Called Nov 3 by civicAPIUnofficial results
Indiana's 8th District
U.S. House · Indiana
Mark Messmer won re-election by 10.6 points over Mary Allen.
Mark MessmerRepublican · winner · incumbent
55.3%117,555
Mary AllenDemocrat
44.7%94,979
212,534 votes
Source: Indiana Election Division unofficial results; race call: civicAPIUpdated Nov 7, 2026, 1:21 PM ET
Where the race moved
Against the 2024 presidential vote
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
Mary AllenMark Messmer
$493.1K
Raised by the campaign
$1.4M
$385.6K
Spent by the campaign
$1.1M
$107.5K
Cash on hand
$550.9K
Campaign money: FEC, through Oct 14, 2026.
Source: FEC campaign filingsUpdated Oct 14, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Mary Allen
- <1%
- Mark Messmer
- >99%
- Projected margin
- R+24.7
The candidates
Changes to this page
- · Race called for Messmer.