Riding profile

CA-15

US House district — CA · Mixed · us ca

The question

CA-15: a safe seat for the Democrats?

Current forecast

Democrat

Safe

Probability
100%
Mean margin (pts)
59.7
P(close race)
0%

Projected vote share

Projection by party

  • Democrat 79.9%

    Kevin Mullin incumbent

  • Republican 20.1%

    Charles Hoelter

Watch list

The tightest races

Smallest projected margin. Open one for the numbers.

  1. FL-22Democrat68 %1.1 pt margin
  2. AZ-2Republican57 %1.1 pt margin
  3. OH-10Democrat60 %1.1 pt margin

In context

How this riding stacks up

Democrat Republican
HereCA-15 79.9%20.1%
National averageUnited States 54.3% +25.5 44.9% −24.8

Nationwide averages computed across the 435 riding-level projections (unweighted mean).

Projection track

How the projection has moved

Editorial read

CA-15, a mixed riding in CA, elected a member with the Democrats in the previous cycle, with a 47-point margin. The Vote-Scope model projects the Democrats ahead at 80% vote share, against 20% for the Republicans, and the probability of a close race is negligible.

Sitting member

MULLIN, KEVIN

Sits with Democrat

Primary race

Primary results

Held Jun 2, 2026 · Certified official result

Top-two primary

Advanced to the general election

Kevin Mullin 65.0%

107,496 votes

Advanced to the general election

Charles Hoelter 18.4%

30,476 votes

Official source →

Who's running

The candidates

Declared and on-ballot candidates for the upcoming election.

  • Democrat Incumbent

    Mullin, Kevin

  • Republican Open seat

    Charles Hoelter

Previous election · 2024

Won by
Democrat
Margin
46.6 pts
Margin shift vs current projection
+13.1 pts
Last model run
Cycle
us_house_2026