CalledUnofficial results
Illinois Representative District 42
Illinois House of Representatives · Illinois
Margaret A. Delarosa won re-election by 32.6 points over Stephanie W. Trussell.
Margaret A. DelarosaDemocrat · winner · incumbent
66.3%28,985
Stephanie W. TrussellRepublican
33.7%14,717
100% of the expected vote counted · 43,702 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.
Margaret A. DelarosaStephanie W. Trussell
$215.2K
Raised by the campaign
$32.3K
$151.5K
Spent by the campaign
$27.5K
$63.8K
Cash on hand
$4.8K
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.
- Margaret A. Delarosa
- >99%
- Stephanie W. Trussell
- <1%
- Projected margin
- D+31.5