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Just 48 hours before the NYC race for mayor, Michael Lange made a significant electoral prediction – not just who would win overall, but block by block. Lange, an expert in elections who grew up in the city, devoted over a decade in progressive politics and has become a kind of local celebrity this year for his deep dives into municipal statistics and polling.

He published his extremely precise forecast map – accurately predicting that the progressive candidate was victorious although failed to predict the independent candidate’s strong performance – on his newsletter, the Narrative War. He has a flair for clever terms. He highlighted, for instance, the divide between the “commie corridor”, running from Park Slope to another area to Astoria, where he forecasted (accurately) that Mamdani would triumph by huge margins, and the conservative-leaning zone on Manhattan’s Upper East and Upper West Sides. In those areas, “the Free Press and financial newspapers surpass the New York Times” in readership and most voters leaned toward Cuomo, campaigning as a moderate alternative.

Voting Day Patterns and Surprises

What was your night?

I had to do that because they were adding approximately 200K votes into the system frequently! I was actually somewhat anxious at the beginning: The candidate was ahead the early vote by a dozen percentage points, but there were large groups of votes added after that and the advantage went from 12 to 8%. It was concerning.

You know, there was a world in which yesterday went kind of poorly for Mamdani, where Cuomo was going to end up basically doubling his votes from the earlier contest. But Mamdani gained 500,000 votes to his primary coalition, and that’s a huge reason why he won. He campaigned and massively expanded his support from the primary.

Expanding Support

How did the mayor-elect gain additional support from?

He assembled the coalition that the left always wanted to build: it’s multiracial, youthful, tenants and it’s people facing cost pressures. He improved significantly with Black and Hispanic voters, everyday New Yorkers, relative to the primary. Plus he boosted his base of left-leaning activists, young leftists, and immigrant groups. He couldn’t have won without making those significant inroads.

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

Additionally, there were some supporters of both candidates – is that a big trend?

It’s definitely a genuine phenomenon, limited to working-class Latinos, Asian communities and Islamic voters. Voters in immigrant strongholds that went for the former president previously went for Zohran now. However it’s not that he was gaining Caucasian laborers and Trump loyalists.

Voter Participation and Impact

A major development of the night was the sky-high turnout. Who did that help?

Both sides. Turnout was significantly higher 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, energized, but the Mamdani base was equally driven, and that was enough to win.

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

Currently you would say he’s favored to surpass 50%. He has 50.4% but remain around 200K ballots left to report as of Wednesday morning. So I don’t think certain, but I think it’s likely, and I hope he does because then none can claim the Republican was a spoiler.

GOP Decline

The GOP candidate, the conservative contender, was another surprise. His support plummeted.

He lost a single precinct in any borough. Not even Tottenville in the borough, which is like an 88% Trump neighborhood. That really was unexpected. Cuomo kept Caucasian districts, affluent zones and devout communities, and then added all of these conservatives on the island who had a strong turnout. I think occurred significant tactical voting by GOP voters. They were doing it prior to Trump endorsed for the candidate, but that definitely helped. It might have changed the outcome if the winning alliance hadn’t grown.

Progressive Strongholds

What about your often-discussed “commie corridor” – did backing for Mamdani overwhelming in those areas of the boroughs?

I think existed some weakening of the progressive zone in certain places like neighborhoods that have more older white ethnic folks. In Astoria, instance, the Greek landlords and homeowners supported the independent. So there was a little resistance. However no, largely the commie corridor is a key factor why Zohran prevailed – he was polling between high percentages in Fort Greene, Clinton Hill and Bushwick.

Jewish Voters

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

There are areas with a lot of non-religious and left-inclined voters – like specific locales – where he did well. But in the wealthy Jewish communities like the Upper East Side, his Middle East stance definitely mattered there. Similarly in the moderate communities including Forest Hills, Rego Park, or Spuyten Duyvil and Riverdale – they favored the independent. And also, you have newcomers from the former Soviet Union in southern Brooklyn, who were pretty staunchly Cuomo. Therefore it’s unclear if existed major surprises here, but he retained more progressive Jewish neighborhoods and including sections of the Upper West Side with large leads.

Long-Term Significance

Has Mamdani rewritten what New York means politically? Will the progressive base serve as a springboard for progressive contenders?

Absolutely, it’s not accidental that key political leaders from the left hail from a few areas in Brooklyn, Queens and the Bronx. I’m sure that there will be more of that – candidates will come from these neighborhoods to be promoted to higher office.

However I believe that each urban center in the US can have their own commie corridor. Urban places are the centers of progressive influence in America – since they’re young, tenancy is common and they are places where people are crushed by the disparities exist.