Who is Cory Booker and what is Booker running on in the 2026 New Jersey Senate race?
Cory Booker (D) is the heavy favorite in the 2026 New Jersey Senate race, with about a 98% chance of winning, according to Kalshi and Polymarket on Sept 10.
Cory Booker is the Democratic candidate for New Jersey U.S. Senate, and the incumbent. U.S. Senator since 2013; former mayor of Newark. Election Day is Tuesday, November 3, 2026.
The race
Chance of winning: Kalshi and Polymarket, Sept 10
- The seat: Incumbent Cory Booker (D) seeking a third full term.
- Rating: Solid D (Cook, Inside Elections).
Why Booker is ahead
- New Jersey hasn’t elected a Republican senator since 1972.
- Booker had $23.1M cash on hand vs $123 for Murphy as of June 30, 2026.
- Murphy won a low-profile GOP primary with just 33%.
What Booker is running on
- Immigration. Called for closing the Delaney Hall ICE detention center in Newark and opposed a DHS detention site in Roxbury.
- Taxes. Introduced a bill to expand the standard deduction for low- and middle-income earners.
The other candidates
Every race
See every Senate and governor race on the ballot, with each candidate’s chance of winning: the 2026 midterms at a glance.
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