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Nez Perce County, Idaho

Nez Perce County profile, demographic data, and geographic information.

Nez Perce County is a county located in Idaho, United States of America. As of official census estimates, it has a reported population of 42,905. The land area covers 848.32 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Nez Perce County
Official Title: Commissioner
Address: PO BOX 896, LEWISTON ID 83501-0896

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 42,905 — 2025 / Census
Median Age 41.2 yrs ±0.4 2020-2024 / Census ACS 5-Year 2024
Total Households 17,270 ±241 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 18,578 ±36
Occupied Housing Units 17,270 ±241
Vacant Housing Units 1,308 ±242
Median Home Value $334,700 ±$10,110
Median Gross Rent $1,015 ±$63
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $72,599 ±$5,036
Per Capita Income $38,311 ±$1,856
Poverty Rate 12.2% ±2.1%
Population Below Poverty Level 5,061 ±874
Unemployment Rate 2.6% ±0.8%
Civilian Labor Force, Employed 19,864 ±684
Broadband Internet Rate 89.4% ±1.5%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at WINCHESTER, ID US, located 9.1 miles from Nez Perce County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 36.6° 22.8° 29.7° 1.75" 17.9"
February 39.2° 23.3° 31.2° 1.55" 13.1"
March 45.0° 27.3° 36.1° 2.33" 15.8"
April 51.5° 32.0° 41.7° 2.68" 9.1"
May 60.0° 38.5° 49.2° 2.76" 1.6"
June 66.9° 43.4° 55.1° 2.37" 0.3"
July 78.1° 48.8° 63.5° 0.84" 0.0"
August 79.0° 48.5° 63.8° 0.71" 0.0"
September 69.8° 42.3° 56.1° 1.05" 0.0"
October 55.6° 34.6° 45.1° 1.84" 1.1"
November 42.5° 27.8° 35.2° 2.11" 13.1"
December 34.9° 22.2° 28.6° 1.78" 14.5"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 16069. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.