Teton County, Idaho Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Teton County, ID Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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N/A
Health Not enough data
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B
Income Around averageWealthiest county in Idaho
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B
Education Around averageAmong the top 3 best educated counties in Idaho
Source: Map AI Methodology
Population: density and quick facts
| Metric | Teton County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Population | 12,425 | 1,929,983 | 337,468,954 |
| Population density (per sq mi) | 27.6 | 23.1 | 86.4 |
| Population growth (%/yr) | 2.23% | 2.12% | 0.59% |
| Median age | 38.3 | 38.7 | 37.3 |
| Households | 4,677 | 712,816 | 130,235,071 |
Population in Teton County grew by 47.7% from 2009 to 2024, reaching 12,425 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Teton County is Millennials, aged 29–44, at 26.3% of residents. That is 5.6 points above Idaho as a whole.
- Gen Z 13–28 2,236 18.0% -4.8 pts
- Millennials 29–44 3,273 26.3% +5.6 pts
- Gen X 45–60 2,685 21.6% +2.4 pts
- Boomers 61–79 1,650 13.3% -2.7 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Idaho, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 48.0% of the people living in Teton County and men 52.0%.
- Women 48.0% Idaho 49.6%
- Men 52.0% Idaho 50.4%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Teton County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Teton County has a the economy index of B, which means it is quite prosperous.
| Metric | Teton County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Median household income | $99,899 | $78,141 | $80,455 |
| Income growth (%/yr) | 7.21% | 5.97% | 4.80% |
| Unemployment rate | 1.2% | 3.7% | 5.2% |
The median household income in Teton County is about 28% higher than in Idaho.
Housing
| Metric | Teton County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Median home price | $720,070 | $394,140 | $248,835 |
| Median rent | $1,319 | $1,236 | $1,407 |
| Homeownership rate | 80.8% | 72.3% | 65.2% |
The median home price in Teton County is about 45.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,319 per month for that long.
Commute Time & Mobility
Commuters in Teton County spend about 64 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 265 hours, about 11.0 full days, spent commuting.
| Metric | Teton County | Idaho Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 31.8 | 18.0 | 22.4 |
| Round-trip commute (min) | 63.5 | 35.9 | 44.8 |
| Yearly time spent (hours) | 265 | 150 | 187 |
| Estimated yearly cost | $8,208 | $4,641 | $5,790 |
| Work from home | 17.7% | 13.3% | 15.0% |
| Highway traffic (vehicles/day) | — | 4,714 | 8,813 |
| Local road traffic (vehicles/day) | 825 | 865 | 1,355 |
Fastest commutes among counties in
Idaho:
Custer County (8.9 min), Lemhi County (11.6 min), Madison County (12.0 min).
Slowest:
Camas County (49.5 min), Boise County (38.0 min), Lincoln County (32.0 min).
The average commute time in Teton County is 32 minutes, longer than the 18 minutes in Idaho.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Teton County has a education index of B, which means it is quite educated.
| Metric | Teton County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 43.4% | 27.1% | 31.6% |
| Average household size | 2.65 | 2.64 | 2.53 |
Highest education index among counties in
Idaho:
Latah County (0.4), Teton County (0.3), Ada County (0.3).
Lowest:
Clark County (0.1), Owyhee County (0.2), Lincoln County (0.2).
Health
| Metric | Teton County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | — | 79.5 | 78.3 |
| Self-rated poor health | — | 15.6% | 16.3% |
| Smokers | — | 17.6% | 19.0% |
Highest health index among counties in
Idaho:
Madison County (0.8), Latah County (0.8), Ada County (0.8).
Lowest:
Shoshone County (0.8), Washington County (0.8), Lincoln County (0.8).
Teton County, ID Compared With Nearby Counties
Teton County, ID is the smallest of the 4 counties compared here, 12,425 residents against a local median of 54,618. Where Teton County, ID breaks from the counties next to it is commute, sitting 134% above the local median of 13.6 min at 31.8 min. That is the weaker end of the local range on this measure.
Median home price tells the same story from another angle: $720,070 against a local median of $378,543, 90% above it. The picture is mixed rather than uniform: median household income runs ahead of the neighbourhood while commute runs behind it, so Teton County, ID is trading one against the other rather than simply out-performing what surrounds it. The counties themselves sit within 4.0 min of each other on commute, a tighter band than the gap between any of them and Teton County, ID, which makes it a genuine outlier here rather than one end of a wide local spread. Teton County, ID has the 4th lowest commute of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Teton County, ID | 12,425 | $99,899 #2/4 | $720,070 #2/4 | 31.8 min #4/4 |
| Madison County, ID | 54,618 | $60,340 | $295,731 | 12.0 min |
| Bonneville County, ID | 129,518 | $80,129 | $378,543 | 16.0 min |
| Teton County, WY | 23,396 | $123,789 | $870,192 | 13.6 min |
Frequently Asked Questions
Common questions about Teton County, Idaho.
How big is Teton County, Idaho by population?
About 12,425 people live in Teton County, Idaho, in 4,677 households of 2.7 people on average. The median age is 38.3, close to the U.S. median of 37.3.
Is Teton County, Idaho mostly urban or rural?
Averaged over its land area, Teton County, Idaho has 28 people per square mile, a density typical of rural areas. That is about 32% of the U.S. average of 86.
Is Teton County, Idaho an affordable place to live?
The median home costs 7.2 times the median household income ($720,070 against $99,899), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,319 a month takes about 16% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is it hard to find a job in Teton County, Idaho?
Unemployment in Teton County, Idaho is only 1.2%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How common is a college degree in Teton County, Idaho?
43.4% of adults in Teton County, Idaho hold a bachelor's degree or higher (about 1 in 2), well above the U.S. share of 31.6%.
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