Teton County's 2026 population is estimated at 13,532, reflecting a 2.27% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Teton County is the 26th largest county in Idaho. The 2010 population was 10,149 and has grown 33.33% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.6 years
Female: 39.4 years
Male: 39.9 years
There are 9,650 adults, (1,778 of whom are seniors) in Teton County.
Female: 6,010 (48.4%)
Male: 6,415 (51.6%)
The racial composition of Teton County includes 81.09% White, 10.27% other race, and smaller percentages for Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 10,075 | 81.09% |
| Other race | 1,276 | 10.27% |
| Two or more races | 967 | 7.78% |
| Native American | 97 | 0.78% |
| Asian | 10 | 0.08% |
Teton County 's average per capita income is $53,881. Household income levels show a median of $99,805. The poverty rate stands at 9.12%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $133,295 | - |
| Families | $123,576 | $151,156 |
| Households | $99,805 | $130,295 |
| Non Families | $70,938 | $95,702 |
Average Income
Median Household Income
Poverty Rate
