Tetonia Population

2010–2026

266

2026 projection

13.6% since 2020 (decrease)

050100150200250300350201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Tetonia. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026266-82.92%
2025274-103.52%
2024284-62.07%
2023290-134.29%
2022303-113.50%
2021314+61.95%
2020308+20.65%
2019306+20.66%
2018304+41.33%
2017300+41.35%

Showing 10 of 17 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Tetonia has a population change lower than Teton County, Idaho, and the U.S.

  • Teton County+12.9%
  • Idaho+9.8%
  • United States+3.1%
  • Tetonia−12.5%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Tetonia Demographics

28.5median age

Median age

Female18.9 yrs
Male29.9 yrs

Adults

268
29 seniors (65+) · 11% of adults239 other adults

Sex

Female 52.3% · 223Male 47.7% · 203

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 4 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Tetonia Income

$78,864median household income

Median household income

$78,864

Half of households earn more, half earn less

Median earnings

$43,438

Typical yearly pay for a worker 25 or older.

Poverty rate

6.1%

About 1 in 16 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Tetonia Marital Status

53% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married53%51%54%
Never married36%41%31%
Divorced7%<1%14%
Widowed4%8%0%
Separated0%0%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201