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Just 48 hours prior to the NYC race for mayor, Michael Lange issued a bold electoral prediction – going beyond who would win overall, but precinct by precinct. 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 this year for his deep dives into city data and polling.

He published his highly detailed prediction map – accurately predicting that the progressive candidate was victorious while missing the independent candidate’s strong performance – on his Substack, his platform. Lange possesses a talent for clever terms. He highlighted, as an example, the divide between the progressive stronghold, running from one neighborhood to Bushwick to a third locale, where he forecasted (accurately) that Mamdani would win by huge margins, and the conservative-leaning zone on affluent parts of Manhattan. In those areas, “the Free Press and financial newspapers surpass the New York Times” 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?

It was necessary since they were dropping around 200,000 votes into the tally every few minutes! I felt a little nervous at the beginning: Mamdani led the initial ballots by 12 points, but there were large groups of ballots added after that and the advantage went from 12% to 8%. It was concerning.

Understand, there was a world where election day went somewhat badly for him, in which Cuomo was going to end up essentially doubling his votes from the earlier contest. However the winner gained half a million votes to his initial base, and that’s a huge reason why he succeeded. He went out and massively expanded his base from the primary.

Expanding Support

How did Mamdani get additional support from?

He assembled the coalition that progressives always wanted to build: it’s multiracial, youthful, tenants and individuals squeezed by affordability. He gained considerably with minority communities, everyday New Yorkers, compared to the primary. Additionally he boosted his base of liberal progressives, young leftists, and immigrant groups. Victory required without making those significant inroads.

He built the coalition that the left always wanted to build: multiracial, young, tenants and residents struggling with costs

Additionally, there were a number of Trump/Mamdani voters – is that a big trend?

It is a real thing, confined to Hispanic laborers, south Asians and Islamic voters. Electors in immigrant strongholds that supported Trump last year went for Zohran now. However it’s not that he was gaining Caucasian laborers and Trump loyalists.

Voter Participation and Impact

One of the big stories of the night was the sky-high participation. Who benefited?

Each candidate. Turnout was significantly higher than anticipated. I figured it could exceed 2 million, but it’s closer to 2.3 million – which is a huge number of participants. Existed a decent anti-Mamdani block, energized, but the Mamdani base was equally driven, and that was enough to secure victory.

You forecasted he’d get over 50% of the vote. Is he likely for that?

Currently you would say he’s favored to surpass 50%. He has 50.4% but there’s still probably 200K ballots uncounted at that time. So it’s not it’s definitive, but I think it’s likely, and I hope he achieves it so then none can claim the Republican was a spoiler.

Republican Collapse

Curtis Sliwa, the Republican candidate, is the other big story. His support plummeted.

He lost any district in any borough. Not even one neighborhood in the borough, similar to an highly conservative neighborhood. That really surprised me. The independent held Caucasian districts, affluent zones and devout communities, and then added all of these conservatives on Staten Island with a strong turnout. I believe there was a lot of tactical voting by GOP voters. They were doing it before the former president endorsed for Cuomo, but that definitely helped. It might have changed the outcome if the winning alliance failed to expand.

Progressive Strongholds

What about your much mentioned left-wing base – did backing for Mamdani overwhelming in those parts of Brooklyn and Queens?

In my view existed some weakening of the commie corridor in certain places like neighborhoods that have more older white ethnic folks. There, for example, the Greek landlords and homeowners all went for Cuomo. Thus there was some opposition. However overall, largely the commie corridor is another huge reason why Mamdani won – he was polling between high percentages in specific neighborhoods.

Community Support

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

Exist areas with many non-religious and left-inclined voters – such as specific locales – where he performed strongly. However in the affluent districts like the Manhattan area, his position on Israel definitely mattered there. Likewise in the moderate communities like Queens neighborhoods, or Bronx areas – they favored the independent. Plus, there are Jewish immigrants from Eastern Europe in the borough, who were pretty staunchly supportive. Therefore I don’t know if existed crazy narrative-busters here, but he retained more progressive Jewish neighborhoods and including sections of the Upper West Side with large leads.

Long-Term Significance

Did Mamdani redefine what the city represents in politics? Will progressive base become a launch pad for leftwing candidates?

Yes, it’s not accidental that key figures from the left come from a few areas in Brooklyn, Queens and the Bronx. I’m sure that we’ll see additional examples – people will emerge from these neighborhoods to be promoted to higher office.

But I think that each urban center in America could develop similar progressive hubs. Urban places are the epicenters of progressive influence in America – since they’re young, people rent and they are places where individuals struggle by the disparities we face.