The Ballot Brief
Montana
Candidate profile

We use AI to research and write election information. Errors are possible. Verify important details with official sources.

Forrest J. Mandeville

Republican · Montana · 2026 · Incumbent

Running for Montana Senate District 28, Montana

Biography

Forrest represents Senate District 28 from Columbus and has served in the Montana Senate since 2023, per Montana Free Press. He chairs the Senate Local Government Committee and vice-chairs the Senate Rules Committee, per Montana Free Press. No campaign website was found as of September 17, 2026.

On the ballot

Montana Senate District 28Montana · 2026Carbon County sample ballot

See your full ballot

Your address is only used to match your districts.

Voting info and more

Voting info and more
How we source this

Profile facts follow official election office filings and the sources cited in each biography. Official sources are the final word on who appears on your ballot.

Verify with the official filingSee everything on your ballotMontana 2026 ballotThe Ballot Brief home