Wisconsin · Candidate file
Mark Spreitzer
Candidate for State Senator · Wisconsin Senate District 15 · Democrat
On the November 3, 2026 ballot
Wisconsin Elections Commission · Sep 4, 2026
Photo: Open States bulk (data.openstates.org), official chamber portrait
The district
What Wisconsin Senate District 15 covers
Covers parts of Rock County, Walworth County, Jefferson County · includes Janesville, Beloit, Whitewater, Milton, Edgerton, Evansville, Lake Lorraine, Orfordville and 5 more
180 precincts on the map · hover or tap a precinct for its resultEveryone running here →
Precinct lines: U.S. Census Bureau 2020 voting districts (states may have redrawn some precincts since). District lines: U.S. Census Bureau. Street map © OpenFreeMap, © OpenMapTiles, © OpenStreetMap contributors.
The 2026 field
Who else is running for Wisconsin Senate District 15
- Christopher DeanIndependent
- Scott FlemingRepublican
Follow this candidate
Know the moment Mark makes a move
Filings, website changes, ballot status and new public records — by email, on the schedule you choose.
Set up alerts