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Montana Senate

Montana — U.S. Senate

Nov 6, 2018Montana3 candidates

Challengers

3
JT
Jon Tester
(D)Won
Vote share50.3%
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MR
Matt Rosendale
(R)Lost

Republican politician and former real estate developer who represented Montana's 2nd congressional district and served as Montana State Auditor.

Vote share46.8%
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RB
Rick Breckenridge
(L)Lost
Vote share2.9%
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Campaign finance data not yet available for this race.

Recent Coverage

2

Fmr. Sen. Jon TesterandCurrent Dem. Senators Discuss the Outlook for the Senate and the Democratic Party

Internet ArchiveApr 15, 2026
mixed

Defense industry dollars flowed to a Democratic senator after he gained a key role on spending - AP News

AP NewsJun 23, 2023
negative

Election History

2026
Kurt Alme(R)N/A
2024
Tim Sheehy(R)52.6%
Jon Tester(D)45.5%
Sid Daoud(L)1.2%
2020
Steve Daines(R)55.0%
2018
Jon Tester(D)50.3%

Campaign finance data sourced from FEC filings. Election results from MIT Election Lab. ChamberLight is not an official government source.