Voter file loaded July 20, 2026 · figures are from that file, held as a fixed record
Teton County, Idaho has 7,703 active registered voters — 44.3% Republican, 22.7% Democratic, and 31.6% with no party affiliation, as of July 2026.
Party registration
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 003 | 714 | 370 | 51.82% |
| 2 | 001 | 1,399 | 717 | 51.25% |
| 3 | 005 | 982 | 497 | 50.61% |
| 4 | 007 | 1,229 | 611 | 49.72% |
| 5 | 002 | 1,033 | 495 | 47.92% |
| 6 | 004 | 1,176 | 496 | 42.18% |
| 7 | 006 | 1,170 | 459 | 39.23% |
Supervoters are active registered voters who cast a ballot in at least 3 of the last 4 November general elections (2018–2024). Percentages are precinct totals from the official state voter file — no individual voter information is shown. Precincts with fewer than 400 active voters are excluded.
How Teton County voted for president
Election results are public records.
Teton County at a glance.
Teton County had an estimated 12,932 residents in July 2024, the 26th most populous of Idaho's 44 counties, up 11.2% since the 2020 census. Of those, 10,274 are 18 or older, the voting-age population, and 15.6% are 65 or older. Its 7,703 active registered voters equal about 75.0% of that voting-age population.
It covers 449 square miles of land (29 people per square mile), and 60.9% of residents live outside any incorporated city or town. The largest cities and towns are Victor (2,442), Driggs (2,332) and Tetonia (281). The American Community Survey (2020-2024) puts it at a median age of 39.6, a median household income of $99,805, 49.9% of adults 25 and older holding a bachelor's degree or higher and 80.8% of occupied homes owned by the people living in them.
In 2024, 6,698 votes were cast for president, about 65.2% of the voting-age population; the Democratic ticket took 51.7% and the Republican ticket 44.9%. The two-party margin moved from D+0.8 in 2008 to D+6.8 in 2024.
- Population (2024 estimate)
- 12,932
- Population (2020 census base)
- 11,630
- Voting-age population (18+)
- 10,274
- Active voters per 100 adults
- 75.0
- Residents 65 and older
- 15.6%
- People per square mile
- 29
- Living outside incorporated places
- 60.9%
- Land area
- 449 sq mi
- Median age
- 39.6
- Median household income
- $99,805
- Adults 25+ with a bachelor's degree
- 49.9%
- Owner-occupied homes
- 80.8%
Largest cities and towns
- Victor 2,442
- Driggs 2,332
- Tetonia 281
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 51.7% | 44.9% | D+6.8 | 6,698 |
| 2020 | 52.3% | 45.0% | D+7.3 | 6,347 |
| 2016 | 43.4% | 43.5% | R+0.1 | 4,966 |
| 2012 | 42.6% | 54.3% | R+11.7 | 4,523 |
| 2008 | 49.4% | 48.6% | D+0.8 | 4,658 |
Sources: U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer; American Community Survey 2020–2024 5-year estimates; certified county presidential returns. Growth, density and turnout are simple arithmetic on those figures.
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