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Only 48 hours prior to the NYC race for mayor, Michael Lange issued a significant forecast – not just the winner overall, but precinct by precinct. The analyst, a political analyst born and raised in New York City, devoted over a decade in left-leaning activism and emerged as a kind of well-known figure this year for his deep dives into city data and polling.

He published his highly detailed prediction map – which correctly forecast that Zohran Mamdani was victorious although failed to predict Andrew Cuomo’s solid showing – on his Substack, his platform. He has a flair for witty coinages. He pointed out, for instance, the split between the progressive stronghold, running from one neighborhood to another area to Astoria, where he predicted (correctly) that Mamdani would win by large leads, and the conservative-leaning zone on Manhattan’s Upper East and Upper West Sides. In those areas, certain media outlets and Wall Street Journal surpass the mainstream paper” in readership and most voters leaned toward the independent, who ran as a moderate alternative.

Voting Day Patterns and Surprises

What was your election night?

It was necessary since they were dropping approximately 200K ballots into the tally every few minutes! I felt a little nervous initially: Mamdani led the early vote by 12 points, but came large groups of ballots that came in after that and his lead dropped from 12 to 8%. I was worried.

Understand, it was possible where yesterday went kind of poorly for him, where the opponent was going to end up essentially increasing his support from the Democratic primary. But the winner gained 500,000 supporters to his initial base, and this was critical why he won. He went out and massively expanded his base from the primary.

Coalition Building

How did Mamdani get those extra votes from?

He assembled the coalition that the left long aimed for: it’s multiracial, it’s young, it’s renters and individuals facing cost pressures. He gained considerably with minority communities, working- and middle-class voters, compared to the primary. Additionally he boosted his core of left-leaning activists, young leftists, and immigrant groups. Victory required without expanding his appeal.

He created the coalition that the left always wanted to build: multiracial, young, tenants and people squeezed by affordability

There were also a number of Trump/Mamdani voters – is this significant?

It’s definitely a genuine phenomenon, confined to Hispanic laborers, Asian communities and Islamic voters. Voters in ethnic enclaves that went for Trump last year went for the progressive now. But it’s not that he was winning over white working-class voters and Maga voters.

Turnout and Impact

A major development of the night was the sky-high turnout. Who did that help?

Both sides. Turnout was significantly higher than I had expected. I figured we might go over 2 million, but it reached 2.3M – which is a lot of darn voters. Existed a decent anti-Mamdani block, energized, but the Mamdani base was also motivated, and that sufficed to win.

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

Currently you would say he’s favored to get over half. He’s at 50.4% but there’s still around 200,000 votes left to report as of Wednesday morning. Thus I don’t think it’s definitive, but I believe it’s likely, and I hope he does so then none can claim the Republican was a disruptor.

Republican Collapse

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

He didn’t win any district in any borough. Not even one neighborhood in Staten Island, which is like an 88% Trump area. That truly was unexpected. Cuomo kept Caucasian districts, affluent zones and devout communities, and then added many conservatives on the island who had a strong turnout. I think there was a lot of strategic balloting by the Republicans. This happened before Trump endorsed for Cuomo, but that definitely helped. It could have even turned the tide if the winning alliance failed to expand.

The “Commie Corridor”

What about your much mentioned “commie corridor” – was support for the candidate dominant in those areas of Brooklyn and Queens?

I think existed a little dilution of the progressive zone in certain places like neighborhoods that have more older white ethnic folks. There, for example, the property owners and residents supported the independent. So there existed some opposition. But overall, mostly the commie corridor is a key factor why Mamdani won – he was polling between 77% and 83% in Fort Greene, Clinton Hill and Bushwick.

Community Support

Prior to the vote there was coverage on if Mamdani was making inroads with the community. Any indication that he succeeded?

Exist neighborhoods with a lot of secular and more progressive-leaning Jews – such as Park Slope and Morningside Heights – where he did well. However in the wealthy Jewish communities like the Upper East Side, his Middle East stance definitely mattered there. Likewise in the more middle-class Jewish areas including Forest Hills, Rego Park, or Spuyten Duyvil and Riverdale – they favored Cuomo. And also, you have Jewish immigrants from Eastern Europe in the borough, they were strongly supportive. So it’s unclear if there were crazy narrative-busters on this one, but Mamdani retained more progressive Jewish neighborhoods and including sections of the Upper West Side by big margins.

Long-Term Significance

Did Mamdani redefine what the city means politically? Will commie corridor serve as a springboard for leftwing candidates?

Absolutely, it’s not accidental that some of the biggest political leaders from the left hail from a few areas in the boroughs. I’m sure that we’ll see more of that – people will come from these areas to be elevated nationally.

But I believe that each urban center in the US can have their own commie corridor. Urban places are the epicenters of leftwing power in the nation – since they’re young, tenancy is common and they are places where people are crushed by the disparities we face.