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County ProfileID

Cassia County

Population: 24,655 · 6 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
24,655
People
Median age
33.2
Housing
Total households
8,495
Income
Median household income
$70,830
Housing
Total housing units
9,096
Employment
Employment rate
62.2%
Education
Bachelor’s degree or higher
21.3%
Healthcare
Insured population
88.3%
County details
Local time 03:23:43(MT)
NameCassia
Total ZIP codes6total
ZIP codes (by type)
5 Standard1 PO Box
Area code208, 986
TimezoneMountain Time (MT)
Coordinates42.282313, -113.6263276
Land area2,565.6 sq miles(6,644.9 km²)

Map of Cassia county, Idaho with ZIP codes

Map of Cassia County, Idaho and ZIP codes

Cities and Communities in Cassia County

Compare the largest cities in Cassia County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Burley11,704$67,4681ZIPs
Oakley786$78,7501ZIPs
Declo338$46,7821ZIPs
Albion234$68,1251ZIPs
Almo1711ZIPs
Malta167$55,6821ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Cassia County

Review the most populated postal areas across Cassia County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
83318Burley$71,28218,990
83323Declo$60,6251,962
83346Oakley$70,1141,459
83342Malta$56,8181,169
83311Albion$101,167560
83312Almo$57,155171

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS