2026 General Election · Tuesday, November 3, 2026

Missouri House District 108

2 candidates, listed alphabetically.

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Candidates

Mike Costlow

RepublicanIncumbent

In office now: State Representative, District 108 (since 2024)
Work: State Representative, Missouri House District 108 (since 2025); former Dardenne Prairie alderman and board president

Mike Costlow has served as State Representative for District 108 in the Missouri General Assembly since 2024, a district that includes all or part of St. Charles County.

Mike Costlow served as an alderman and board president in Dardenne Prairie and holds an MBA from Western Governors University (2018). He was elected to the Missouri House in 2024.

Costlow's committees

Children and Families
General Laws
Joint Committee on Education
Special Committee on Tax Reform
Utilities

Sources for Costlow

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

Stephen Scott

Democratic

Work: Health care leader; firefighter

Stephen Scott lists experience as a health care leader and firefighter.

Sources for Scott

Stephen Scott - candidate profile (BallotReady, Facts summarized from a public page (not copied))

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.