Owyhee County's estimated 2025 population is 12,734 with a growth rate of -0.11% in the past year according to the most recent United States census data. Owyhee County is the 28th largest county in Idaho. The 2010 population was 11,474 and has seen a growth of 10.98% since that time.
Data after 2023 is projected based on recent change
The racial composition of Owyhee County includes 73.1% White, 11.17% other race, 4.88% Native American, and smaller percentages for Black or African American, Asian and multiracial populations.
White (73.1%)
Other race (11.17%)
Two or more races (10.27%)
Native American (4.88%)
Black or African American (0.48%)
Asian (0.11%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 8,979 | 73.1% |
| Other race | 1,372 | 11.17% |
| Two or more races | 1,262 | 10.27% |
| Native American | 599 | 4.88% |
| Black or African American | 59 | 0.48% |
| Asian | 13 | 0.11% |
Married
Widowed
Divorced
Separated
Never Married
Owyhee County's average per capita income is $38,503. Household income levels show a median of $59,773. The poverty rate stands at 13.37%.
Name | Median | Mean |
|---|---|---|
| Married Families | $80,533 | - |
| Families | $75,625 | $82,697 |
| Households | $59,773 | $72,147 |
| Non Families | $33,191 | $44,936 |
Average Income
Median Household Income
Poverty Rate
