Elmore County, Idaho Demographics 2026

Population Overview

Elmore County is located in Idaho with a total population of 29,046. It is the 13th most populous county out of 44 in Idaho.

Age Demographics

The median age in Elmore County is 32.5 years. This is 12% lower than the state median of 37.1 years.

Economy, Income & Housing

The median household income in Elmore County is $58,976. This is 21% lower than the state median of $74,636. Compared to the national median of $78,538, household income here is 25% lower. The poverty rate stands at 12.4%. This is 16% higher than the state poverty rate of 10.6%. The unemployment rate is 6.6%. This is 80% higher than the state rate of 3.7%. The median home value is $278,300. Housing costs are 26% lower than the state median of $376,000. The home-value-to-income ratio is 4.7x. 65.3% of occupied housing units are owner-occupied. This homeownership rate is 10% lower than the state average of 72.4%.

Race & Ethnicity

The largest racial or ethnic group in Elmore County is White (non-Hispanic), making up 70.5% of the population. Hispanic or Latino residents account for 18.0%. The Black or African American population is significantly higher than the state average (2.7% vs 0.7%). The Asian population is significantly higher than the state average (2.7% vs 1.3%).

Education

21.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 32% 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 88.1%.