CalledUnofficial results

California Assembly District 18

California State Assembly · California

Mia Bonta won re-election by 58.3 points over Andre Sandford.

Top-two primary

Mia BontaDemocrat · winner · incumbent
79.2%87,356
20.8%23,002
110,358 votes

Source: California Secretary of State unofficial resultsUpdated Nov 7, 2026, 12:54 PM ET

Where the race moved

Against the 2024 presidential vote

The seat's recent races

EvenD+79.92022 HouseD+76.12024 Pres.

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)

Money in this race

Each line compares the two campaigns on one scale.

Mia BontaNo Republican
$811.8K
Raised by the campaign
—
$696.1K
Spent by the campaign
—
$799K
Cash on hand
—

Campaign money: California Secretary of State (Cal-Access), through Oct 17, 2026.

Source: California Secretary of State (Cal-Access) campaign filingsUpdated Oct 17, 2026

Pre-election forecast (final, Nov 3)

Our model's last run before Election Day, Nov 3, 2026. It no longer updates.

No Republican was on the ballot, so the model gave the seat to Mia Bonta without simulating it.

How the forecast works →