Tetonia, Idaho Demographics & Population 2026
During the 2020–2024 ACS period, Tetonia, Idaho had a total population of 426, the 156th largest city in Idaho, with a median household income of $78,864, which is 1% higher than the state average. The poverty rate is 6.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Near full employment with an unemployment rate of just 0.4%.
Tetonia Quick Facts
How Tetonia Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 368 | 426 | +15.8% |
| Median household income | $63,125 | $78,864 | +24.9% |
| Median home value | $336,800 | $428,100 | +27.1% |
How Tetonia Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 36 | National average: 61
Education
Educational Attainment (Adults 25+)
Tetonia Rankings in Idaho
Explore Idaho Rankings
Other Cities in Teton County
Cities Similar to Tetonia
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Garden Valley | 438 | N/A | $782,100 | 47.9% | 11.2% |
| New Meadows | 411 | $78,594 | $331,800 | 26.2% | 10.7% |
| Dietrich | 421 | $73,750 | $225,000 | 14.6% | 5.2% |
| Lewisville | 453 | $83,750 | $236,500 | 17.4% | 9.3% |
| Oldtown | 428 | $57,833 | $261,700 | 21.9% | 18.0% |
A note before these figures: with a population of 426, Tetonia's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Tetonia is a small community located in Idaho, within Teton County. The total population is 426. It ranks as the 156th most populous out of 232 Census-designated places in Idaho.
Age Demographics
The median age in Tetonia is 28.5 years. This is 24% lower than the state median of 37.3 years. With 37.1% of the population under 18, Tetonia has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Tetonia is $78,864. This is 1% higher than the state median of $77,800. It is also 2% lower than the national median of $80,734. The poverty rate stands at 6.1%. This is 42% lower than the state poverty rate of 10.6%. The unemployment rate is 0.4%. This is 88% lower than the state rate of 3.7%. The median home value is $428,100. Housing costs are 2% higher than the state median of $418,600. The home-value-to-income ratio is 5.4x. 78.3% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 72.1%.
Race & Ethnicity
The largest racial or ethnic group in Tetonia is White (non-Hispanic), making up 82.4% of the population. Hispanic or Latino residents account for 14.5%.
Education
27.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 14% lower than the state rate of 31.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 85.5%.
Data Sources & Methodology
All demographic data for Tetonia, Idaho is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Idaho state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 232 Census-designated places in Idaho. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Tetonia, Idaho?
Tetonia, Idaho has a population of 426 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Tetonia, ID?
The median household income in Tetonia is $78,864, which is 2% lower than the national median of $80,734.
What is the poverty rate in Tetonia, ID?
The poverty rate in Tetonia is 6.1%. This means approximately 26 residents live below the federal poverty line.
What is the racial makeup of Tetonia, Idaho?
Tetonia's population is 82.4% White, 0.0% Black, 14.5% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Tetonia, ID?
The median home value in Tetonia is $428,100. The home-value-to-income ratio is 5.4x.
How educated is Tetonia, Idaho?
27.3% of adults (25+) in Tetonia hold a bachelor's degree or higher, and 10.9% hold a graduate or professional degree.