Wisconsin › Jefferson County › Wisconsin Senate District 15
3 candidates are tracked for Wisconsin Senate District 15 on the November 3, 2026 ballot: Christopher Dean, Scott Fleming and Mark Spreitzer. Candidate information follows official Jefferson County election filings; verify with the official election office linked below.
Christopher Dean (Serving People Not Parties), Scott Fleming (Republican), Mark Spreitzer (Democratic) meet on the November 3 ballot; Mark Spreitzer is the sitting member, per the Wisconsin Elections Commission's incumbent listing and the Legislature's roster. Wisconsin has no runoffs; the August 11 partisan primary set each party's nominee, and unopposed nominees still print. The field is the Wisconsin Elections Commission's certified Candidates on Ballot list for the November 3, 2026 general election (read September 7, 2026). This seat is elected by district; only the district covering your address appears on your ballot.
Serving People Not Parties
Christopher Dean is a parts house manager and parts delivery driver, and a U.S. Army infantry veteran, per BallotReady. He is running as an independent, unaffiliated candidate for Wisconsin's 15th Senate District in the November 3, 2026 general election.
2026 priorities (per the campaign site)
- Properly fund emergency services and first responders
- Reduce residency requirements for veterans to access state benefits
- Prioritize K-12 education funding while cutting government waste instead of raising property taxes
Source: candidate campaign site.
Campaign site →
Scott Fleming is a local farmer and agronomist who serves as a Johnstown Town Board Supervisor, per WisPolitics. He is the Republican nominee for Wisconsin's 15th Senate District in the November 3, 2026 general election. No campaign website or questionnaire response was found as of September 7, 2026.
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 or questionnaire response was found as of September 7, 2026.
