The Ballot Brief
Jefferson County, Wisconsin

Wisconsin Senate District 33

2 candidates are tracked for Wisconsin Senate District 33 on the November 3, 2026 ballot: Chris Kapenga and Mike Van Someren. Candidate information follows official Jefferson County election filings; verify with the official election office linked below.

About this race

Chris Kapenga (Republican), Mike Van Someren (Democratic) meet on the November 3 ballot; Chris Kapenga 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.

What this office does

State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.

This race. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Chris Kapenga, is on the ballot.

Wisconsin › Jefferson County › Wisconsin Senate District 33

Chris Kapenga

RepublicanIncumbent

Biography

Chris Kapenga worked as a certified public accountant at a major international accounting firm and for a Fortune 50 company before becoming a business owner, per his official legislator biography. He has owned and sold several businesses and was elected Senate President by his peers. No campaign website was found as of September 7, 2026.

Mike Van Someren

Democratic

Top priorities

  • Raise wages and lower costs through investment in education, child care, healthcare and infrastructure
  • Require data centers to pay their own way for infrastructure and energy costs
  • Lower property taxes responsibly without raising income taxes on working families

Per the campaign site.

Biography

Mike Van Someren is a practicing attorney who earned his law degree from Marquette University Law School after attending UW-Madison, where he played on the Badger football team, per his campaign website. He is a father who has helped organize local community events in Oconomowoc.

Next on your ballotWisconsin Assembly District 38

See your full ballot

Your address is only used to match your districts.

Voting info and more

Voting info and more
Questions about this race

Who is running for Wisconsin Senate District 33 in 2026?

2 candidates are tracked for Wisconsin Senate District 33 on the November 3, 2026 ballot: Chris Kapenga and Mike Van Someren. Candidate information follows official Jefferson County election filings; verify with the official election office linked below.

When is the Wisconsin Senate District 33 election in Wisconsin?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Wisconsin are on the Wisconsin election hub at theballotbrief.com.

How do I see my exact Jefferson County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Verify this race

Candidate roster from official Jefferson County and state election office filings. Bios and priorities carry their attribution inline.

Cross-check with the official Wisconsin election office, or see the full Jefferson County sample ballot and your exact ballot by address.

The rest of your Jefferson County ballot

8 tracked races in Jefferson County, Wisconsin. Landed here from another county's search? Look up your own ballot below.

Also on your ballot
Wisconsin Assembly District 43Wisconsin Assembly District 46Wisconsin Assembly District 97See all 8 Jefferson County races
Candidate profiles
Chris Kapenga, full profileMike Van Someren, full profileOfficial Wisconsin election office