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Just two days prior to the New York race for mayor, Michael Lange made a significant forecast – going beyond the winner citywide, but block by block. Lange, an expert in elections who grew up in the city, has spent more than ten years in left-leaning activism and has become something of a local celebrity recently for his thorough analyses into city data and polling.

He released his highly detailed prediction map – which correctly forecast that Zohran Mamdani would win while failed to predict the independent candidate’s strong performance – on his Substack, his platform. He possesses a talent for clever terms. He pointed out, for instance, the divide between the progressive stronghold, running from one neighborhood to another area to a third locale, where he predicted (accurately) that Mamdani would win by huge margins, and the conservative-leaning zone on Manhattan’s Upper East and Upper West Sides. There, “the Free Press and Wall Street Journal surpass the mainstream paper” in audience and most voters leaned toward the independent, who ran as a conservative-courting independent.

Voting Day Trends and Unexpected Results

What was your election night?

It was necessary because they were dropping around 200,000 ballots into the system frequently! I was actually somewhat anxious initially: The candidate led the initial ballots by a dozen percentage points, but came two big batches of ballots added later and his lead dropped from 12 to 8%. It was concerning.

You know, it was possible in which election day went kind of poorly for Mamdani, where Cuomo would have essentially doubling his votes from the earlier contest. But the winner gained half a million votes to his initial base, and that’s a huge reason why he won. He campaigned and greatly broadened his support from the primary.

Expanding Support

How did the mayor-elect gain additional support from?

He built the coalition that progressives long aimed for: it’s multiracial, youthful, it’s renters and it’s people facing cost pressures. He gained significantly with Black and Hispanic voters, everyday New Yorkers, compared to the earlier election. Additionally he further maximized his core of left-leaning activists, young leftists, and Muslims and south Asians. Victory required without expanding his appeal.

He built the alliance that progressives always wanted to build: diverse, youthful, tenants and people struggling with costs

There were also some supporters of both candidates – is this significant?

It’s definitely a genuine phenomenon, confined to Hispanic laborers, south Asians and Islamic voters. Voters in immigrant strongholds that went for the former president previously went for Zohran this year. However I wouldn’t say he was gaining Caucasian laborers and Maga voters.

Voter Participation and Impact

A major development of the night was the record participation. Who benefited?

Each candidate. Participation was much greater than anticipated. I thought it could go over two million, but it reached 2.3M – which is a huge number of participants. Existed a decent anti-Mamdani block, who were motivated, but his supporters was also motivated, and that was enough to secure victory.

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

Right now it appears he’s likely to surpass 50%. He’s at 50.4% but there’s still around 200K ballots left to report at that time. Thus I don’t think it’s definitive, but I believe it’s likely, and I hope he does because afterwards none can claim Sliwa was a spoiler.

Republican Collapse

Curtis Sliwa, the conservative contender, was another surprise. His support completely collapsed.

He didn’t win a single precinct in any borough. Not even Tottenville in the borough, similar to an highly conservative area. That really surprised me. The independent kept very white areas, very wealthy areas and devout communities, and plus gained all of these conservatives on the island with a strong turnout. I think there was a lot of strategic balloting by the Republicans. They were doing it prior to the former president tweeted his support for Cuomo, but that definitely helped. It might have changed the outcome unless the winning alliance failed to expand.

Progressive Strongholds

What about your much mentioned “commie corridor” – did backing for Mamdani dominant in those parts of Brooklyn and Queens?

In my view there was some weakening of the commie corridor in certain places like Astoria or Greenpoint that have older Caucasian residents. In Astoria, instance, the property owners and residents all went for the independent. So there existed some opposition. But no, largely the leftist base is a key factor why Zohran prevailed – he scored between high percentages in Fort Greene, Clinton Hill and Bushwick.

Community Support

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

There are areas with a lot of secular and more progressive-leaning Jews – such as specific locales – where he did well. But in the affluent districts like the Upper East Side, his Middle East stance definitely mattered there. Likewise in the more middle-class Jewish areas like Forest Hills, Rego Park, or Bronx areas – they favored the independent. And also, there are Jewish immigrants from Eastern Europe in southern Brooklyn, who were strongly Cuomo. Therefore it’s unclear if existed crazy narrative-busters here, but Mamdani did hold more progressive Jewish neighborhoods and even parts of the Upper West Side with large leads.

Political Impact

Has Mamdani rewritten what New York represents in politics? Will the progressive base become a launch pad for progressive contenders?

Yes, it’s no coincidence that key political leaders from progressives hail from a handful of neighborhoods in the boroughs. I believe that there will be additional examples – candidates will come from these areas to be elevated nationally.

But I think that each urban center in America can have their own commie corridor. Urban places are the centers of leftwing power in America – because they’re young, tenancy is common and they are places where individuals struggle by the disparities we face.