115,566
Active registered voters
51
Precincts
46,040
Supervoters (39.84%)
5
Presidential cycles of results
Voter file loaded July 20, 2026 · figures are from that file, held as a fixed record
Canyon County, Idaho has 115,566 active registered voters — 64.5% Republican, 10.7% Democratic, and 0.0% with no party affiliation, as of July 2026.
Party registration
Democratic 12,339 · Republican 74,534 · No Party Affiliation 0 · Other parties 28,693
Source: Motion51 voter database — official Idaho voter file
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 0509 | 986 | 537 | 54.46% |
| 2 | 4823 | 2,288 | 1,229 | 53.72% |
| 3 | 0710 | 1,888 | 1,000 | 52.97% |
| 4 | 0309 | 934 | 490 | 52.46% |
| 5 | 4923 | 1,282 | 652 | 50.86% |
| 6 | 1410 | 702 | 354 | 50.43% |
| 7 | 5123 | 1,297 | 653 | 50.35% |
| 8 | 0609 | 1,057 | 508 | 48.06% |
| 9 | 0209 | 1,279 | 607 | 47.46% |
| 10 | 4413 | 3,432 | 1,615 | 47.06% |
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 Canyon County voted for president
■ Democratic % ■ Republican % · 2024 total votes cast: 101,001
Election results are public records.
Source: Official county canvasses via MIT Election Data + Science Lab
Running in Canyon County?
The voter file is loaded. Create your campaign and start canvassing in minutes.
Start free in Canyon CountyAlso see: Motion51 in Idaho · How to run for office in Canyon County · Pricing