NonpartisanIndependent, data-first coverage of US elections — polls, forecasts, and prediction markets, refreshed daily.Updated daily.What's new ↗·Methodology·Send feedback
D
Public domain
DemocratRunning for CA-48 U.S. House · 2026
Brandon Riker
The 2026 United States House of Representatives elections in California will be held on November 3, 2026, to elect the 52 U.S. representatives from the State of California, one from each of the state's congressional districts. The elections will coincide with other elections to the House of Representatives, elections to the United States Senate, and various state and local elections. The passage of Proposition 50 in 2025 significantly altered many districts. The primary elections took place on June 2, 2026.
In brief
AI · verified vs data · 2026-07-04
Brandon Riker, a Democrat, is running for California's 48th U.S. House seat in 2026. In current polling, he trails at about 6% compared to his opponent Darrell Issa, who polls at roughly 41%. Polymarket data show approximately 90% win probability. The race is rated safe Republican.
6.3%
Polling average
our aggregate
86%
Win probability
market-implied
Governing & voting record
—
No legislative record
Roll-call votes and sponsored bills are collected for members of Congress from congress.gov. There is no roll-call source for this office yet.
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
How they vote
—
No party-unity or ideology scores
Party-unity and DW-NOMINATE ideology scores are only available for candidates with a congressional roll-call record.
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Career & history
—
No career timeline
Career history is built from Wikipedia / Wikidata records. No matching public record was found for this candidate.
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
Donors & money
—
No campaign finance on file
FEC filings appear here once the candidate's committee reports. Early-cycle and self-funding candidates often have nothing on record yet.
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: HENDRIK M. STOOPS LUGO · PUBLIC DOMAIN (WIKIMEDIA COMMONS)
D
Democrat · CA-48 U.S. House
Brandon Riker
The 2026 United States House of Representatives elections in California will be held on November 3, 2026, to elect the 52 U.S. representatives from the State of California, one from each of the state's congressional districts. The elections will coincide with other elections to the House of Representatives, elections to the United States Senate, and various state and local elections. The passage of Proposition 50 in 2025 significantly altered many districts. The primary elections took place on June 2, 2026.
Brandon Riker, a Democrat, is running for California's 48th U.S. House seat in 2026. In current polling, he trails at about 6% compared to his opponent Darrell Issa, who polls at roughly 41%. Polymarket data show approximately 90% win probability. The race is rated safe Republican.
Governing & voting record
—
No legislative record
Roll-call votes and sponsored bills are collected for members of Congress from congress.gov. There is no roll-call source for this office yet.
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
Career & history
—
No career timeline
Career history is built from Wikipedia / Wikidata records. No matching public record was found for this candidate.
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
How they vote
—
No party-unity or ideology scores
Party-unity and DW-NOMINATE ideology scores are only available for candidates with a congressional roll-call record.
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Donors & money
—
No campaign finance on file
FEC filings appear here once the candidate's committee reports. Early-cycle and self-funding candidates often have nothing on record yet.
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: HENDRIK M. STOOPS LUGO · PUBLIC DOMAIN (WIKIMEDIA COMMONS)