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California Races Could Determine Senate Control

· Confirmed

Politics Desk

In Short: Several California congressional races are expected to be close and could determine control of the Senate.

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Photo: GOES imagery: CSU/CIRA & NOAA / Wikimedia Commons (Public domain)

Several California congressional races are expected to be close, as counties tabulate ballots received up to seven days after Election Day, potentially determining control of the Senate.

House races in California could also determine control of Congress and the future direction of the Democratic Party, with progressive challengers seeking to oust longtime incumbents.

In the closing weeks of the campaign, a top Republican super PAC canceled its ad spending in the race to focus more on protecting seats in more conservative territory, as Cooper built a solid lead in the polls.

Cooper’s victory secures a crucial flip for Democrats as they try to take control of the Senate.

Polls show Democrats leading their Republican opponents in several key races that may determine control of the Senate, with Trump making late visits to traditional Republican strongholds in hopes of rallying his base.

Michigan has voted for Trump in two of the last three elections, yet Democrats have prevailed in every Senate race since 1994.

Michigan's Senate race is among a handful of contests expected to determine control of the chamber.

Haley Stevens, D-Mich., endorsed Republican Senate candidate Mike Rogers, a major shake-up in the final stages of a top battleground race.

Michigan's race is being closely watched nationally as it could determine control of the Senate, which is narrowly held by Republicans, 53-47.

Over $500 million has been spent on ads in the state, according to AdImpact.

What this adds

Several California congressional races are expected to be close and could determine control of the Senate, as previously noted.

Background

In the 2026 Senate races, several candidates are outperforming their poll numbers, including Republican Mike Rogers in Michigan and Maine's Susan Collins.

Several California congressional races are expected to be close and could determine control of the Senate.

What's confirmed

What's still developing

Sources