15,130
Active registered voters
16
Precincts
7,830
Supervoters (51.75%)
5
Presidential cycles of results
Voter file loaded July 20, 2026 · figures are from that file, held as a fixed record
Blaine County, Idaho has 15,130 active registered voters — 31.7% Republican, 29.9% Democratic, and 0.0% with no party affiliation, as of July 2026.
Party registration
Democratic 4,526 · Republican 4,791 · No Party Affiliation 0 · Other parties 5,813
Source: Motion51 voter database — official Idaho voter file
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 008 | 1,079 | 649 | 60.15% |
| 2 | 012 | 472 | 282 | 59.75% |
| 3 | 005 | 1,177 | 682 | 57.94% |
| 4 | 006 | 696 | 398 | 57.18% |
| 5 | 007 | 1,092 | 610 | 55.86% |
| 6 | 001 | 1,189 | 662 | 55.68% |
| 7 | 015 | 571 | 313 | 54.82% |
| 8 | 009 | 971 | 532 | 54.79% |
| 9 | 003 | 1,317 | 659 | 50.04% |
| 10 | 013 | 1,313 | 637 | 48.51% |
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 Blaine County voted for president
■ Democratic % ■ Republican % · 2024 total votes cast: 13,087
Election results are public records.
Source: Official county canvasses via MIT Election Data + Science Lab
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