Owyhee County, Idaho Demographics 2026

Population Overview

Owyhee County is located in Idaho with a total population of 12,284. It is the 26th most populous county out of 44 in Idaho.

Age Demographics

The median age in Owyhee County is 38.3 years. This is 3% higher than the state median of 37.1 years.

Economy, Income & Housing

The median household income in Owyhee County is $59,773. This is 20% lower than the state median of $74,636. Compared to the national median of $78,538, household income here is 24% lower. The poverty rate stands at 13.4%. This is 26% higher than the state poverty rate of 10.6%. The unemployment rate is 2.1%. This is 42% lower than the state rate of 3.7%. The median home value is $281,600. Housing costs are 25% lower than the state median of $376,000. The home-value-to-income ratio is 4.7x. 70.9% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 72.4%.

Race & Ethnicity

The largest racial or ethnic group in Owyhee County is White (non-Hispanic), making up 68.9% of the population. Hispanic or Latino residents account for 24.8%. The Hispanic or Latino population is significantly higher than the state average (24.8% vs 13.3%). The Asian population (0.1%) is well below the state average of 1.3%.

Education

13.7% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 56% lower than the state rate of 31.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 77.7%.