2026 results · Indiana · Indiana 8th District
Mark Messmer, the Republican, wins re-election in Indiana's 8th District
Donald Trump carried the district by 35.6 points in 2024; this year's count is a 25.0-point move toward the Democrats.
| Candidate | Votes | Share | Share of the vote |
|---|---|---|---|
| Mark MessmerRepublican, incumbent | 117,555 | 55.3% | |
| Mary AllenDemocrat | 94,979 | 44.7% |
Called by Call the Map, Nov 3, 8:33 PM EST · 93% counted.
About 93% of the expected vote counted212,534 votesCount last changed Nov 7, 4:02 PM EST · checked Nov 7, 5:00 PM ESTSource: Indiana Election Division
The map
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About the seat
Indiana's 8th District takes in all or part of 21 counties. The Republicans held it before this election. Its voters went R+35.6 for president in 2024. Its move from that vote, 25.0 points toward the Democrats, ranks 2 of 9 among the state's districts, counting from the largest move toward the Democrats.
- 2024 president
- R+35.6
- 2024 House race, same lines
- R+39.5
- Move from 2024, rank in state
- 2 of 9
- Vanderburgh County23%
- Vigo County13%
- Warrick County10%
- Dubois County7%
- Knox County4%
- Gibson County4%
- Greene County4%
- Posey County4%
- 13 more31%
Shares are of the votes counted this year. The 2024 House figure is the same district, on the same lines.
What the count shows
Added together, the 21 counties compared moved 25.0 points toward the Democrats from the 2024 presidential vote.
The counties compared cast 63% as many votes as in 2024, from 77% in Fountain County to 57% in Gibson County.
Vermillion County moved most: R+44.6 for president in 2024, R+9.5 this year
The 10 counties with the largest moves from the 2024 presidential vote, among those with 2,000 or more votes for president in 2024 and a quarter of that counted, and at least half a percent of the state's 2024 vote. Each line runs from the 2024 margin to this year’s.
2024 president 2026
Vanderburgh County added 15,628 net votes for Allen against the 2024 margin, 16% of the district's change
Across the 21 counties compared, the margin moved by 96,691 votes toward Allen: this year’s lead in votes against the 2024 presidential lead in votes, county by county. The figure counts voters who changed sides and differences in who turned out alike; the count cannot tell them apart.
- Vanderburgh County+15,628 Allen
- Vigo County+9,664 Allen
- Warrick County+8,935 Allen
- Dubois County+7,869 Allen
- Gibson County+5,684 Allen
- Greene County+5,141 Allen
- Knox County+4,736 Allen
- Daviess County+4,605 Allen
2 counties Donald Trump carried in 2024 are led by Allen this year
Striped on the map above. Largest first.
- Vanderburgh CountyR+12.6D+12.8
- Vigo CountyR+18.1D+7.9
Indiana’s ballot
All of Indiana’s resultsThe state legislatureBallot measures
The seat that changed party
StatewideDemocrats lead 2 of Indiana's 3 statewide races; Republicans lead 1.
U.S. HouseBefore the election R 7–2, now R 6–3, counting the leaders in 2 uncalled seats
won leads, still counting changed party. Margins are the leader’s share minus the runner-up’s, in points.
Every count on this page is the official count published by the Indiana Election Division. Counts are unofficial until the state certifies them. The 2024 comparison is the presidential vote, Kamala Harris against Donald Trump, on the same ground. Margins are the Democrat minus the Republican, in points of all votes.