5,436
Active registered voters
9
Precincts
2,932
Supervoters (53.94%)
5
Presidential cycles of results
Voter file loaded July 20, 2026 · figures are from that file, held as a fixed record
Lemhi County, Idaho has 5,436 active registered voters — 78.2% Republican, 6.6% Democratic, and 0.0% with no party affiliation, as of July 2026.
Party registration
Democratic 359 · Republican 4,249 · No Party Affiliation 0 · Other parties 828
Source: Motion51 voter database — official Idaho voter file
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 002 | 1,141 | 637 | 55.83% |
| 2 | 003 | 1,724 | 914 | 53.02% |
| 3 | 001 | 1,325 | 669 | 50.49% |
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.
Source: Motion51 voter database — official Idaho voter file
How Lemhi County voted for president
■ Democratic % ■ Republican % · 2024 total votes cast: 4,873
Election results are public records.
Source: Official county canvasses via MIT Election Data + Science Lab
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