8% | 5.4 | 11.1 | $51,615 |
| Latah County, ID | 41,842 | +5.6% | −5.5 | 5.7 | $65,424 |
| Wallowa County, OR | 7,595 | +2.6% | 1.7 | 2.4 | $67,112 |
| Whitman County, WA | 48,512 | +1.5% | 5.2 | 0.5 | $55,406 |
| Clearwater County, ID | 9,118 | +4.1% | 5.0 | 4.2 | $60,000 |
| Idaho County, ID | 17,874 | +7.7% | 2.7 | 0.3 | $66,325 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
Yes. Its population grew 1.8% between 2020 and 2025, about 757 more people (Census Bureau population estimates). Idaho as a whole changed +9.8% over the same years. That ranks 43rd of 43 counties in Idaho for population growth.
On net, about 171 people in 2025: that many more moved in from other U.S. counties than moved out (Census Bureau net domestic migration estimate).
It averaged 3.7% in 2025 (BLS Local Area Unemployment Statistics, annual average).
About 42,905 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
Private employers there had 17,985 paid employees in mid-March 2023, +2.2% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Idaho county pages carry the public federal growth figures.
Email me when Nez Perce County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.