Idaho County's estimated 2026 population is 17,875 with a growth rate of 0.01% in the past year according to the most recent United States census data. Idaho County is the 20th largest county in Idaho. The 2010 population was 16,311 and has seen a growth of 9.59% since that time.
Data after 2023 is projected based on recent change
Overall: 49.4 years
Female: 50.1 years
Male: 49 years
There are 13,976 adults, (5,124 of whom are seniors) in Idaho County.
Female: 8,377 (48.1%)
Male: 9,055 (51.9%)
The racial composition of Idaho County includes 91.07% White, and smaller percentages for Native American, other race, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 15,876 | 91.07% |
| Two or more races | 964 | 5.53% |
| Native American | 319 | 1.83% |
| Other race | 154 | 0.88% |
| Asian | 95 | 0.54% |
| Black or African American | 22 | 0.13% |
| Native Hawaiian or Pacific Islander | 2 | 0.01% |
Idaho County's average per capita income is $45,026. Household income levels show a median of $66,325. The poverty rate stands at 11.11%.
Name | Median | Mean |
|---|---|---|
| Married Families | $86,968 | - |
| Families | $80,851 | $96,233 |
| Households | $66,325 | $81,593 |
| Non Families | $37,059 | $47,918 |
Average Income
Median Household Income
Poverty Rate