State Senator District 35 in Idaho State Senate District 35, Idaho

2026 Primary Election

• Marty Rotz Kilhefner — Candidate for Idaho State Senate District 35 in ID

  Marty Rotz-Kilhefner is a Democratic Party candidate seeking election to the Idaho State Senate, representing District 35, in the 2026 election cycle. Running on a platform to challenge the dominant Republican influence in Idaho, Rotz-Kilhefner aims to foster a more balanced two-party system within the state's representation. Their key policy priorities include protecting women's healthcare, strengthening public schools, advocating for environmental care, and ensuring all individuals are treated with dignity and respect. The Democratic primary is scheduled for May 19, 2026, with the general election following on November 3, 2026.

• Mark Harris — Incumbent Idaho State Senator in Soda Springs, ID

  Mark Harris is an incumbent Republican State Senator representing Idaho's District 35. A native Idahoan, he lives with his wife and four sons on a cattle ranch south of Soda Springs in Bear Lake County, where they also farm. He earned a B.A. in Political Science from Utah State University and served a church mission in Argentina. Harris is committed to preserving Idaho's family values and protecting crucial agricultural and industrial sectors like barley, potatoes, phosphate, and the Idaho National Laboratory, safeguarding jobs and community well-being. He serves as Assistant Republican Leader.