The Ballot Brief
St. Louis County, Missouri

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.

About this race

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.

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.

Missouri › St. Louis County › Missouri House District 110

Niles Stephens

Republican

Top priorities

  • Working with law enforcement to keep neighborhoods safe
  • Continuing to lower property taxes for Missouri families

Per the campaign site.

Biography

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.

Claire Heinrich

Democratic

Top priorities

  • Supporting public education funding
  • Investing in infrastructure, including roads and bridges
  • Representing the concerns of District 110 constituents directly

Per the campaign site.

Biography

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.

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Questions about this race

Who is running for Missouri House District 110 in 2026?

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.

When is the Missouri House District 110 election in Missouri?

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

How do I see my exact St. Louis 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 St. Louis County and state election office filings, last verified October 2, 2026. 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.

The rest of your St. Louis County ballot

38 tracked races in St. Louis County, Missouri. Landed here from another county's search? Look up your own ballot below.

Also on your ballot
Missouri Senate District 14Missouri Senate District 24Missouri Senate District 26See all 38 St. Louis County races
Candidate profiles
Niles Stephens, full profileClaire Heinrich, full profileOfficial Missouri election office