Teton County, Idaho
Located in Idaho, Teton County has a population of 12,425 residents and a median age of 39.6 years, making it the #2,324 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.1%. The median home value is $690,500, and the median household income is $99,805, which is 33% above the national median.
Demographics
Teton County has a population of 12,425, making it the #2,324 most populous county in the US. The median age is 39.6 years, which is 1.8% 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 Teton County is $99,805, ranking #169 out of 3,222 counties — 32.8% above the national median. The poverty rate is 9.1% and unemployment stands at 1.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Teton County is $690,500 (+144.9% vs national). Renters pay a median of $1,319/mo and the homeownership rate is 80.8%.
Median Home Value Trend
Rankings →Household Type
Education
In Teton County, 49.9% of adults age 25+ hold a bachelor's degree or higher, which is 48.0% above the national average, ranking #100 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Teton County is 83.1 years. 13.9% of adults report poor or fair health and 14.5% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
10.9% of adults in Teton County smoke , 28.8% are obese , and 20.0% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 29.7 per 100,000. Motor vehicle deaths occur at a rate of 24.0 per 100,000.
Firearm Fatalities Trend
Families & Children
9.5% of children in Teton County live in poverty . The teen birth rate is 13.2 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Teton County is 77.0%. The mean commute time is 36.0 min, which is 30.3% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Teton County voted Democratic with a margin of 6.8%. The vote was 51.7% Dem / 44.9% Rep. Compared to 2020, the margin shifted 0.5 toward Republicans .
Vote Share Over Time
About Teton County, Idaho
Teton County, Idaho has a total population of 12,425, making it the 2,324th most populous county in the United States. The median age in Teton County is 39.6 years, which is 1.8% above the national median of 38.9 years.
The median household income in Teton County is $99,805, which ranks #169 of 3,222 counties nationwide. This is 32.8% above the national median of $75,149. The poverty rate is 9.1%, lower than the national rate of 12.6%. The unemployment rate stands at 1.2%.
The median home value in Teton County is $690,500, 144.9% above the national median. Renters in Teton County pay a median gross rent of $1,319 per month. The homeownership rate is 80.8%, compared to the national rate of 64.4%.
In Teton County, 49.9% of residents aged 25 and older hold a bachelor's degree or higher, 48.0% above the national average of 33.7%. Health insurance coverage stands at 85.5% of the population. The average commute time for workers is 36.0 min.
Teton County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 79.3% of the population, followed by Hispanic or Latino (17.3%) and Two or More Races (2.6%).
All data for Teton 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.