Boundary County, Idaho ZIP codes
5 ZIP codes are in Boundary County, plus 1 that cross in from neighboring counties.
- ZIP codes
- 5
- Population in these ZIPs
- 13,153
- Avg. median income
- $67,700population-weighted
- Cities & towns
- 5
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ZIP codes in Boundary County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 83805 | Bonners Ferry | 9,174 | $70,083 | $463,600 |
| 83826 | Eastport | 63 | — | — |
| 83845 | Moyie Springs | 2,202 | $72,695 | $449,700 |
| 83847 | Naples | 1,714 | $48,859 | $500,100 |
| 83853 PO Box | Porthill | — | — | — |
ZIP codes partly in Boundary County
These ZIP codes are mostly in a neighboring county but cover part of Boundary County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 83864 | Sandpoint | Bonner County | 20,514 | $70,496 | $654,000 |
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 Boundary County
Nearby counties
Frequently asked questions
How many ZIP codes are in Boundary County, Idaho?
5 ZIP codes are mainly in Boundary County, and 1 more ZIP codes from neighboring areas reach partly into it.
What cities are in Boundary County?
ZIP codes in Boundary County use the city names Bonners Ferry, Eastport, Moyie Springs, Naples and Porthill.