CalledUnofficial results
Michigan House District 40
Michigan House of Representatives · Michigan
Matt Longjohn won re-election by 28.4 points over Robert Sitarski.
Matt LongjohnDemocrat · winner · incumbent
64.1%30,733
Robert SitarskiRepublican
35.7%17,121
NonpartisanNonpartisan
0.2%94
100% of the expected vote counted · 47,948 votes
Source: civicAPI unofficial results and race callsUpdated Nov 5, 2026, 7:57 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.
Matt LongjohnNo Republican
$74.5K
Raised by the campaign
—
$95.5K
Spent by the campaign
—
$15.7K
Cash on hand
—
Campaign money: Michigan Bureau of Elections, through Oct 18, 2026.
Source: Michigan Bureau of Elections campaign filingsUpdated Oct 18, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Matt Longjohn
- >99%
- Robert Sitarski
- <1%
- Projected margin
- D+26.8
The candidates
Matt Longjohn (D)
Incumbent, Michigan House of Representatives, first elected 2024Robert Sitarski (R)
Incumbent, Michigan House of Representatives, first elected 2024Robert Sitarski (R)
Also on the ballot: Nonpartisan (Nonpartisan), 0.2%