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Just 48 hours prior to the New York race for mayor, political analyst Michael Lange made a bold forecast – going beyond who would win citywide, but block by block. Lange, an expert in elections who grew up in the city, devoted over a decade in left-leaning activism and emerged as a kind of local celebrity this year for his thorough analyses into city data and voter surveys.

He published his highly detailed forecast map – accurately predicting that the progressive candidate was victorious while failed to predict the independent candidate’s solid showing – on his newsletter, his platform. Lange has a flair for clever terms. He highlighted, for instance, the split between the progressive stronghold, stretching from Park Slope to another area to Astoria, where he predicted (correctly) that Mamdani would triumph by huge margins, and the conservative-leaning zone on affluent parts of Manhattan. There, certain media outlets and financial newspapers outrank the New York Times” in readership and most voters favored Cuomo, campaigning as a moderate alternative.

Election Night Patterns and Unexpected Results

How was your election night?

It was necessary since they were adding around 200,000 votes into the tally frequently! I felt a little nervous initially: Mamdani led the initial ballots by 12 points, but there were large groups of votes added after that and the advantage dropped from 12% to 8%. It was concerning.

You know, there was a world where election day turned out somewhat badly for Mamdani, in which the opponent was going to end up basically doubling his votes from the earlier contest. However the winner gained half a million supporters to his initial base, and this was critical why he succeeded. He went out and massively expanded his support from the first round.

Coalition Building

Where did the mayor-elect get those extra votes from?

He assembled the coalition that the left always wanted to build: diverse racially, it’s young, it’s renters and individuals squeezed by affordability. He improved significantly with minority communities, working- and middle-class voters, compared to the primary. Additionally he further maximized his base of left-leaning activists, young leftists, and immigrant groups. Victory required without making those significant inroads.

He created the coalition that the left always wanted to build: diverse, young, tenants and people struggling with costs

Additionally, there were some Trump/Mamdani voters – is this significant?

It is a real thing, confined to Hispanic laborers, Asian communities and Islamic voters. Electors in immigrant strongholds that went for Trump previously went for Zohran this year. But it’s not that he was winning over white working-class voters and Trump loyalists.

Turnout and Effects

A major development of the night was the sky-high participation. Who benefited?

Each candidate. Turnout was significantly higher than anticipated. I thought it could exceed 2 million, but it reached 2.3M – that is a lot of darn voters. Existed a substantial anti-Mamdani block, who were motivated, but the Mamdani base was also motivated, and that sufficed to secure victory.

You forecasted he’d get over half the ballots. Is he on course for that?

Right now it appears he’s favored to get over 50%. He’s at 50.4% but there’s still around 200K ballots left to report as of Wednesday morning. Thus it’s not certain, but I think it’s likely, and I hope he does because afterwards no one can say Sliwa was a spoiler.

GOP Decline

Curtis Sliwa, the conservative contender, is the other big story. His vote completely collapsed.

He lost a single precinct in any borough. Not even Tottenville in Staten Island, similar to an 88% Trump area. That really was unexpected. The independent kept very white areas, affluent zones and very religiously Jewish areas, and then added many Republicans on Staten Island with a high participation. I believe there was significant tactical voting by the Republicans. This happened prior to Trump endorsed for the candidate, but that definitely helped. It might have changed the outcome unless the winning alliance hadn’t grown.

Progressive Strongholds

Regarding your often-discussed left-wing base – was support for the candidate dominant in those parts of the boroughs?

I think existed a little dilution of the progressive zone in some areas like neighborhoods that have more older white ethnic folks. There, for example, the Greek landlords and homeowners supported the independent. Thus there was a little resistance. But no, largely the leftist base is a key factor why Zohran won – he scored between high percentages in specific neighborhoods.

Community Support

Prior to the vote there was coverage on whether the candidate was making inroads with Jewish New Yorkers. Any indication that he succeeded?

There are areas with a lot of non-religious and left-inclined voters – like Park Slope and Morningside Heights – where he performed strongly. But in the wealthy Jewish communities like the Upper East Side, his Middle East stance was influential in those places. Likewise in the more middle-class Jewish areas like Queens neighborhoods, or Bronx areas – they favored the independent. Plus, there are Jewish immigrants from Eastern Europe in the borough, they were strongly supportive. So it’s unclear if existed major surprises here, but he did hold more progressive Jewish neighborhoods and including sections of the Upper West Side with large leads.

Political Impact

Did Mamdani redefine what New York represents in politics? Will progressive base become a launch pad for progressive contenders?

Yes, it’s no coincidence that some of the biggest figures from progressives come from a few areas in Brooklyn, Queens and the Bronx. I believe that we’ll see more of that – candidates will come from these areas to be promoted to higher office.

But I think that every city in America could develop similar progressive hubs. Cities are the centers of progressive influence in the nation – since youth reside there, tenancy is common and they are places where individuals struggle by the disparities we face.