Did Prop. 50 pass in California? Who won the governor race in New Jersey? See results and analysis as Democrats sweep off-year elections.

New York City mayoral candidate Zohran Mamdani (2nd R) celebrates alongside his wife Rama Duwaji (2nd L), his parents Mahmood Mamdani (L) and Mira Nair during an election night event at the Brooklyn Paramount Theater in Brooklyn, New York, on Nov. 4, 2025.

NBC News' Gary Grumbach reports on the key election results to watch for, from the race for New York city mayor to the vote on California's congressional redistricting plans. He also spoke exclusively to DNC Chair Ken Martin about the upcoming elections and his party's plans to gain control back of Congress in 2026.

Los Angeles, New York City and San Francisco build housing at some of the slowest rates of major cities in the country. Over the past decade, New York City added just 30.6 housing units per 1,000 residents — far fewer than Atlanta or Miami’s roughly 140 housing units — according to NYU’s Furman Center data.

In a major win for Gov. Gavin Newsom and Democrats, the state can now adopt new maps with more blue-leaning districts.

Odd-year elections don't get much attention, but there is no shortage of big decisions voters will be making on Nov. 4

California has the highest state income tax rate in the nation for the wealthy – 13.3% for incomes of $1 million and above. But the state also has very progressive tax brackets, and studies have found that people with lower and middle class incomes tend to pay at rates competitive with many other states.