County · Idaho · United States
Cassia County ZIP codes
6 ZIP codes · 6 cities · FIPS 16031
Key facts
- State
- Idaho (ID)
- FIPS code
- 16031
- Population
- 25,165
- Median household income
- $67,042
- Median age
- 33.1
- Land area
- 2,565.6 sq mi (6,644.9 km²)
- Population density
- 10 / sq mi
- Area codes
- 208, 986
Cities and ZIP codes in Cassia County (6)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.