# Democrats swept California elections, Xavier Becerra became governor

*Politics. 58% certain. Thursday, 31 December 2026*

> Speculative fiction assembled from prediction-market prices. This has not happened.

**Kevin Mullin retained his house seat and Nithya Raman won the Los Angeles mayoralty.**

Democrats swept California's 2026 elections, installing Xavier Becerra as governor, re-electing Kevin Mullin to the U.S. House, and choosing Nithya Raman as Los Angeles mayor. The three victories gave the party control of the state's top executive office, a federal congressional seat, and the city's mayoralty. Voters cast their ballots in November for the state and congressional races and in December for the Mayoral contest.

Xavier Becerra secured the governorship on Tuesday, 3 November, defeating the Republican field and other Democratic contenders such as Steve Hilton, Toni Atkins and Katie Porter. The result confirmed that no Republican candidate won the governor's office. Becerra's victory continued the Democratic hold on the state's executive branch.

Kevin Mullin retained his house seat in California's 15th district, also on Tuesday, 3 November. He prevailed over Republican challenger Charles Hoelter. The outcome preserved the district's Democratic representation in Congress.

Nithya Raman won the Los Angeles Mayoral race on Thursday, 31 December, beating former mayor Karen Bass. The contest concluded later than the statewide elections. Raman's election added a progressive Democrat to the city's leadership.

With Becerra, Mullin and Raman all identified as Democrats, the party now controls the governor's mansion, a congressional seat and the Los Angeles mayor's office. The alignment reflects California's recent electoral trends favoring Democratic candidates.

## Analysis

The simultaneous victories give Democrats a rare alignment of power at the state, federal and municipal levels, allowing for more coordinated policy initiatives across California's executive branch and Los Angeles city government. Shared party affiliation can streamline negotiations on issues such as climate policy, housing and infrastructure that require both state and local action.

Mullin's retention of the 15th district seat maintains the Democratic caucus's numbers in the U.S. House, contributing to the party's broader legislative agenda in Congress. His presence may influence how California's priorities are voiced at the federal level, especially on matters like water management and technology regulation that affect the state's economy.

While the sweep consolidates Democratic control, it also highlights internal dynamics between progressive and establishment factions, as seen in Raman's win over a former mayor and Becerra's victory amid multiple Democratic contenders. These intra-party contests suggest that future elections could hinge on how the party balances differing policy approaches, leaving some uncertainty about the direction of upcoming legislative battles.

## What this was built from

- **California Governor Election Winner**: Xavier Becerra, 92%; settles Wednesday, 4 November 2026 (polymarket, futuur). [Market](https://polymarket.com/event/california-governor-election-2026)
- **CA-15 House Election Winner**: Kevin Mullin (D), 88%; settles Tuesday, 3 November 2026 (polymarket). [Market](https://polymarket.com/event/ca-15-house-election-winner)
- **Los Angeles Mayoral Election**: Nithya Raman, 58%; settles Thursday, 31 December 2026 (polymarket). [Market](https://polymarket.com/event/los-angeles-mayoral-election-117)
- **Will California elect a Republican governor in 2026?**: No, 97%; settles Tuesday, 3 November 2026 (manifold). [Market](https://manifold.markets/ManunCP2g/will-california-elect-a-republican)