Fremont County, Idaho Demographics 2026

Population Overview

Fremont County is located in Idaho with a total population of 13,701. It is the 23rd most populous county out of 44 in Idaho.

Age Demographics

The median age in Fremont County is 39.9 years. This is 8% higher than the state median of 37.1 years.

Economy, Income & Housing

The median household income in Fremont County is $72,767. This is 3% lower than the state median of $74,636. Compared to the national median of $78,538, household income here is 7% lower. The poverty rate stands at 9.8%. This is 8% lower than the state poverty rate of 10.6%. The unemployment rate is 4.6%. This is 26% higher than the state rate of 3.7%. The median home value is $281,800. Housing costs are 25% lower than the state median of $376,000. The home-value-to-income ratio is 3.9x. 84.2% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 72.4%.

Race & Ethnicity

The largest racial or ethnic group in Fremont County is White (non-Hispanic), making up 83.5% of the population. Hispanic or Latino residents account for 12.1%. The Black or African American population (0.3%) is well below the state average of 0.7%. The Asian population (0.1%) is well below the state average of 1.3%.

Education

21.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% 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 90.7%.