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Boundary County, Idaho

Boundary County profile, demographic data, and geographic information.

Boundary County is a county located in Idaho, United States of America. As of official census estimates, it has a reported population of 13,997. The land area covers 1,268.68 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Boundary County
Official Title: Chairman
Address: PO BOX 419, BONNERS FERRY ID 83805-0419

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 13,997 — 2025 / Census
Median Age 43.7 yrs ±0.6 2020-2024 / Census ACS 5-Year 2024
Total Households 5,046 ±225 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 5,615 ±21
Occupied Housing Units 5,046 ±225
Vacant Housing Units 569 ±224
Median Home Value $410,500 ±$34,359
Median Gross Rent $877 ±$61
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $67,237 ±$10,845
Per Capita Income $33,579 ±$3,174
Poverty Rate 13.6% ±4.1%
Population Below Poverty Level 1,777 ±531
Unemployment Rate 2.6% ±2.2%
Civilian Labor Force, Employed 4,963 ±315
Broadband Internet Rate 90.8% ±2.2%
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 BONNERS FERRY, ID US, located 13.1 miles from Boundary County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 33.7° 23.7° 28.7° 2.63" 15.0"
February 38.6° 24.6° 31.6° 1.83" 10.8"
March 48.4° 29.7° 39.0° 2.01" 3.7"
April 59.2° 35.5° 47.3° 1.26" 0.4"
May 69.4° 43.1° 56.3° 1.78" 0.0"
June 74.6° 49.2° 61.9° 1.92" 0.0"
July 84.8° 53.2° 69.0° 0.64" 0.0"
August 84.7° 52.0° 68.3° 0.53" 0.0"
September 73.3° 44.5° 58.9° 1.02" 0.0"
October 56.3° 35.6° 45.9° 1.73" 0.2"
November 41.5° 29.7° 35.6° 2.55" 6.4"
December 33.1° 23.8° 28.5° 3.17" 17.3"
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: 16021. • 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.