Founded in 1864, Kootenai County is one of 44 counties in the state of Idaho. Historically, Kootenai County was formed from Nez Perce County. The city of Coeur d’Alene is the county seat. With FIPS code of 55, Kootenai County has a population of 179,789 and area of 1,245 square miles (3,225 km2).
List of all cities in Kootenai County, ID alphabetically
| City/Town | Postal Code | Area Code |
| Athol, ID | 83801 | 208 |
| Bayview, ID | 83803 | 208 |
| Belmont, ID | 83801 | 208 |
| Cataldo, ID | 83810 | 208 |
| CDA, ID | 83816 | 208 |
| Chilco, ID | 83801 | 208 |
| Coeur D Alene, ID | 83814 | 208 |
| 83815 | 208 | |
| 83816 | 208 | |
| Dalton Gardens, ID | 83815 | 208 |
| Garwood, ID | 83835 | 208 |
| Granite, ID | 83801 | 208 |
| Harrison, ID | 83833 | 208 |
| 83842 | 208 | |
| Hauser, ID | 83854 | 208 |
| Hayden, ID | 83835 | 208 |
| Hayden Lake, ID | 83835 | 208 |
| Medimont, ID | 83842 | 208 |
| Post Falls, ID | 83854 | 208 |
| 83877 | 208 | |
| Rathdrum, ID | 83858 | 208 |
| Rose Lake, ID | 83810 | 208 |
| Spirit Lake, ID | 83869 | 208 |
| State Line, ID | 83854 | 208 |
| Twin Lakes, ID | 83858 | 208 |
| Worley, ID | 83876 | 208 |