Owyhee County, Idaho
Located in Idaho, Owyhee County has a population of 12,503 residents and a median age of 39.0 years, making it the #2,318 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.2%. The median home value is $359,800, and the median household income is $64,406, which is 14% below the national median.
Demographics
Owyhee County has a population of 12,503, making it the #2,318 most populous county in the US. The median age is 39.0 years, which is 0.3% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Owyhee County is $64,406, ranking #1,680 out of 3,222 counties — 14.3% below the national median. The poverty rate is 12.2% and unemployment stands at 2.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Owyhee County is $359,800 (+27.6% vs national). Renters pay a median of $821/mo and the homeownership rate is 72.6%.
Median Home Value Trend
Rankings →Household Type
Education
In Owyhee County, 12.4% of adults age 25+ hold a bachelor's degree or higher, which is 63.3% below the national average, ranking #3,077 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Owyhee County is 75.2 years. 20.4% of adults report poor or fair health and 16.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.8% of adults in Owyhee County smoke , 34.6% are obese , and 16.6% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 20.8 per 100,000. Motor vehicle deaths occur at a rate of 33.5 per 100,000.
Suicide Rate Trend
Families & Children
15.9% of children in Owyhee County live in poverty . The teen birth rate is 18.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Owyhee County is 60.2%. The mean commute time is 30.7 min, which is 11.3% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Owyhee County voted Republican with a margin of 67.5%. The vote was 15.3% Dem / 82.8% Rep. Compared to 2020, the margin shifted 4.2 toward Republicans .
Vote Share Over Time
About Owyhee County, Idaho
Owyhee County, Idaho has a total population of 12,503, making it the 2,318th most populous county in the United States. The median age in Owyhee County is 39.0 years, which is 0.3% above the national median of 38.9 years.
The median household income in Owyhee County is $64,406, which ranks #1,680 of 3,222 counties nationwide. This is 14.3% below the national median of $75,149. The poverty rate is 12.2%, lower than the national rate of 12.6%. The unemployment rate stands at 2.0%.
The median home value in Owyhee County is $359,800, 27.6% above the national median. Renters in Owyhee County pay a median gross rent of $821 per month. The homeownership rate is 72.6%, compared to the national rate of 64.4%.
In Owyhee County, 12.4% of residents aged 25 and older hold a bachelor's degree or higher, 63.3% below the national average of 33.7%. Health insurance coverage stands at 78.1% of the population. The average commute time for workers is 30.7 min.
Owyhee County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 67.8% of the population, followed by Hispanic or Latino (24.8%) and Two or More Races (4.3%).
All data for Owyhee County, Idaho comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.