Kootenai County's estimated 2026 population is 194,495 with a growth rate of 1.61% 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 40.07% since that time.
Data after 2023 is projected based on recent change
The racial composition of Kootenai County includes 88.16% White, and smaller percentages for other race, Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
White (88.16%)
Two or more races (8.4%)
Other race (1.46%)
Native American (0.87%)
Asian (0.78%)
Black or African American (0.3%)
Native Hawaiian or Pacific Islander (0.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 156,689 | 88.16% |
| Two or more races | 14,936 | 8.4% |
| Other race | 2,590 | 1.46% |
| Native American | 1,539 | 0.87% |
| Asian | 1,395 | 0.78% |
| Black or African American | 533 | 0.3% |
| Native Hawaiian or Pacific Islander | 54 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
Kootenai County's average per capita income is $46,279. Household income levels show a median of $77,034. The poverty rate stands at 9.26%.
Name | Median | Mean |
|---|---|---|
| Married Families | $101,396 | $124,123 |
| Families | $92,515 | $114,013 |
| Households | $77,034 | $98,298 |
| Non Families | $44,677 | $58,790 |
Average Income
Median Household Income
Poverty Rate