Casey Swensen won the race for State Senate, District 25 in the November 3, 2026 election, with 9,207 votes (64.5%), according to unofficial results from Idaho Secretary of State.
W. Lane Startin received 5,075 votes (35.5%). The margin was 4,132 votes, or 29.0 percentage points.
The election office reported 23 of 23 precincts reporting. In all, 14,282 votes were counted in this race. Casey Swensen is the incumbent.
Full results
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Casey Swensen (won) | Republican | 9,207 | 64.5% |
| W. Lane Startin | Democratic | 5,075 | 35.5% |
What the job involves
Members of the state legislature write and vote on state laws and the state budget, including school funding and the rules cities and counties work under.
What Casey Swensen said during the campaign
- Economy and housing: He says he will support small businesses, make housing more affordable, and bring good-paying jobs to the area. (Casey Swensen for Idaho State Senate)
- Public safety: He says he will back law enforcement and secure the borders to keep drugs out. (Casey Swensen for Idaho State Senate)
- Taxes and affordability: He says he will work to lower taxes, ease the cost of living, and spend tax dollars wisely in the community. (Casey Swensen for Idaho State Senate)
What happens next
These results are unofficial. They become final when election officials certify them at the canvass, and totals can still change a little as remaining mailed and provisional ballots are counted.
Every race in Twin Falls is on our election results page. More about Casey Swensen is on their candidate page.