Owyhee County's estimated 2026 population is 12,558 with a growth rate of -0.81% 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 9.45% since that time.
Data after 2023 is projected based on recent change
Overall: 39 years
Female: 40.1 years
Male: 38.3 years
There are 9,447 adults, (2,414 of whom are seniors) in Owyhee County.
Female: 6,038 (48.3%)
Male: 6,465 (51.7%)
The racial composition of Owyhee County includes 69.82% White, 11.09% other race, 4.89% Native American, and smaller percentages for Black or African American, Native Hawaiian or Pacific Islander, Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 8,729 | 69.82% |
| Two or more races | 1,669 | 13.35% |
| Other race | 1,386 | 11.09% |
| Native American | 611 | 4.89% |
| Black or African American | 66 | 0.53% |
| Native Hawaiian or Pacific Islander | 25 | 0.2% |
| Asian | 17 | 0.14% |
Owyhee County's average per capita income is $42,423. Household income levels show a median of $64,406. The poverty rate stands at 12.24%.
Name | Median | Mean |
|---|---|---|
| Married Families | $83,534 | - |
| Families | $78,897 | $90,226 |
| Households | $64,406 | $79,387 |
| Non Families | $34,778 | $51,134 |
Average Income
Median Household Income
Poverty Rate
