12,347
Active registered voters
17
Precincts
5,237
Supervoters (42.42%)
5
Presidential cycles of results
Voter file loaded July 20, 2026 · figures are from that file, held as a fixed record
Elmore County, Idaho has 12,347 active registered voters — 65.6% Republican, 9.8% Democratic, and 0.0% with no party affiliation, as of July 2026.
Party registration
Democratic 1,204 · Republican 8,101 · No Party Affiliation 0 · Other parties 3,042
Source: Motion51 voter database — official Idaho voter file
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | MH 7 | 880 | 449 | 51.02% |
| 2 | GF 1 | 800 | 391 | 48.88% |
| 3 | MH 6 | 893 | 410 | 45.91% |
| 4 | MH 9 | 1,279 | 575 | 44.96% |
| 5 | MH 4 | 994 | 422 | 42.45% |
| 6 | MH 5 | 1,214 | 515 | 42.42% |
| 7 | MH 3 | 924 | 367 | 39.72% |
| 8 | MH 8 | 2,172 | 786 | 36.19% |
| 9 | MH 2 | 1,322 | 478 | 36.16% |
| 10 | MH 1 | 811 | 242 | 29.84% |
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 Elmore County voted for president
■ Democratic % ■ Republican % · 2024 total votes cast: 10,672
Election results are public records.
Source: Official county canvasses via MIT Election Data + Science Lab
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