Cassia County, Idaho ZIP codes
7 ZIP codes are in Cassia County, plus 2 that cross in from neighboring counties. It's part of the Burley, ID micro area.
- ZIP codes
- 7
- Population in these ZIPs
- 26,540
- Avg. median income
- $70,300population-weighted
- Cities & towns
- 7
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Cassia County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 83311 | Albion | 903 | $101,167 | $413,500 |
| 83312 | Almo | 278 | $57,155 | $435,500 |
| 83318 | Burley | 19,459 | $71,282 | $329,800 |
| 83323 | Declo | 1,984 | $60,625 | $470,700 |
| 83342 | Malta | 1,231 | $56,818 | $395,700 |
| 83344 | Murtaugh | 1,234 | $65,417 | $473,700 |
| 83346 | Oakley | 1,451 | $70,114 | $364,700 |
ZIP codes partly in Cassia County
These ZIP codes are mostly in a neighboring county but cover part of Cassia County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 83211 | American Falls | Power County | 6,743 | $65,483 | $271,800 |
| 83350 | Rupert | Minidoka County | 12,671 | $61,806 | $319,800 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Cassia County
Nearby counties
Frequently asked questions
How many ZIP codes are in Cassia County, Idaho?
7 ZIP codes are mainly in Cassia County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Cassia County?
ZIP codes in Cassia County use the city names Albion, Almo, Burley, Declo, Malta, Murtaugh and Oakley.
What metro area is Cassia County in?
Cassia County is part of the Burley, ID micropolitan statistical area.