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Just 48 hours prior to the New York race for mayor, Michael Lange issued a significant electoral prediction – not just the winner citywide, but block by block. Lange, an expert in elections who grew up in New York City, devoted more than ten years in progressive politics and has become a kind of well-known figure this year for his deep dives into municipal statistics and polling.

He published his highly detailed forecast map – which correctly forecast that Zohran Mamdani would win while failed to predict the independent candidate’s strong performance – on his Substack, his platform. He has a flair for witty coinages. He highlighted, as an example, the split between the progressive stronghold, stretching from Park Slope to Bushwick to a third locale, where he predicted (correctly) that the left-wing candidate would triumph by large leads, and the conservative-leaning zone on affluent parts of Manhattan. In those areas, “the Free Press and financial newspapers outrank the mainstream paper” in audience and most voters leaned toward the independent, campaigning as a moderate alternative.

Voting Day Trends and Unexpected Results

How was your night?

It was necessary because they were adding around 200,000 votes into the system every few minutes! I was actually a little nervous initially: The candidate led the early vote by 12 points, but there were large groups of ballots that came in later and the advantage went from 12% to 8%. I was worried.

Understand, it was possible in which yesterday went somewhat badly for him, where the opponent was going to end up basically increasing his support from the Democratic primary. However the winner added half a million votes to his primary coalition, and this was critical why he won. He went out and greatly broadened his base from the primary.

Expanding Support

Where did Mamdani gain those extra votes from?

He assembled the coalition that progressives always wanted to build: diverse racially, youthful, it’s renters and individuals squeezed by affordability. He improved considerably with minority communities, working- and middle-class voters, relative to the earlier election. Additionally he boosted his core of left-leaning activists, youthful radicals, and immigrant groups. Victory required without expanding his appeal.

He created the coalition that the left always wanted to build: diverse, young, renters and people squeezed by affordability

There were also a number of supporters of both candidates – is that a big trend?

It is a real thing, limited to working-class Latinos, south Asians and Islamic voters. Voters in immigrant strongholds that went for the former president last year went for the progressive now. However I wouldn’t say he was gaining Caucasian laborers and Maga voters.

Voter Participation and Effects

A major development of the night was the sky-high participation. Who benefited?

Each candidate. Participation was significantly higher than I had expected. I thought we might go over 2 million, but it reached 2.3 million – which is a huge number of participants. Existed a decent anti-Mamdani block, energized, but the Mamdani base was equally driven, and that sufficed to win.

You predicted he’d get over half the ballots. Is he on course for that?

Right now it appears he’s likely to surpass half. He has just over 50% but remain around 200,000 votes uncounted as of Wednesday morning. Thus I don’t think certain, but I believe it’s likely, and I hope he achieves it so afterwards no one can say Sliwa was a disruptor.

Republican Collapse

Curtis Sliwa, the Republican candidate, is the other big story. His vote plummeted.

He didn’t win a single precinct in any area. Including Tottenville in Staten Island, similar to an 88% Trump neighborhood. That really surprised me. Cuomo held very white areas, very wealthy areas and devout communities, and then added all of these conservatives on the island with a high participation. I believe there was significant tactical voting by GOP voters. This happened prior to Trump endorsed for the candidate, but it assisted. It might have changed the outcome if Mamdani’s coalition hadn’t grown.

The “Commie Corridor”

What about your often-discussed “commie corridor” – was support for the candidate overwhelming in those areas of Brooklyn and Queens?

I think existed some weakening of the commie corridor in certain places like Astoria or Greenpoint that have older Caucasian residents. In Astoria, for example, the Greek landlords and homeowners supported Cuomo. Thus there existed a little resistance. However overall, mostly the commie corridor is a key factor why Zohran won – he was polling between 77% and 83% in specific neighborhoods.

Jewish Voters

Prior to the election we reported on whether Mamdani was gaining ground with Jewish New Yorkers. Any indication that he succeeded?

Exist areas with many secular and more progressive-leaning Jews – such as specific locales – where he performed strongly. But in the affluent districts such as the Manhattan area, his Middle East stance definitely mattered in those places. Similarly in the more middle-class Jewish areas including Forest Hills, Rego Park, or Bronx areas – they favored Cuomo. Plus, you have Jewish immigrants from the former Soviet Union in the borough, who were strongly supportive. Therefore it’s unclear if existed crazy narrative-busters here, but Mamdani did hold left-leaning areas and including sections of the another locale with large leads.

Long-Term Significance

Did Mamdani redefine what the city means politically? Will the commie corridor serve as a springboard for progressive contenders?

Yes, it’s not accidental that key figures from the left come from a handful of neighborhoods in Brooklyn, Queens and the Bronx. I believe that we’ll see more of that – people will come from these areas to be promoted to higher office.

But I believe that every city in the US could develop their own commie corridor. Urban places are the epicenters of leftwing power in the nation – since they’re young, tenancy is common and they represent locales where people are crushed by the inequalities exist.