2026 General Election · Tuesday, November 3, 2026

Missouri House District 103

2 candidates, listed alphabetically.

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Candidates

Don Crozier

Democratic

Work: Retired aerospace engineer

Don Crozier is a retired aerospace engineer with a chemistry background who has lived in St. Charles County for 40 years.

Sources for Crozier

Don Crozier - 2026 candidate profile (The Ballot Brief, Facts summarized from a public page (not copied))

Dave Hinman

RepublicanIncumbent

In office now: State Representative, District 103 (since 2022)
Work: State Representative, Missouri House District 103 (since 2023); retired QuikTrip employee (35 years); former O'Fallon City Council member

Dave Hinman has served as State Representative for District 103 in the Missouri General Assembly since 2022, a district that includes all or part of St. Charles County.

Dave Hinman retired in 2021 after 35 years with QuikTrip. He served on the O'Fallon City Council, including as president pro tem, and on the O'Fallon planning commission and fire protection district board.

Hinman's committees

Local Government (Chairman)
Emerging Issues
Financial Institutions
Insurance

Sources for Hinman

Dave Hinman: official member information (Missouri House of Representatives, Public record)
Missouri General Assembly: current member roster (Missouri House of Representatives, Public record)

Sources

Candidate list and race details

Certification of Candidates and Party Emblems, General Election Nov. 3, 2026 (Missouri Secretary of State, Public record)

What's included: U.S. Senate and House, statewide offices, every state legislative district on the ballot and statewide ballot measures.
Everything else: Local races (county, city, school board, judges) and anything else on your ballot are on your official sample ballot: voteroutreach.sos.mo.gov.
Candidate lists: As of Wednesday, October 14, 2026.

This is not an official ballot. Confirm your registration, polling place and ballot with your election office through vote.gov.