2 candidates are tracked for Idaho Senate District 35 on the November 3, 2026 ballot: Marty Rotz Kilhefner and Mark Harris. Candidate information follows official Bannock County election filings; verify with the official election office linked below.
Marty Rotz Kilhefner (D), Mark Harris (R) are on the November 3, 2026 ballot for Idaho Senate District 35. Mark Harris is the sitting member, per the Idaho Legislature's membership roster. Party nominees were chosen at the May 19, 2026 primary, per the Idaho Secretary of State's candidate filing portal.
State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.
This race. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Mark Harris, is on the ballot.
Idaho › Bannock County › Idaho Senate District 35
D
Marty is a retired nurse with a Bachelor of Science in Nursing who worked in nursing for more than four decades across multiple specialties, per her campaign site. She and her husband, Bruce, live in Fish Haven, Idaho, per her campaign site.
R Incumbent
Per the campaign site.
Mark Harris, a Republican, is the sitting Idaho state senator for District 35 and serves as Assistant Majority Leader, per the Idaho Senate's official roster. He was appointed to the Senate in 2015 by then-Governor Butch Otter to fill the seat previously held by John Tippets, per his campaign site. Harris is a rancher who raised his family outside Soda Springs; he and his wife Cheryl have four sons, per his campaign site and the official roster.
Who is running for Idaho Senate District 35 in 2026?
2 candidates are tracked for Idaho Senate District 35 on the November 3, 2026 ballot: Marty Rotz Kilhefner and Mark Harris. Candidate information follows official Bannock County election filings; verify with the official election office linked below.
When is the Idaho Senate District 35 election in Idaho?
Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Idaho are on the Idaho election hub at theballotbrief.com.
How do I see my exact Bannock County ballot?
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Candidate roster from official Bannock County and state election office filings, last verified September 27, 2026. Bios and priorities carry their attribution inline.
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