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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 New York City, has spent more than ten years in progressive politics and has become a kind of local celebrity this year for his deep dives into municipal statistics and voter surveys.

He released his highly detailed forecast map – accurately predicting that the progressive candidate would win although failed to predict Andrew Cuomo’s strong performance – on his newsletter, the Narrative War. Lange possesses a talent for witty coinages. He highlighted, as an example, the divide between the “commie corridor”, stretching from one neighborhood to another area to a third locale, where he predicted (correctly) that the left-wing candidate would win by huge margins, and the “capitalist corridor” on Manhattan’s Upper East and Upper West Sides. In those areas, “the Free Press and financial newspapers outrank the mainstream paper” in audience and most voters favored the independent, who ran as a conservative-courting independent.

Election Night Patterns and Unexpected Results

How was your night?

It was necessary since they were dropping approximately 200K ballots into the system every few minutes! I was actually a little nervous at the beginning: The candidate was ahead the initial ballots by 12 points, but there were two big batches of ballots added later and the advantage dropped from 12% to 8%. I was worried.

You know, there was a world in which election day turned out kind of poorly for him, in which the opponent was going to end up basically doubling his votes from the Democratic primary. But Mamdani added 500,000 votes to his primary coalition, and that’s a huge reason why he succeeded. He went out and greatly broadened his support from the primary.

Coalition Building

How did the mayor-elect get additional support from?

He assembled the coalition that progressives always wanted to build: diverse racially, youthful, tenants and it’s people squeezed by affordability. He gained considerably with Black and Hispanic voters, working- and middle-class voters, compared to the primary. Additionally he boosted his core of liberal progressives, young leftists, and immigrant groups. Victory required without expanding his appeal.

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

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

It is a real thing, confined to Hispanic laborers, Asian communities and Muslims. Voters in ethnic enclaves that went for the former president previously went for the progressive this year. But it’s not that he was winning over white working-class voters and Maga voters.

Turnout and Effects

A major development of the election was the record turnout. Who benefited?

Both sides. Turnout was significantly higher than I had expected. I thought it could go over 2 million, but it’s closer to 2.3 million – which is a huge number of participants. There was a decent anti-Mamdani block, energized, but the Mamdani base was also motivated, and that sufficed to win.

You forecasted he’d get over half the ballots. Is he likely for that?

Right now it appears he’s likely to get over 50%. He has 50.4% but there’s still around 200K ballots uncounted as of Wednesday morning. So I don’t think it’s definitive, but I think it’s likely, and I hope he does so then none can claim the Republican was a disruptor.

GOP Decline

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

He didn’t win any district in any area. Not even Tottenville in the borough, which is like an 88% Trump neighborhood. That really surprised me. The independent kept Caucasian districts, affluent zones and devout communities, and then added all of these Republicans on Staten Island with a high participation. I think occurred significant strategic balloting by the Republicans. This happened prior to Trump tweeted his support for the candidate, but it assisted. It could have even turned the tide if Mamdani’s coalition hadn’t grown.

The “Commie Corridor”

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

I think existed some weakening of the commie corridor in certain places like neighborhoods that have more older white ethnic folks. In Astoria, for example, the property owners and homeowners all went for Cuomo. Thus there existed some opposition. But overall, largely the commie corridor is a key factor why Mamdani won – he scored between 77% and 83% in specific neighborhoods.

Jewish Voters

In the lead-up to the vote there was coverage on whether Mamdani was gaining ground with Jewish New Yorkers. Any indication that he did?

Exist neighborhoods with a lot of secular and more progressive-leaning Jews – such as specific locales – where he did well. However in the wealthy Jewish communities such as the Manhattan area, his position on Israel was influential in those places. Similarly in the more middle-class Jewish areas like Queens neighborhoods, or Spuyten Duyvil and Riverdale – they favored the independent. Plus, there are newcomers from the former Soviet Union in the borough, they were pretty staunchly Cuomo. Therefore it’s unclear if there were major surprises on this one, but Mamdani did hold left-leaning areas and including sections of the another locale with large leads.

Political Impact

Did Mamdani redefine what the city means politically? Will progressive base become a launch pad for leftwing candidates?

Absolutely, it’s not accidental that key figures from the left hail from a few areas in Brooklyn, Queens and the Bronx. I believe that we’ll see more of that – people will come from these neighborhoods to be elevated nationally.

But I believe that every city in America could develop similar progressive hubs. Urban places are the centers of progressive influence in the nation – since they’re young, tenancy is common and they represent locales where people are crushed by the inequalities we face.