California District 10
Primary: June 2, 2026
District Demographics
Median HHI
$151,546
Unemployment
6.3%
Uninsured
3.2%
General Election
Top-Two Primary — All candidates on one ballot
Mark DeSaulnier
Inc
$567K raised
D+
2024 House Results
MARK DESAULNIER
vs66.5%
KATHERINE PICCININI
33.5%
D+33.0
Candidate Details
Mark DeSaulnier
Democratic
Grade: D+
2026 Fundraising$567K
Individuals
PACs