Democratic
Zoe Lofgren
Incumbent representative for CA-18. Voting record, ideology and biography →
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California District 18 election, 2026
Zoe Lofgren vs. Shane Lewis on a newly enacted 2026 district map.
VotePredictor forecast
Zoe Lofgren favored
Safe D · predicted margin D+28.9
100%
chance to win
2024 presidential lean
D+29.02026 national environment
D+5.5Model uncertainty
±6.9 pointsFundamentals model using district presidential lean, incumbency and the national environment. It is not a poll average.
Republican
Shane Lewis
Major-party general-election nominee.
Polls
No district-level 2026 general-election poll is currently in VotePredictor's verified polling feed for CA-18. The forecast above therefore uses fundamentals only. A poll table will appear here when matched polls are available.
Other forecasts
We have not yet ingested a district rating from these independent forecasters for CA-18; links go to their current national House ratings. Missing is shown as missing—not converted into a probability.
Candidate news
Democrats Investigate Howard Lutnick Over $1.6 Billion Deal
Commerce Secretary Howard Lutnick’s old firm recently cut a $1.6 billion rare earth metals deal, and Democrats in Congress are investigating his role in the apparent conflict of interest. Bloomberg reports that the deal, finalized last month, likely paid off …
The New Republic · July 7, 2026
Trump administration is U-turning on plan closing ocean monitoring system
The Trump administration is U-turning on its controversial decision to dismantle a critical ocean monitoring system that provides vital information on the health of the world’s oceans, after a bipartisan backlash in Congress.The National Science Foundation, w…
Slashdot.org · June 19, 2026
'More Destruction of Science': Trump Fires Every Member of US National Science Board
US President Donald Trump on Friday quietly fired every member of the independent board that governs the National Science Foundation, a move seen as an escalation of the administration's destructive war on science.Members of the National Science Board (NSB) w…
Common Dreams · April 26, 2026
Candidate field source: 2026 House election roster ↗