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Just 48 hours prior to the New York mayoral election, Michael Lange issued a bold electoral prediction – going beyond who would win overall, but block by block. Lange, an expert in elections born and raised in the city, has spent more than ten years in progressive politics and emerged as something of a well-known figure recently for his thorough analyses into municipal statistics and polling.

He published his highly detailed prediction map – accurately predicting that the progressive candidate was victorious although missing Andrew Cuomo’s strong performance – on his Substack, his platform. Lange possesses a talent for clever terms. He pointed out, for instance, the divide between the progressive stronghold, stretching from one neighborhood to Bushwick to a third locale, where he predicted (accurately) that Mamdani would win by huge margins, and the “capitalist corridor” on Manhattan’s Upper East and Upper West Sides. There, “the Free Press and Wall Street Journal surpass the New York Times” in audience and most voters leaned toward the independent, campaigning as a moderate alternative.

Election Night Patterns and Unexpected Results

What was your election night?

I had to do that since they were adding approximately 200K ballots into the system frequently! I felt somewhat anxious at the beginning: The candidate was ahead the initial ballots by a dozen percentage points, but came two big batches of votes that came in after that and his lead went from 12 to 8%. I was worried.

You know, there was a world where yesterday went somewhat badly for Mamdani, where Cuomo would have essentially doubling his votes from the earlier contest. However the winner gained 500,000 votes to his primary coalition, and that’s a huge reason why he succeeded. He went out and massively expanded his base from the primary.

Coalition Building

Where did the mayor-elect gain those extra votes from?

He assembled the coalition that progressives always wanted to build: it’s multiracial, it’s young, it’s renters and individuals facing cost pressures. He improved considerably with minority communities, working- and middle-class voters, relative to the primary. Additionally he boosted his base of liberal progressives, young leftists, and immigrant groups. Victory required without making those significant inroads.

He created the coalition that the left long aimed for: diverse, youthful, tenants and people squeezed by affordability

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

It’s definitely a genuine phenomenon, limited to working-class Latinos, Asian communities and Muslims. Electors in immigrant strongholds that supported the former president last year went for the progressive this year. But it’s not that he was winning over white working-class voters and Trump loyalists.

Turnout and Impact

One of the big stories of the night was the sky-high turnout. Who did that help?

Both sides. Participation was much greater than anticipated. I figured we might exceed 2 million, but it’s closer to 2.3M – which is a lot of darn voters. There was a decent opposition group, who were motivated, but his supporters was also motivated, and that was enough to secure victory.

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

Currently you would say he’s favored to surpass half. He’s at 50.4% but remain probably 200,000 votes uncounted at that time. Thus I don’t think certain, but I think probable, and I wish he does so then none can claim the Republican was a disruptor.

GOP Decline

Curtis Sliwa, the Republican candidate, was another surprise. His support plummeted.

He lost any district in any borough. Not even Tottenville in the borough, similar to an 88% Trump area. That truly surprised me. Cuomo held very white areas, very wealthy areas and devout communities, and plus gained many Republicans on Staten Island who had a high participation. I think occurred a lot of strategic balloting by GOP voters. They were doing it prior to the former president endorsed for Cuomo, but it assisted. It could have even turned the tide if Mamdani’s coalition failed to expand.

The “Commie Corridor”

What about your much mentioned left-wing base – was support for the candidate dominant in those parts of the boroughs?

I think existed a little dilution of the commie corridor in certain places like Astoria or Greenpoint that have more older white ethnic folks. In Astoria, for example, the Greek landlords and residents all went for the independent. Thus there was a little resistance. However overall, largely the leftist base is another huge reason why Mamdani won – he was polling between 77% and 83% in specific neighborhoods.

Community Support

In the lead-up to the election there was coverage on if Mamdani was gaining ground with the community. Is there any suggestion that he succeeded?

Exist neighborhoods with a lot of secular and more progressive-leaning Jews – like specific locales – where he did well. However in the wealthy Jewish communities like the Manhattan area, his Middle East stance definitely mattered in those places. Similarly in the moderate communities like Queens neighborhoods, or Bronx areas – they all leaned Cuomo. Plus, there are newcomers from Eastern Europe in southern Brooklyn, they were pretty staunchly Cuomo. Therefore it’s unclear if there were major surprises here, but he did hold more progressive Jewish neighborhoods and even parts of the Upper West Side by big margins.

Long-Term Significance

Did Mamdani redefine what the city represents in politics? Will progressive base become a launch pad for progressive contenders?

Absolutely, it’s no coincidence that key political leaders from the left hail from a handful of neighborhoods in Brooklyn, Queens and the Bronx. I’m sure that there will be more of that – candidates will come from these areas to be elevated nationally.

However I believe that every city in America can have similar progressive hubs. Cities are the epicenters of leftwing power in America – because youth reside there, people rent and they represent locales where individuals struggle by the disparities we face.