Flipped from RepublicanCalledUnofficial resultsIncumbent defeated
Illinois Representative District 52
Illinois House of Representatives · Illinois
Maria Peterson flipped the seat for Democrats, winning by 12.5 points over Martin McLaughlin.
Maria PetersonDemocrat · winner
56.3%25,085
Martin McLaughlinRepublican · incumbent
43.7%19,497
100% of the expected vote counted · 44,582 votes
Source: civicAPI unofficial results and race callsUpdated Nov 7, 2026, 7:01 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.
Maria PetersonMartin McLaughlin
$1.2M
Raised by the campaign
$296.4K
$1.1M
Spent by the campaign
$184.2K
$223.3K
Cash on hand
$229.7K
Campaign money: Illinois State Board of Elections, through Sep 30, 2026.
Source: Illinois State Board of Elections campaign filingsUpdated Sep 30, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Maria Peterson
- 92%
- Martin McLaughlin
- 8%
- Projected margin
- D+10.3