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Just 48 hours before the New York race for mayor, Michael Lange issued a significant electoral prediction – going beyond the winner citywide, but block by block. The analyst, an expert in elections born and raised in the city, devoted more than ten years in progressive politics and has become something of a well-known figure recently for his deep dives into city data and polling.

He released his highly detailed prediction map – accurately predicting that Zohran Mamdani would win while missing the independent candidate’s strong performance – on his Substack, his platform. Lange has a flair for witty coinages. He pointed out, for instance, the divide between the “commie corridor”, running from Park Slope to Bushwick to a third locale, where he forecasted (correctly) that the left-wing candidate would triumph 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 outrank the New York Times” in audience and most voters leaned toward the independent, who ran as a conservative-courting independent.

Voting Day Patterns and Surprises

How was your election night?

It was necessary because they were adding approximately 200K ballots into the tally every few minutes! I felt a little nervous initially: Mamdani led the early vote by a dozen percentage points, but came large groups of votes added later and his lead went from 12% to 8%. It was concerning.

You know, it was possible in which election day went kind of poorly for Mamdani, where Cuomo was going to end up basically doubling his votes from the earlier contest. However the winner added 500,000 supporters to his initial base, and this was critical why he won. He went out and greatly broadened his support from the primary.

Coalition Building

How did the mayor-elect get additional support from?

He built the alliance that the left always wanted to build: diverse racially, youthful, it’s renters and it’s people squeezed by affordability. He gained significantly with minority communities, everyday New Yorkers, compared to the earlier election. Additionally he boosted his base of liberal progressives, youthful radicals, and Muslims and south Asians. Victory required without making those significant inroads.

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

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

It is a genuine phenomenon, limited to Hispanic laborers, south Asians and Islamic voters. Voters in ethnic enclaves that went for Trump last year went for Zohran now. However it’s not that he was winning over Caucasian laborers and Maga voters.

Turnout and Impact

One of the big stories of the election was the sky-high participation. Who did that help?

Both sides. Turnout was significantly higher than anticipated. I figured it could exceed 2 million, but it’s closer to 2.3M – that is a lot of darn voters. There was a decent opposition group, energized, but his supporters was also motivated, and that was enough to secure victory.

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

Currently it appears he’s favored to get over half. He’s at just over 50% but remain probably 200K ballots left to report as of Wednesday morning. So it’s not certain, but I think it’s likely, and I hope he achieves it so then none can claim Sliwa was a spoiler.

Republican Collapse

The GOP candidate, the conservative contender, was another surprise. His vote completely collapsed.

He didn’t win a single precinct in any area. Not even one neighborhood in the borough, similar to an highly conservative area. That truly surprised me. Cuomo held very white areas, very wealthy areas and devout communities, and then added all of these conservatives on Staten Island who had a high participation. I believe there was a lot of strategic balloting by the Republicans. This happened before Trump endorsed for Cuomo, but it assisted. It could have even turned the tide unless the winning alliance failed to expand.

Progressive Strongholds

Regarding your often-discussed “commie corridor” – did backing for the candidate overwhelming in those parts of Brooklyn and Queens?

I think there was a little dilution of the commie corridor in some areas like neighborhoods that have older Caucasian residents. In Astoria, for example, the Greek landlords and residents all went for the independent. So there was some opposition. But no, mostly the commie corridor is a key factor why Mamdani prevailed – he scored between high percentages 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 the community. Any indication that he did?

There are neighborhoods with many secular and more progressive-leaning Jews – such as Park Slope and Morningside Heights – where he performed strongly. However in the affluent districts such as the Upper East Side, his Middle East stance definitely mattered in those places. Similarly in the more middle-class Jewish areas including Forest Hills, Rego Park, or Bronx areas – they favored Cuomo. And also, you have newcomers from Eastern Europe in the borough, who were pretty staunchly Cuomo. So it’s unclear if there were major surprises on this one, but Mamdani did hold left-leaning areas and even parts of the another locale with large leads.

Long-Term Significance

Has Mamdani rewritten what the city represents in politics? Will commie corridor serve as a springboard for progressive contenders?

Absolutely, it’s not accidental that some of the biggest figures from the left come from a handful of neighborhoods in the boroughs. I believe that we’ll see more of that – people will come from these areas to be promoted to higher office.

But I believe that each urban center in the US could develop their own commie corridor. Urban places are the centers of leftwing power in America – because they’re young, people rent and they represent locales where people are crushed by the disparities exist.