Teton County, Idaho Demographics 2026

Population Overview

Teton County is located in Idaho with a total population of 12,101. It is the 28th most populous county out of 44 in Idaho.

Age Demographics

The median age in Teton County is 39.8 years. This is 7% higher than the state median of 37.1 years.

Economy, Income & Housing

The median household income in Teton County is $90,740. This is 22% higher than the state median of $74,636. Compared to the national median of $78,538, household income here is 16% higher. The poverty rate stands at 9.4%. This is 12% lower than the state poverty rate of 10.6%. The unemployment rate is 1.5%. This is 60% lower than the state rate of 3.7%. The median home value is $595,900. Housing costs are 58% higher than the state median of $376,000. The home-value-to-income ratio of 6.6x suggests that housing affordability is a significant concern for many residents. 79.8% of occupied housing units are owner-occupied. This homeownership rate is 10% higher than the state average of 72.4%.

Race & Ethnicity

The largest racial or ethnic group in Teton County is White (non-Hispanic), making up 79.8% of the population. Hispanic or Latino residents account for 17.1%. The Asian population (0.1%) is well below the state average of 1.3%.

Education

48.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Teton County in the top 10% of all cities in the state for educational attainment. This is 55% higher 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 92.6%.