2026 Elections · Indiana

Indiana's 8th Congressional District Candidates 2026

See every declared 2026 U.S. House candidate running in this Indiana congressional district, with FEC campaign finance and where they stand on the issues.

Source:FECUpdated Oct 19, 2026Report a correction

Who is running in Indiana's 8th Congressional District in 2026?

Mark Messmer (Republican) and Mary Allen (Democratic).

Where they stand

Sources under every entry. Sentences are AI-written from the linked source.

Where they differ: Mary Allen advocates for an economy that benefits working people by focusing on affordable homeownership, groceries, and housing, while opposing corporate price increases 1. She also supports pausing new data-center development until questions about water use, utilities, and decommissioning are answered 3. Mark Messmer has voted in favor of bills that support technology use, access to capital, privacy protections, and the reauthorization of insurance programs 2. He also voted for disapproving an EPA rule, diesel emissions reduction, marine conservation, battlefield protection, consumer fuel choice, and the HEATS Act 4.
AI-written comparison of the sourced entries below. Generated Oct 18, 2026.

Where the candidates stand, by issue
IssueMark MessmerRepublicanMary AllenDemocratic
Economy & Jobs

Messmer votes yea on multiple bills supporting technology use, capital access, privacy protections, and reauthorization of insurance programs.

Official recordSource ↗Verified Oct 15, 2026AI-written

Allen fights for an economy that works for working people by making homeownership and groceries more affordable, expanding affordable housing, and opposing corporate price hikes.

Candidate's own wordsSource ↗Verified Oct 18, 2026AI-written

Where they differ on Economy & Jobs: Mary Allen advocates for an economy that benefits working people by focusing on affordable homeownership, groceries, and housing, while opposing corporate price increases 1. Mark Messmer has voted in favor of bills that support technology use, access to capital, privacy protections, and the reauthorization of insurance programs 2.
Healthcare

Messmer votes yea on acts reauthorizing healthcare programs, improving rural care, lowering premiums, and supporting patients and communities.

Official recordSource ↗Verified Oct 15, 2026AI-written

No public position found. Check their site ↗

Immigration

Messmer votes yea on multiple immigration-related acts including securing America, supporting Homeland Security, deporting fraudsters, and reporting special interest aliens, but nay on a national emergency resolution.

Official recordSource ↗Verified Oct 15, 2026AI-written

No public position found. Check their site ↗

Public Safety & Crime

Messmer votes yea on bills enhancing prison staff safety, protecting privacy, supporting veterans' gun rights, cashless bail reporting, and keeping violent offenders off streets.

Official recordSource ↗Verified Oct 15, 2026AI-written

No public position found. Check their site ↗

Abortion

No public position found. Check their site ↗

No public position found. Check their site ↗

Taxes & Government Spending

Messmer votes yea on tax relief, budget resolutions, continuing appropriations, and multiple appropriations acts.

Official recordSource ↗Verified Oct 15, 2026AI-written

No public position found. Check their site ↗

Energy & Environment

Messmer votes yea on disapproving EPA rule, diesel emissions reduction, marine conservation, battlefield protection, consumer fuel choice, and HEATS Act.

Official recordSource ↗Verified Oct 15, 2026AI-written

Allen supports pausing new data-center development until questions about water use, utilities and decommissioning are answered.

ReportedSource ↗Verified Oct 8, 2026AI-written

Where they differ on Energy & Environment: Mary Allen supports pausing new data-center development until questions about water use, utilities, and decommissioning are answered 1. Mark Messmer voted in favor of disapproving an EPA rule, diesel emissions reduction, marine conservation, battlefield protection, consumer fuel choice, and the HEATS Act 2.
Foreign Policy & Defense

Messmer votes nay on resolutions to remove US forces from Iran and Lebanon, and yea on defense authorization and veterans clinic naming bills.

Official recordSource ↗Verified Oct 15, 2026AI-written

No public position found. Check their site ↗

Common questions

When is the election?

The general election is on November 3, 2026.

How do the candidates differ on Economy & Jobs?

Mary Allen advocates for an economy that benefits working people by focusing on affordable homeownership, groceries, and housing, while opposing corporate price increases. Mark Messmer has voted in favor of bills that support technology use, access to capital, privacy protections, and the reauthorization of insurance programs.

How do the candidates differ on Energy & Environment?

Mary Allen supports pausing new data-center development until questions about water use, utilities, and decommissioning are answered. Mark Messmer voted in favor of disapproving an EPA rule, diesel emissions reduction, marine conservation, battlefield protection, consumer fuel choice, and the HEATS Act.