CalledUnofficial results
Illinois Legislative District 45
Illinois State Senate · Illinois
Andrew Chesney won re-election by 20.0 points over Democratic.
Staggered Senate
Andrew ChesneyRepublican · winner · incumbent
60.0%50,252
DemocraticDemocrat
40.0%33,504
100% of the expected vote counted · 83,756 votes
Source: civicAPI unofficial results and race callsUpdated Nov 7, 2026, 2:10 AM 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.
No DemocratAndrew Chesney
—
Raised by the campaign
$675.8K
—
Spent by the campaign
$659.7K
—
Cash on hand
$69.4K
Other candidates' campaigns: Joseph H. "Joe" Berning $31.8K.
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.
No Democrat was on the ballot, so the model gave the seat to Andrew Chesney without simulating it.
How the forecast works →