Oneida County, Idaho ZIP codes
2 ZIP codes are in Oneida County, plus 2 that cross in from neighboring counties. It's part of the Brigham City, UT-ID micro area.
- ZIP codes
- 2
- Population in these ZIPs
- 4,756
- Avg. median income
- $76,300population-weighted
- Cities & towns
- 2
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Oneida County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 83243 | Holbrook | 49 | — | — |
| 83252 | Malad City | 4,707 | $76,328 | $350,500 |
ZIP codes partly in Oneida County
These ZIP codes are mostly in a neighboring county but cover part of Oneida County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 83212 | Arbon | Power County | 388 | — | $123,400 |
| 83342 | Malta | Cassia County | 1,231 | $56,818 | $395,700 |
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 Oneida County
Nearby counties
Frequently asked questions
How many ZIP codes are in Oneida County, Idaho?
2 ZIP codes are mainly in Oneida County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Oneida County?
ZIP codes in Oneida County use the city names Holbrook and Malad City.
What metro area is Oneida County in?
Oneida County is part of the Brigham City, UT-ID micropolitan statistical area.