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

Mamdani began his victory speech with a quote from socialist Eugene V. Debs, saying, "The sun may have set over our city this evening, but as Eugene Debs once said, 'I can see the dawn of a better day for humanity.'"

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.

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.

Gavin Newsom accuses Trump of ‘rigging mid-terms’ as California approves redistricting measures to help win back the House

The 34-year-old thanked his Indian-born parents, quoted a historic speech by India’s first prime minister and turned his victory rally into a Bollywood-style street party.