
Kootenai County
- State:
- Idaho
- County Seat:
- Coeur d'Alene
Kootenai County's estimated 2025 population is 188,450 with a growth rate of 0.92% in the past year according to the most recent United States census data. Kootenai County is the 3rd largest county in Idaho. The 2010 population was 138,860 and has seen a growth of 35.71% since that time.