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Senate District 15

November 3, 2026

Who is running for this seat, whether the incumbent is on the ballot, and how the district has voted before.

Source: Wisconsin Elections Commission · pulled

The matchup

  • Mark Spreitzer

    Democratic · incumbent

    The record is one click away: votes, sponsored bills, committees and campaign money, from official filings.

  • Scott Fleming

    Republican

    The Republican nominee, from the certified August 11 primary. We publish records, not campaign material, so candidates without a legislative record carry only their filing here.

  • Christopher Dean

    Independent

    An independent candidate the WEC approved for the ballot. We publish records, not campaign material, so candidates without a legislative record carry only their filing here.

Each party's candidate is the winner of the certified August 11 primary; independent candidates are those the Wisconsin Elections Commission approved for the ballot.

How this seat has voted

Certified results. Wisconsin's legislative maps were redrawn for 2024, so earlier results are the previous District 15: the same number over substantially different lines.

2022 previous maps

2022 general election, Senate District 15
Mark Spreitzer 46,192 61.4%
Mark Trofimchuck 29,006 38.5%

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