45,701
Active registered voters
57
Precincts
20,699
Supervoters (45.29%)
5
Presidential cycles of results
Voter file loaded July 20, 2026 · figures are from that file, held as a fixed record
Bannock County, Idaho has 45,701 active registered voters — 52.3% Republican, 12.7% Democratic, and 0.0% with no party affiliation, as of July 2026.
Party registration
Democratic 5,795 · Republican 23,901 · No Party Affiliation 0 · Other parties 16,005
Source: Motion51 voter database — official Idaho voter file
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 001 | 801 | 482 | 60.17% |
| 2 | 003 | 826 | 477 | 57.75% |
| 3 | 002 | 850 | 490 | 57.65% |
| 4 | 057 | 663 | 374 | 56.41% |
| 5 | 066 | 1,090 | 607 | 55.69% |
| 6 | 059 | 758 | 417 | 55.01% |
| 7 | 082 | 615 | 325 | 52.85% |
| 8 | 081 | 675 | 354 | 52.44% |
| 9 | 084 | 672 | 348 | 51.79% |
| 10 | 050 | 533 | 276 | 51.78% |
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 Bannock County voted for president
■ Democratic % ■ Republican % · 2024 total votes cast: 39,971
Election results are public records.
Source: Official county canvasses via MIT Election Data + Science Lab
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