# Democrats won California governorship and other key races

*Politics. 54% certain. Thursday, 31 December 2026*

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

**The party also secured the Wisconsin governorship in a close November contest.**

Democrats captured a series of high-profile elections across the nation this week. Xavier Becerra was elected governor of California on 3 November. The party also won the Wisconsin governorship on 4 November. In addition, Democrats secured a Michigan Senate seat, an Ohio Senate special seat, and the Los Angeles mayoralty.

Becerra defeated three prominent opponents in the California race. The challengers included Steve Hilton, Katie Porter and Tom Steyer. Voters cast their ballots on 3 November, delivering the governorship to the Democratic nominee.

The Democratic candidate won the Wisconsin governorship on 4 November. The result confirmed the party's success in the state's executive race. It followed the California election earlier that month.

Abdul El Sayed secured the Michigan Senate seat on 3 November. He won both the primary and the general election as the Democratic nominee. In Ohio, a Democratic candidate won the senate special election on 23 November. Both victories expanded the party's representation in the senate.

Karen Bass was elected mayor of Los Angeles on 31 December. She defeated Nithya Raman in the city's contest. Bass's win added a major municipal office to the Democratic sweep.

## Analysis

The string of victories gives Democrats control of several pivotal executive offices and adds to their legislative presence, strengthening their ability to shape policy at both state and federal levels.

The Senate wins in Michigan and Ohio improve the Democratic caucus's numbers, potentially affecting the balance of power in the chamber and the passage of party-backed bills, though the exact margin remains uncertain.

Karen Bass's Mayoral victory in Los Angeles secures a major urban stronghold for the party, reinforcing its urban base and offering a platform for implementing local initiatives that may serve as models for broader policy proposals.

## What this was built from

- **California Governor Election Winner**: Xavier Becerra, 93%; settles Tuesday, 3 November 2026 (polymarket, futuur). [Market](https://polymarket.com/event/california-governor-election-2026)
- **Will Democrats win the 2026 Wisconsin Gubernatorial election?**: Yes, 73%; settles Wednesday, 4 November 2026 (manifold). [Market](https://manifold.markets/Jack1/will-democrats-win-the-2026-wiscons)
- **Will Abdul El Sayed win the primary and general for senate in Michigan?**: Yes, 62%; settles Tuesday, 3 November 2026 (manifold). [Market](https://manifold.markets/Jack1/will-abdul-el-sayed-win-the-primary)
- **Will a Democrat win the Ohio Senate special election?**: Yes, 54%; settles Monday, 23 November 2026 (manifold). [Market](https://manifold.markets/SemioticRivalry/if-jd-vances-senate-seat-opens-up-w)
- **Los Angeles Mayoral Election**: Karen Bass, 65%; settles Thursday, 31 December 2026 (polymarket). [Market](https://polymarket.com/event/los-angeles-mayoral-election-117)