Voter file loaded July 20, 2026 · figures are from that file, held as a fixed record
Washington County, Idaho has 6,289 active registered voters — 78.9% Republican, 6.6% Democratic, and 0.0% with no party affiliation, as of July 2026.
Party registration
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 008 | 746 | 435 | 58.31% |
| 2 | 007 | 549 | 312 | 56.83% |
| 3 | 006 | 401 | 220 | 54.86% |
| 4 | 010 | 612 | 334 | 54.58% |
| 5 | 004 | 568 | 307 | 54.05% |
| 6 | 011 | 608 | 306 | 50.33% |
| 7 | 001 | 719 | 358 | 49.79% |
| 8 | 002 | 561 | 265 | 47.24% |
| 9 | 005 | 541 | 237 | 43.81% |
| 10 | 009 | 616 | 261 | 42.37% |
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.
How Washington County voted for president
Election results are public records.
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