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Montana · Montana Senate District 28 · Updated Oct 16, 2026

Forrest Mandeville

RepublicanIncumbent

Incumbent senator

Electoral history

Earlier races in Montana, newest first, matched by name in the results archive.

  1. 2022

    State Senate · SD-29 Nov 8, 2022

    R · 100.0% · 8,437 votes

    Won
  2. 2018

    House of Representatives · HD-57 Nov 6, 2018

    R · 100.0% · 4,466 votes

    Won
  3. 2016

    House of Representatives · HD-57 Nov 8, 2016

    R · 85.0% · 4,247 votes

    Won
  4. 2014

    House of Representatives · HD-57 Nov 4, 2014

    R · 78.8% · 3,049 votes

    Won
  5. 2014

    House of Representatives · HD-57 primary · Jun 3, 2014

    R · 100.0% · 1,760 votes

    Won

Opponents in 2026