Kootenai County's estimated 2026 population is 195,330 with a growth rate of 1.81% 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 40.67% since that time.
Data after 2023 is projected based on recent change
Overall: 40.9 years
Female: 42.2 years
Male: 40.1 years
There are 141,340 adults, (36,591 of whom are seniors) in Kootenai County.
Female: 91,097 (50.1%)
Male: 90,899 (49.9%)
The racial composition of Kootenai County includes 87.11% White, and smaller percentages for other race, Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 158,537 | 87.11% |
| Two or more races | 16,783 | 9.22% |
| Other race | 3,191 | 1.75% |
| Native American | 1,493 | 0.82% |
| Asian | 1,264 | 0.69% |
| Black or African American | 644 | 0.35% |
| Native Hawaiian or Pacific Islander | 84 | 0.05% |
Kootenai County's average per capita income is $49,186. Household income levels show a median of $81,861. The poverty rate stands at 9.04%.
Name | Median | Mean |
|---|---|---|
| Married Families | $106,289 | $130,212 |
| Families | $98,171 | $119,902 |
| Households | $81,861 | $103,508 |
| Non Families | $46,317 | $61,462 |
Average Income
Median Household Income
Poverty Rate