Blaine County's estimated 2026 population is 25,333 with a growth rate of -0.72% in the past year according to the most recent United States census data. Blaine County is the 17th largest county in Idaho. The 2010 population was 21,296 and has seen a growth of 18.96% since that time.
Data after 2023 is projected based on recent change
Overall: 45.6 years
Female: 46 years
Male: 44.9 years
There are 20,170 adults, (5,665 of whom are seniors) in Blaine County.
Female: 12,061 (48.3%)
Male: 12,890 (51.7%)
The racial composition of Blaine County includes 77.74% White, 11.07% other race, and smaller percentages for Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 19,398 | 77.74% |
| Other race | 2,762 | 11.07% |
| Two or more races | 2,214 | 8.87% |
| Native American | 332 | 1.33% |
| Asian | 147 | 0.59% |
| Black or African American | 97 | 0.39% |
| Native Hawaiian or Pacific Islander | 1 | 0% |
Blaine County's average per capita income is $49,087. Household income levels show a median of $92,566. The poverty rate stands at 6.64%.
Name | Median | Mean |
|---|---|---|
| Married Families | $112,773 | - |
| Families | $102,866 | $151,424 |
| Households | $92,566 | $135,359 |
| Non Families | $68,351 | $105,829 |
Average Income
Median Household Income
Poverty Rate
