County · Idaho · United States
Boundary County ZIP codes
4 ZIP codes · 4 cities · FIPS 16021
Key facts
- State
- Idaho (ID)
- FIPS code
- 16021
- Population
- 12,695
- Median household income
- $62,438
- Median age
- 42.8
- Land area
- 1,268.7 sq mi (3,285.9 km²)
- Population density
- 10 / sq mi
- Area codes
- 208, 986
Cities and ZIP codes in Boundary County (4)
| City | ZIP codes |
|---|---|
| Bonners Ferry | 83805 |
| Eastport | 83826 |
| Moyie Springs | 83845 |
| Naples | 83847 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.