California Primary Election Tuesday, June 2, 2026
Unofficial Election Results
U.S. House of Representatives District 18 - Districtwide Results
Unofficial Election Results
Results will be certified by July 10, 2026.
( 289 of 289 ) precincts partially
reporting as of June 9, 2026, 6:57 p.m. 
Total Registered Voters within District - 377,790
Visit the County Reporting Status page to determine when a county has submitted its latest report.
Vote-by-mail, provisional, and other ballots will continue to be processed and counted after Election Night.
Election results will change throughout the ballot counting canvass period as vote-by-mail ballots, provisional ballots (including conditional voter registration provisional ballots), and other ballots are tallied.
| Candidate | Votes | Percent | |
|---|---|---|---|
| Luis Arreguín (Party Preference: DEM) | 13,335 | 12.3% | |
| Zoe Lofgren (Party Preference: DEM) | 60,194 | 55.3% | |
| Shane Lewis (Party Preference: REP) | 32,204 | 29.6% | |
| Chris Demers (Party Preference: NPP) | 3,121 | 2.9% | |
