The Ballot Brief
St Louis County, Missouri

Missouri House District 110

MissouriSt Louis County › Missouri House District 110

2 candidates are tracked for Missouri House District 110 on the November 3, 2026 ballot: Niles Stephens and Claire Heinrich. Candidate information follows official St Louis County election filings; verify with the official election office linked below.

Niles Stephens (Republican), Claire Heinrich (Democratic) meet on the November 3 ballot. Missouri has no runoffs; the August 4 primary winner of each party is the nominee, and unopposed nominees still print. The field is the Missouri Secretary of State's certified general election candidate list (certified August 25, 2026). This seat is elected by district; only the district covering your address appears on your ballot.

Niles Stephens

Republican

Niles Stephens is the Managing Director of Missouri Tax Relief Now, per the Daily Journal Online. He helped lead efforts for the state's Senior Property Tax Freeze and opposed a local property tax increase in 2025, per his campaign website. He is the Republican nominee for Missouri House District 110.

2026 priorities (per the campaign site)

Source: candidate campaign site, roster verified 2026-09-06.

Campaign site →

Claire Heinrich

Democratic

Claire Heinrich graduated from Washington University in St. Louis with a degree in Computer Science and worked as a computer programmer in marketing and the private space launch industry, per her campaign website. She later earned an MBA in Public and Not-for-Profit Management from the University of Maine and now works with Civitas, a St. Louis nonprofit that mentors high school students. She is the Democratic nominee for Missouri House District 110.

2026 priorities (per the campaign site)

Source: candidate campaign site, roster verified 2026-09-06.

Campaign site →
Verify this race
Candidate roster from official St Louis County Supervisor of Elections filings, last verified 2026-09-06. Bios and priorities carry their attribution inline.
Cross-check with the official Missouri election office, or see the full St Louis County sample ballot and your exact ballot by address.