Kootenai County, Idaho Zip Codes
| Post Falls | 50,378 |
| Coeur D Alene | 38,934 |
| Coeur D Alene | 26,611 |
| Hayden | 23,229 |
| Rathdrum | 18,575 |
| Athol | 7,494 |
| Spirit Lake | 5,667 |
| Cataldo | 1,630 |
| Worley | 1,566 |
| Harrison | 1,390 |
| Medimont | 99 |
- Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.