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Only 48 hours prior to the New York race for mayor, Michael Lange issued a bold forecast – going beyond who would win overall, and precinct by precinct. Lange, a political analyst who grew up in the city, devoted more than ten years in progressive politics and has become a kind of well-known figure this year for his deep dives into municipal statistics and voter surveys.

He published his highly detailed forecast map – which correctly forecast that the progressive candidate would win while missing Andrew Cuomo’s strong performance – on his Substack, his platform. Lange has a flair for clever terms. He pointed out, as an example, the divide between the “commie corridor”, running from Park Slope to another area to Astoria, where he forecasted (correctly) that the left-wing candidate would win by large leads, and the conservative-leaning zone on Manhattan’s Upper East and Upper West Sides. There, certain media outlets and Wall Street Journal surpass the mainstream paper” in audience and the majority of electors favored the independent, who ran as a moderate alternative.

Election Night Patterns and Surprises

What was your election night?

I had to do that since they were adding around 200,000 votes into the tally every few minutes! I was actually somewhat anxious at the beginning: The candidate led the initial ballots by a dozen percentage points, but there were two big batches of ballots that came in after that and the advantage dropped from 12 to 8%. It was concerning.

Understand, it was possible where election day turned out kind of poorly for him, in which Cuomo was going to end up essentially increasing his support from the earlier contest. But the winner added 500,000 supporters to his primary coalition, and that’s a huge reason why he succeeded. He went out and greatly broadened his base from the first round.

Expanding Support

How did Mamdani gain additional support from?

He assembled the coalition that the left long aimed for: diverse racially, youthful, it’s renters and individuals squeezed by affordability. He improved significantly with Black and Hispanic voters, everyday New Yorkers, relative to the earlier election. Plus he further maximized his core of liberal progressives, youthful radicals, and immigrant groups. He couldn’t have won without expanding his appeal.

He created the coalition that the left long aimed for: multiracial, young, renters and people struggling with costs

Additionally, there were a number of Trump/Mamdani voters – is this significant?

It is a genuine phenomenon, confined to Hispanic laborers, south Asians and Islamic voters. Voters in ethnic enclaves that supported the former president last year went for the progressive this year. But I wouldn’t say he was winning over white working-class voters and Maga voters.

Turnout and Effects

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

Each candidate. Turnout was significantly higher than I had expected. I figured it could go over two million, but it’s closer to 2.3M – which is a lot of darn voters. Existed a decent opposition group, energized, but his supporters was equally driven, and that sufficed to win.

You predicted he’d get over half the ballots. Is he likely for that?

Right now you would say he’s likely to get over 50%. He’s at 50.4% but there’s still around 200K ballots uncounted at that time. So it’s not it’s definitive, but I think it’s likely, and I wish he achieves it because then none can claim Sliwa was a disruptor.

GOP Decline

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

He didn’t win a single precinct in any borough. Including one neighborhood in the borough, similar to an highly conservative neighborhood. That really was unexpected. The independent kept very white areas, very wealthy areas and devout communities, and plus gained all of these conservatives on the island with a high participation. I believe there was a lot of tactical voting by GOP voters. They were doing it before Trump tweeted his support for Cuomo, but it assisted. It might have changed the outcome if Mamdani’s coalition failed to expand.

The “Commie Corridor”

What about your much mentioned “commie corridor” – did backing for the candidate overwhelming in those areas of the boroughs?

In my view there was a little dilution of the commie corridor in certain places like neighborhoods that have more older white ethnic folks. In Astoria, instance, the Greek landlords and residents all went for the independent. So there was some opposition. However no, largely the commie corridor is a key factor why Zohran won – he was polling between 77% and 83% in Fort Greene, Clinton Hill and Bushwick.

Jewish Voters

In the lead-up to the election there was coverage on whether Mamdani was gaining ground with Jewish New Yorkers. Any indication that he did?

There are areas with many non-religious and left-inclined voters – such as Park Slope and Morningside Heights – where he performed strongly. But in the affluent districts such as the Manhattan area, his Middle East stance was influential there. Similarly in the more middle-class Jewish areas including Queens neighborhoods, or Bronx areas – they favored Cuomo. And also, you have newcomers from the former Soviet Union in southern Brooklyn, who were pretty staunchly Cuomo. Therefore it’s unclear if existed crazy narrative-busters here, but Mamdani retained left-leaning areas and even parts of the Upper West Side with large leads.

Long-Term Significance

Has Mamdani rewritten what the city represents in politics? Will the commie corridor become a launch pad for leftwing candidates?

Absolutely, it’s no coincidence that key political leaders from progressives hail from a few areas in the boroughs. I’m sure that there will be additional examples – people will come from these areas to be elevated nationally.

However I think that each urban center in the US can have similar progressive hubs. Cities are the epicenters of leftwing power in America – because youth reside there, tenancy is common and they are places where people are crushed by the disparities exist.