Bannock County, Idaho ZIP codes
11 ZIP codes are in Bannock County, plus 1 that cross in from neighboring counties. It's part of the Pocatello, ID metro area.
- ZIP codes
- 11
- Population in these ZIPs
- 72,824
- Avg. median income
- $68,800population-weighted
- Cities & towns
- 7
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Bannock County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 83201 | Pocatello | 39,902 | $66,357 | $334,100 |
| 83202 | Pocatello | 24,513 | $70,423 | $394,300 |
| 83205 PO Box | Pocatello | — | — | — |
| 83206 PO Box | Pocatello | — | — | — |
| 83209 | Pocatello | 937 | $19,336 | — |
| 83214 | Arimo | 586 | $80,333 | $279,200 |
| 83234 | Downey | 1,417 | $81,083 | $316,600 |
| 83245 | Inkom | 2,321 | $93,005 | $485,100 |
| 83246 | Lava Hot Springs | 821 | $73,125 | $443,500 |
| 83250 | McCammon | 2,179 | $73,555 | $422,600 |
| 83281 | Swanlake | 148 | $131,213 | — |
ZIP codes partly in Bannock County
These ZIP codes are mostly in a neighboring county but cover part of Bannock County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 83204 | Pocatello | Power County | 18,580 | $57,146 | $329,400 |
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 Bannock County
Nearby counties
Frequently asked questions
How many ZIP codes are in Bannock County, Idaho?
11 ZIP codes are mainly in Bannock County, and 1 more ZIP codes from neighboring areas reach partly into it.
What cities are in Bannock County?
ZIP codes in Bannock County use the city names Arimo, Downey, Inkom, Lava Hot Springs, McCammon, Pocatello and Swanlake.
What metro area is Bannock County in?
Bannock County is part of the Pocatello, ID metropolitan statistical area.