Forrest J Mandeville

State Senator

Columbus, MT

Last updated May 21, 2026Is this you? Claim this profile

What is Forrest J Mandeville running for?

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Most recent race: State Senator District 28
Party: Unknown
Location: Columbus, MT
Current role: State Senator

Forrest J. Mandeville is an incumbent Republican State Senator for Montana's District 28, representing Columbus and Red Lodge. He has extensive legislative experience, serving three terms in the Montana House (2015, 2017, 2019) before his initial Senate election in 2022, now in his second Senate session for 2025. Mandeville serves on the Senate Finance and Claims Committee. His legislative work has focused on land use and subdivision laws, with several sponsored bills becoming law in 2023. He also introduced legislation on election laws, sports betting, and environmental definitions. His voting record consistently aligns with fellow Republicans. Mandeville is seeking re-election in the 2026 Primary Election for District 28.

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Support for Forrest J Mandeville · 9/15/2026

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