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Wisconsin
Candidate profile

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Mark Spreitzer

Democratic · Wisconsin · 2026 · Incumbent

Running for Wisconsin Senate District 15, Wisconsin

Biography

Mark Spreitzer represents Wisconsin's 15th Senate District, based around Rock County, per his official legislator page. He is the Democratic incumbent seeking reelection in the November 3, 2026 general election. No campaign website was found as of September 7, 2026.

On the ballot

Wisconsin Senate District 15Wisconsin · 2026Rock County sample ballot

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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. Roster last verified September 25, 2026. Official sources are the final word on who appears on your ballot.

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