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Cassia County, Idaho

Cassia County profile, demographic data, and geographic information.

Cassia County is a county located in Idaho, United States of America. As of official census estimates, it has a reported population of 26,397. The land area covers 2,565.61 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Cassia County
Official Title: Administrative Assistant
Address: 1459 OVERLAND AVE, BURLEY ID 83318-1862

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 26,397 — 2025 / Census
Median Age 33.2 yrs ±0.4 2020-2024 / Census ACS 5-Year 2024
Total Households 8,495 ±184 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 9,096 ±29
Occupied Housing Units 8,495 ±184
Vacant Housing Units 601 ±183
Median Home Value $284,600 ±$17,279
Median Gross Rent $1,000 ±$64
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $70,830 ±$5,163
Per Capita Income $32,041 ±$3,016
Poverty Rate 12.4% ±3.6%
Population Below Poverty Level 3,119 ±895
Unemployment Rate 2.4% ±1.1%
Civilian Labor Force, Employed 11,620 ±485
Broadband Internet Rate 88.1% ±1.9%
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 MALTA, ID US, located 13.3 miles from Cassia County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 36.3° 17.1° 26.7° 0.70" 4.2"
February 41.5° 20.3° 30.9° 0.41" 1.9"
March 52.2° 24.4° 38.3° 0.75" 1.2"
April 58.1° 30.0° 44.1° 1.01" 1.2"
May 67.8° 36.5° 52.2° 1.46" 0.0"
June 77.9° 42.4° 60.2° 0.65" 0.0"
July 87.6° 48.4° 68.0° 0.73" 0.0"
August 86.5° 47.6° 67.1° 0.92" 0.0"
September 76.7° 39.8° 58.2° 0.88" 0.0"
October 62.7° 30.8° 46.8° 0.82" 0.0"
November 47.5° 23.0° 35.2° 0.58" 0.3"
December 36.3° 16.6° 26.5° 0.70" 3.1"
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: 16031. • 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.