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Blaine County, Idaho

Blaine County profile, demographic data, and geographic information.

Blaine County is a county located in Idaho, United States of America. As of official census estimates, it has a reported population of 25,517. The land area covers 2,637.74 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Blaine County
Official Title: County Administrator
Address: 206 S 1ST AVE, STE 300, HAILEY ID 83333-8429

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 25,517 — 2025 / Census
Median Age 45.6 yrs ±0.8 2020-2024 / Census ACS 5-Year 2024
Total Households 10,413 ±428 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 15,989 ±36
Occupied Housing Units 10,413 ±428
Vacant Housing Units 5,576 ±434
Median Home Value $735,300 ±$68,817
Median Gross Rent $1,338 ±$227
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $92,566 ±$6,339
Per Capita Income $57,942 ±$6,233
Poverty Rate 6.6% ±2.1%
Population Below Poverty Level 1,644 ±525
Unemployment Rate 2.1% ±1%
Civilian Labor Force, Employed 14,288 ±554
Broadband Internet Rate 95.8% ±2.4%
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 PICABO, ID US, located 8.1 miles from Blaine County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 31.8° 7.1° 19.4° 1.78" 13.9"
February 36.4° 10.1° 23.3° 1.15" 8.5"
March 46.5° 19.3° 32.9° 1.52" 2.8"
April 57.1° 25.3° 41.2° 1.09" 0.8"
May 67.1° 34.1° 50.6° 1.45" 0.0"
June 76.1° 39.0° 57.6° 0.86" 0.0"
July 86.8° 46.2° 66.5° 0.31" 0.0"
August 85.5° 45.0° 65.2° 0.23" 0.0"
September 75.6° 37.4° 56.5° 0.58" 0.0"
October 60.6° 27.3° 44.0° 1.15" 0.3"
November 44.5° 18.1° 31.3° 1.05" 4.1"
December 32.3° 9.3° 20.8° 1.80" 15.2"
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: 16013. • 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.