People / Compare / Erin Houchin and Mark B. Messmer
How do Erin Houchin and Mark B. Messmer compare?
Erin Houchin and Mark B. Messmer voted the same way on 98% of the 650 roll calls where both voted in the 119th Congress (median for two House members of the same party 95%), as of Nov 2, 2026.
Both represent Indiana in the House.
| Measure | Houchin | Messmer | House median |
|---|---|---|---|
| Attendance | 98% | 98% | 98% |
| With own party, party-line votes | 99% | 99% | 98% |
| Same vote as the other party | 11% | 13% | 12% |
Source: Voteview: Houchin · Voteview: Messmer · How we measure · Updated Nov 2, 2026
Where they agree and split, by policy area
| Policy area | Same vote |
|---|---|
| Economics and Public Finance | 93% |
| Armed Forces and National Security | 93% |
| Environmental Protection | 94% |
| Commerce | 96% |
| Public Lands and Natural Resources | 96% |
| Congress | 100% |