Voter file loaded July 20, 2026 · figures are from that file, held as a fixed record
Twin Falls County, Idaho has 41,560 active registered voters — 69.5% Republican, 8.5% Democratic, and 0.0% with no party affiliation, as of July 2026.
Party registration
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | TF25 | 826 | 348 | 42.13% |
| 2 | TF12 | 903 | 341 | 37.76% |
| 3 | TF6 | 1,163 | 432 | 37.15% |
| 4 | TF26 | 1,101 | 408 | 37.06% |
| 5 | B1 | 802 | 293 | 36.53% |
| 6 | TF22 | 772 | 280 | 36.27% |
| 7 | TF24 | 1,501 | 527 | 35.11% |
| 8 | MA | 501 | 175 | 34.93% |
| 9 | TF11 | 1,099 | 374 | 34.03% |
| 10 | TF20 | 1,612 | 522 | 32.38% |
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 Twin Falls County voted for president
Election results are public records.
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