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Just two days before the NYC race for mayor, Michael Lange issued a bold forecast – going beyond the winner citywide, and precinct by precinct. The analyst, a political analyst born and raised in the city, devoted more than ten years in progressive politics and has become something of a local celebrity this year for his deep dives into city data and voter surveys.

He published his extremely precise forecast map – which correctly forecast that the progressive candidate would win while missing the independent candidate’s solid showing – on his Substack, his platform. Lange has a flair for clever terms. He pointed out, as an example, the divide between the progressive stronghold, stretching from Park Slope to Bushwick to a third locale, where he forecasted (accurately) that the left-wing candidate would triumph by large leads, and the conservative-leaning zone on affluent parts of Manhattan. In those areas, certain media outlets and financial newspapers outrank the mainstream paper” in audience and most voters favored Cuomo, who ran as a conservative-courting independent.

Election Night Patterns and Surprises

What was your election night?

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

You know, it was possible in which yesterday turned out kind of poorly for him, where Cuomo was going to end up essentially doubling his votes from the earlier contest. But Mamdani gained half a million votes to his initial base, and that’s a huge reason why he succeeded. He campaigned and greatly broadened his support from the first round.

Coalition Building

How did the mayor-elect gain those extra votes from?

He built the coalition that the left long aimed for: it’s multiracial, it’s young, it’s renters and it’s people squeezed by affordability. He gained considerably with minority communities, working- and middle-class voters, relative to the earlier election. Plus he boosted his base of liberal progressives, young leftists, and immigrant groups. He couldn’t have won without expanding his appeal.

He created the alliance that the left long aimed for: diverse, youthful, renters and people struggling with costs

There were also some supporters of both candidates – is that a big trend?

It is a genuine phenomenon, confined to Hispanic laborers, Asian communities and Islamic voters. Electors in ethnic enclaves that went for the former president previously went for the progressive now. However it’s not that he was winning over white working-class voters and Trump loyalists.

Voter Participation and Effects

One of the big stories of the night was the record turnout. Who benefited?

Each candidate. Participation was significantly higher than anticipated. I figured we might go over two million, but it’s closer to 2.3M – which is a lot of darn voters. Existed a substantial opposition group, who were motivated, but his supporters was also motivated, and that was enough to win.

You predicted he’d exceed 50% of the vote. Is he on course for that?

Right now it appears he’s favored to get over 50%. He’s at 50.4% but remain around 200,000 votes left to report at that time. Thus I don’t think it’s definitive, but I think probable, and I wish he achieves it so then no one can say the Republican was a disruptor.

Republican Collapse

The GOP candidate, the conservative contender, is the other big story. His support completely collapsed.

He lost any district in any borough. Including Tottenville in Staten Island, similar to an highly conservative area. That really surprised me. The independent held very white areas, very wealthy areas and devout communities, and then added many Republicans on the island who had a strong turnout. I think occurred significant strategic balloting by the Republicans. They were doing it prior to the former president tweeted his support for Cuomo, but it assisted. It might have changed the outcome if Mamdani’s coalition failed to expand.

Progressive Strongholds

Regarding your often-discussed “commie corridor” – was support for Mamdani dominant in those areas of the boroughs?

I think existed some weakening of the commie corridor in some areas like Astoria or Greenpoint that have older Caucasian residents. There, for example, the Greek landlords and residents supported Cuomo. So there existed a little resistance. However no, largely the leftist base is another huge reason why Mamdani prevailed – he was polling between 77% and 83% in Fort Greene, Clinton Hill and Bushwick.

Jewish Voters

Prior to the election there was coverage on if Mamdani was gaining ground with the community. Any indication that he succeeded?

Exist neighborhoods with many secular and more progressive-leaning Jews – such as Park Slope and Morningside Heights – where he did well. However in the affluent districts such as the Manhattan area, his Middle East stance was influential in those places. Likewise in the moderate communities including Forest Hills, Rego Park, or Bronx areas – they favored Cuomo. Plus, you have Jewish immigrants from the former Soviet Union in southern Brooklyn, who were strongly supportive. So I don’t know if there were crazy narrative-busters on this one, but Mamdani retained left-leaning areas and even parts of the Upper West Side with large leads.

Long-Term Significance

Did Mamdani redefine what the city means politically? Will the progressive base become a launch pad for progressive contenders?

Absolutely, it’s no coincidence that some of the biggest figures from the left hail from a handful of neighborhoods in Brooklyn, Queens and the Bronx. I believe that we’ll see additional examples – people will emerge from these areas to be elevated nationally.

But I think that each urban center in America could develop similar progressive hubs. Urban places are the epicenters of progressive influence in America – because youth reside there, tenancy is common and they are places where individuals struggle by the disparities exist.