Cassia County, Idaho ZIP Codes

Zip Code
City
Population ↓
83318Burley19,459
83323Declo1,984
83346Oakley1,451
83344Murtaugh1,234
83342Malta1,231
83311Albion903
83312Almo278

Overview of ZIP Codes in Cassia County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
7
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Cassia County, Idaho (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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