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Just 48 hours before the New York race for mayor, Michael Lange made a bold electoral prediction – going beyond the winner citywide, but precinct by precinct. Lange, an expert in elections who grew up in the city, devoted more than ten years in left-leaning activism and emerged as a kind of local celebrity this year for his deep dives into municipal statistics and voter surveys.

He published his highly detailed prediction map – which correctly forecast that Zohran Mamdani would win while failed to predict the independent candidate’s solid showing – on his newsletter, his platform. He possesses a talent for witty coinages. He highlighted, as an example, the divide between the “commie corridor”, stretching from Park Slope to Bushwick to Astoria, where he predicted (accurately) that the left-wing candidate would triumph by large leads, and the conservative-leaning zone on affluent parts of Manhattan. In those areas, certain media outlets and Wall Street Journal surpass the mainstream paper” in readership and most voters leaned toward the independent, campaigning as a moderate alternative.

Election Night Patterns and Unexpected Results

What was your election night?

It was necessary because they were adding approximately 200K votes into the tally every few minutes! I was actually somewhat anxious initially: The candidate was ahead the early vote by a dozen percentage points, but there were large groups of ballots added later and his lead dropped from 12% to 8%. I was worried.

Understand, it was possible in which election day went kind of poorly for him, in which Cuomo would have essentially increasing his support from the Democratic primary. But the winner added half a million supporters to his primary coalition, and this was critical why he succeeded. He campaigned and massively expanded his base from the primary.

Coalition Building

How did Mamdani gain those extra votes from?

He assembled the alliance that the left long aimed for: it’s multiracial, it’s young, it’s renters and it’s people squeezed by affordability. He improved considerably with Black and Hispanic voters, working- and middle-class voters, relative to the earlier election. Additionally he further maximized his core of left-leaning activists, young leftists, and immigrant groups. He couldn’t have won without expanding his appeal.

He created the alliance that progressives long aimed for: multiracial, young, tenants and residents struggling with costs

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

It’s definitely a real thing, limited to working-class Latinos, south Asians and Muslims. Voters in ethnic enclaves that supported Trump last year went for the progressive this year. But it’s not that he was winning over white working-class voters and Maga voters.

Voter Participation and Impact

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

Each candidate. Participation was much greater than anticipated. I figured we might go over two million, but it’s closer to 2.3M – that is a huge number of participants. There was a decent anti-Mamdani block, energized, but the Mamdani base was equally driven, and that was enough to win.

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

Currently it appears he’s favored to surpass 50%. He has 50.4% but remain probably 200,000 votes uncounted as of Wednesday morning. So it’s not certain, but I think it’s likely, and I wish he achieves it because then none can claim Sliwa was a spoiler.

Republican Collapse

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

He didn’t win any district in any area. Not even one neighborhood in Staten Island, similar to an highly conservative area. That truly was unexpected. Cuomo kept Caucasian districts, affluent zones and very religiously Jewish areas, and then added many Republicans on Staten Island with a high participation. I believe there was significant tactical voting by GOP voters. They were doing it before Trump tweeted his support for Cuomo, but it assisted. It could have even turned the tide if Mamdani’s coalition hadn’t grown.

The “Commie Corridor”

Regarding your often-discussed left-wing base – was support for Mamdani overwhelming in those areas of Brooklyn and Queens?

In my view existed a little dilution of the progressive zone in some areas like Astoria or Greenpoint that have more older white ethnic folks. In Astoria, instance, the property owners and residents supported Cuomo. So there existed a little resistance. However overall, mostly the leftist base is a key factor why Mamdani won – he was polling between 77% and 83% in specific neighborhoods.

Community Support

Prior to the election there was coverage on whether the candidate was gaining ground with Jewish New Yorkers. Any indication 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 position on Israel definitely mattered in those places. Similarly in the more middle-class Jewish areas including Forest Hills, Rego Park, or Spuyten Duyvil and Riverdale – they favored the independent. And also, you have newcomers from Eastern Europe in southern Brooklyn, they were strongly supportive. Therefore it’s unclear if there were major surprises on this one, but Mamdani did hold more progressive Jewish neighborhoods and even parts of the Upper West Side with large leads.

Long-Term Significance

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

Absolutely, it’s no coincidence that key figures from progressives come from a few areas in the boroughs. I’m sure that there will be more of that – people will emerge from these areas to be promoted to higher office.

However I think that every city in America can have their own commie corridor. Cities are the centers of leftwing power in the nation – because they’re young, people rent and they represent locales where people are crushed by the inequalities we face.