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Just two days before the NYC mayoral election, Michael Lange issued a significant electoral prediction – going beyond who would win overall, and precinct by precinct. The analyst, an expert in elections who grew up in the city, devoted more than ten years in left-leaning activism and has become something of a well-known figure this year for his deep dives into municipal statistics and polling.

He published his highly detailed prediction map – accurately predicting that the progressive candidate was victorious although missing Andrew Cuomo’s strong performance – on his newsletter, the Narrative War. Lange has a flair for witty coinages. He highlighted, as an example, the split between the progressive stronghold, running from Park Slope to another area to a third locale, where he forecasted (correctly) that Mamdani would win by huge margins, and the conservative-leaning zone on affluent parts of Manhattan. In those areas, certain media outlets and financial newspapers surpass the New York Times” in audience and most voters favored Cuomo, who ran as a moderate alternative.

Election Night Patterns and Unexpected Results

What was your election night?

I had to do that since they were adding approximately 200K votes into the system frequently! I felt somewhat anxious initially: The candidate led the early vote by 12 points, but there were two big batches of votes that came in after that and his lead went from 12 to 8%. I was worried.

You know, there was a world where election day went somewhat badly for Mamdani, where Cuomo would have basically increasing his support from the Democratic primary. However the winner added 500,000 supporters to his primary coalition, and this was critical why he won. He went out and massively expanded his base from the primary.

Coalition Building

How did Mamdani gain those extra votes from?

He built the alliance that progressives long aimed for: it’s multiracial, it’s young, it’s renters and it’s people facing cost pressures. He improved significantly with minority communities, everyday New Yorkers, compared to the earlier election. Additionally he boosted his core of liberal progressives, youthful radicals, and immigrant groups. Victory required without making those significant inroads.

He created the alliance that the left long aimed for: multiracial, young, renters and residents squeezed by affordability

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

It is a real thing, limited to Hispanic laborers, south Asians and Muslims. Electors in immigrant strongholds that went for Trump previously went for the progressive this year. However it’s not that he was gaining Caucasian laborers and Trump loyalists.

Turnout and Effects

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

Each candidate. Participation was significantly higher than I had expected. I figured we might exceed 2 million, but it reached 2.3M – which is a lot of darn voters. Existed a substantial anti-Mamdani block, who were motivated, 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 it appears he’s favored to get over half. He has 50.4% but there’s still probably 200K ballots uncounted as of Wednesday morning. So it’s not it’s definitive, but I think it’s likely, and I hope he does so afterwards none can claim Sliwa was a spoiler.

Republican Collapse

Curtis Sliwa, the conservative contender, is the other big story. His support completely collapsed.

He didn’t win any district in any borough. Not even Tottenville in the borough, which is like an highly conservative neighborhood. That truly surprised me. Cuomo kept Caucasian districts, affluent zones and very religiously Jewish areas, and plus gained all of these conservatives on the island with a strong turnout. I believe there was significant strategic balloting by GOP voters. This happened before the former president endorsed for the candidate, but it assisted. It might have changed the outcome if Mamdani’s coalition hadn’t grown.

Progressive Strongholds

Regarding your much mentioned left-wing base – was support for Mamdani overwhelming in those parts of Brooklyn and Queens?

I think there was some weakening of the progressive zone in certain places like neighborhoods that have more older white ethnic folks. In Astoria, for example, the property owners and residents supported Cuomo. Thus there existed a little resistance. But no, largely the commie corridor is another huge reason why Mamdani prevailed – he scored between 77% and 83% in specific neighborhoods.

Jewish Voters

In the lead-up to the vote there was coverage on if the candidate was making inroads with Jewish New Yorkers. Any indication that he did?

Exist neighborhoods with a lot of non-religious and left-inclined voters – like Park Slope and Morningside Heights – where he performed strongly. However in the wealthy Jewish communities such as the Upper East Side, his Middle East stance was influential there. Likewise in the moderate communities including Queens neighborhoods, or Bronx areas – they all leaned Cuomo. Plus, you have newcomers from the former Soviet Union in the borough, they were strongly supportive. So I don’t know if existed major surprises on this one, but Mamdani retained left-leaning areas and including sections of the another locale by big margins.

Political Impact

Has Mamdani rewritten what the city means politically? Will progressive base serve as a springboard for leftwing candidates?

Absolutely, it’s no coincidence that key figures from progressives come from a handful of neighborhoods in Brooklyn, Queens and the Bronx. I’m sure that there will be additional examples – candidates will emerge from these neighborhoods to be elevated nationally.

But I think that each urban center in the US can have similar progressive hubs. Cities are the centers of progressive influence in America – since they’re young, people rent and they represent locales where people are crushed by the inequalities exist.