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Only two days before the New York mayoral election, Michael Lange made a significant electoral prediction – going beyond the winner overall, but block by block. Lange, an expert in elections who grew up in New York City, devoted over a decade in progressive politics and emerged as something of a well-known figure this year for his deep dives into city data and voter surveys.

He published his extremely precise forecast map – accurately predicting that the progressive candidate was victorious although missing Andrew Cuomo’s solid showing – on his Substack, the Narrative War. Lange possesses a talent for clever terms. He pointed out, as an example, the split between the “commie corridor”, stretching from Park Slope to Bushwick to Astoria, where he forecasted (correctly) that the left-wing candidate would win by huge margins, and the “capitalist corridor” on affluent parts of Manhattan. There, “the Free Press and financial newspapers outrank the mainstream paper” in readership and the majority of electors leaned toward the independent, who ran as a moderate alternative.

Election Night Trends and Unexpected Results

How was your night?

It was necessary because they were dropping around 200,000 ballots into the system frequently! I felt a little nervous initially: Mamdani was ahead the early vote by 12 points, but came large groups of ballots added after that and the advantage went from 12% to 8%. I was worried.

Understand, it was possible in which election day went kind of poorly for him, where the opponent would have essentially increasing his support from the earlier contest. But the winner gained 500,000 supporters to his initial base, and this was critical why he won. He campaigned and greatly broadened his base from the primary.

Expanding Support

Where did the mayor-elect get additional support from?

He built the alliance that progressives long aimed for: diverse racially, youthful, it’s renters and it’s people facing cost pressures. He gained considerably with minority communities, working- and middle-class voters, compared to the primary. Plus he further maximized his core of liberal progressives, youthful radicals, and immigrant groups. Victory required without making those significant inroads.

He built the alliance that progressives long aimed for: multiracial, youthful, tenants and residents squeezed by affordability

There were also a number of Trump/Mamdani voters – is that a big trend?

It’s definitely a genuine phenomenon, limited to working-class Latinos, Asian communities and Muslims. Voters in immigrant strongholds that went for the former president previously went for Zohran this year. But it’s not that he was gaining white working-class voters and Maga voters.

Voter Participation and Impact

One of the big stories of the night was the sky-high turnout. Who benefited?

Both sides. Turnout was much greater than I had expected. I thought we might exceed 2 million, but it’s closer to 2.3 million – that is a lot of darn voters. There was a decent anti-Mamdani block, who were motivated, but the Mamdani base was also motivated, and that sufficed to secure victory.

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

Currently you would say he’s favored to surpass half. He has just over 50% but there’s still probably 200,000 votes left to report at that time. So it’s not certain, but I think it’s likely, and I wish he does because then no one can say Sliwa was a spoiler.

GOP Decline

Curtis Sliwa, the conservative contender, was another surprise. His support plummeted.

He didn’t win a single precinct in any area. Including Tottenville in the borough, similar to an 88% Trump area. That truly surprised me. The independent held very white areas, very wealthy areas and very religiously Jewish areas, and then added many conservatives on Staten Island with a high participation. I think there was a lot of strategic balloting by GOP voters. This happened prior to Trump tweeted his support for the candidate, but that definitely helped. It could have even turned the tide unless Mamdani’s coalition failed to expand.

Progressive Strongholds

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

I think existed some weakening of the progressive zone in certain places like neighborhoods that have more older white ethnic folks. In Astoria, instance, the property owners and homeowners supported the independent. So there was some opposition. But no, mostly the leftist base is a key factor why Mamdani prevailed – he was polling between high percentages in specific neighborhoods.

Jewish Voters

Prior to the vote we reported on if Mamdani was making inroads with the community. Any indication that he did?

Exist neighborhoods with many secular and more progressive-leaning Jews – such as Park Slope and Morningside Heights – where he performed strongly. However in the wealthy Jewish communities like the Upper East Side, his Middle East stance definitely mattered in those places. Similarly in the moderate communities like Queens neighborhoods, or Spuyten Duyvil and Riverdale – they all leaned Cuomo. Plus, there are newcomers from Eastern Europe in the borough, who were pretty staunchly Cuomo. Therefore it’s unclear if existed major surprises here, but he retained more progressive Jewish neighborhoods and even parts of the Upper West Side by big margins.

Long-Term Significance

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

Absolutely, it’s no coincidence that key political leaders from the left hail from a few areas in Brooklyn, Queens and the Bronx. I believe that there will be more of that – people will come from these neighborhoods to be promoted to higher office.

But I think that every city in America can have similar progressive hubs. Urban places are the epicenters of progressive influence in the nation – because youth reside there, tenancy is common and they are places where individuals struggle by the disparities we face.