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Just 48 hours prior to the New York race for mayor, Michael Lange made a significant electoral prediction – going beyond the winner citywide, but precinct by precinct. Lange, an expert in elections who grew up in the city, has spent more than ten years in progressive politics and has become a kind of local celebrity recently for his deep dives into municipal statistics and voter surveys.

He published his highly detailed forecast map – accurately predicting that the progressive candidate was victorious although missing the independent candidate’s solid showing – on his Substack, his platform. He has a flair for witty coinages. He pointed out, as an example, the split between the “commie corridor”, running from Park Slope to another area to a third locale, where he forecasted (accurately) that Mamdani would triumph by huge margins, and the conservative-leaning zone on affluent parts of Manhattan. There, certain media outlets and financial newspapers surpass the New York Times” in audience and the majority of electors leaned toward the independent, campaigning as a moderate alternative.

Voting Day Trends and Unexpected Results

What was your election night?

It was necessary because they were dropping around 200,000 votes into the system every few minutes! I felt somewhat anxious initially: The candidate led the initial ballots by 12 points, but came two big batches of votes that came in after that and the advantage went from 12 to 8%. I was worried.

You know, it was possible in which election day went kind of poorly for Mamdani, where the opponent would have essentially increasing his support from the earlier contest. However the winner added 500,000 supporters to his initial base, and that’s a huge reason why he won. He campaigned and massively expanded his support from the primary.

Expanding Support

Where did Mamdani gain additional support from?

He assembled the coalition that progressives always wanted to build: diverse racially, it’s young, tenants and it’s people facing cost pressures. He gained considerably with minority communities, everyday New Yorkers, relative to the primary. Additionally he boosted his base of left-leaning activists, youthful radicals, and immigrant groups. Victory required without expanding his appeal.

He built the coalition that progressives long aimed for: diverse, youthful, tenants and residents struggling with costs

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

It is a real thing, limited to working-class Latinos, Asian communities and Islamic voters. Voters in ethnic enclaves that went for the former president last year backed the progressive now. But I wouldn’t say he was winning over Caucasian laborers and Trump loyalists.

Turnout and Effects

One of the big stories of the night was the record participation. Who did that help?

Both sides. Turnout was much greater than anticipated. I figured we might exceed two million, but it’s closer to 2.3M – which is a lot of darn voters. There was a substantial opposition group, energized, but his supporters was equally driven, and that was enough to win.

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

Right now it appears he’s likely to surpass 50%. He has 50.4% but remain probably 200,000 votes uncounted at that time. So it’s not certain, but I believe it’s likely, and I wish he does so then none can claim Sliwa was a spoiler.

GOP Decline

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

He didn’t win a single precinct in any area. Including one neighborhood in the borough, which is like an highly conservative neighborhood. That truly surprised me. Cuomo kept very white areas, affluent zones and devout communities, and then added many conservatives on the island who had a high participation. I believe there was a lot of strategic balloting by the Republicans. This happened prior to Trump endorsed for the candidate, but that definitely helped. It could have even turned the tide unless Mamdani’s coalition failed to expand.

The “Commie Corridor”

Regarding your much mentioned “commie corridor” – was support for Mamdani dominant in those parts of the boroughs?

In my view existed some weakening of the progressive zone in certain places like Astoria or Greenpoint that have older Caucasian residents. There, instance, the Greek landlords and homeowners supported the independent. So there existed a little resistance. However overall, largely the leftist base is another huge reason why Mamdani won – he scored between 77% and 83% in Fort Greene, Clinton Hill and Bushwick.

Community Support

In the lead-up to the election we reported on whether Mamdani was making inroads with Jewish New Yorkers. Is there any suggestion that he succeeded?

There are areas with a lot of secular and more progressive-leaning Jews – like specific locales – where he performed strongly. But in the affluent districts like the Manhattan area, his Middle East stance definitely mattered in those places. Likewise in the more middle-class Jewish areas like Queens neighborhoods, or Spuyten Duyvil and Riverdale – they all leaned the independent. Plus, you have newcomers from Eastern Europe in the borough, who were strongly supportive. So it’s unclear if existed crazy narrative-busters on this one, but Mamdani did hold left-leaning areas and including sections of the another locale with large leads.

Political Impact

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

Yes, it’s no coincidence that some of the biggest political leaders from progressives come from a handful of neighborhoods in the boroughs. I’m sure that we’ll see additional examples – people will come from these neighborhoods to be promoted to higher office.

But I think that each urban center in the US can have their own commie corridor. Urban places are the centers of progressive influence in the nation – since youth reside there, people rent and they represent locales where people are crushed by the disparities exist.