Caribou County, Idaho ZIP codes
4 ZIP codes are in Caribou County, plus 4 that cross in from neighboring counties.
- ZIP codes
- 4
- Population in these ZIPs
- 7,355
- Avg. median income
- $67,900population-weighted
- Cities & towns
- 4
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ZIP codes in Caribou County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 83217 | Bancroft | 712 | $74,688 | $358,000 |
| 83230 PO Box | Conda | — | — | — |
| 83241 | Grace | 2,488 | $71,298 | $354,500 |
| 83276 | Soda Springs | 4,155 | $64,750 | $337,400 |
ZIP codes partly in Caribou County
These ZIP codes are mostly in a neighboring county but cover part of Caribou County.
| ZIP code | City | State | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|---|
| 83120 | Freedom | WY | Bonneville County | 232 | $59,200 | $526,300 |
| 83127 | Thayne | WY | Lincoln County | 3,812 | $87,743 | $482,700 |
| 83254 | Montpelier | ID | Bear Lake County | 3,792 | $64,839 | $294,300 |
| 83285 | Wayan | ID | Bonneville County | 80 | — | — |
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 Caribou County
Nearby counties
Frequently asked questions
How many ZIP codes are in Caribou County, Idaho?
4 ZIP codes are mainly in Caribou County, and 4 more ZIP codes from neighboring areas reach partly into it.
What cities are in Caribou County?
ZIP codes in Caribou County use the city names Bancroft, Conda, Grace and Soda Springs.