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Just 48 hours before the NYC mayoral election, political analyst Michael Lange issued a bold forecast – going beyond who would win citywide, but block by block. Lange, an expert in elections who grew up in the city, has spent over a decade in progressive politics and emerged as a kind of local celebrity recently for his thorough analyses into city data and voter surveys.

He released his highly detailed prediction map – which correctly forecast that the progressive candidate would win although missing the independent candidate’s strong performance – on his Substack, his platform. He possesses a talent for clever terms. He pointed out, for instance, the divide between the “commie corridor”, stretching from Park Slope 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. In those areas, “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 Patterns and Unexpected Results

What was your election night?

I had to do that because they were adding around 200,000 ballots into the system every few minutes! I felt somewhat anxious at the beginning: The candidate was ahead the initial ballots by 12 points, but came two big batches of votes added later and the advantage dropped from 12 to 8%. I was worried.

You know, there was a world in which election day went somewhat badly for him, where Cuomo was going to end up essentially doubling his votes from the Democratic primary. However Mamdani gained half a million supporters to his primary coalition, and that’s a huge reason why he succeeded. He campaigned and greatly broadened his base from the primary.

Expanding Support

Where did the mayor-elect get additional support from?

He built the coalition that progressives long aimed for: diverse racially, it’s young, it’s renters and individuals facing cost pressures. He gained considerably with minority communities, everyday New Yorkers, relative to the primary. Plus he boosted his core of left-leaning activists, young leftists, and Muslims and south Asians. Victory required without making those significant inroads.

He created the coalition that the left long aimed for: multiracial, young, renters and people squeezed by affordability

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

It is a real thing, limited to Hispanic laborers, south Asians and Muslims. Electors in immigrant strongholds that went for the former president previously went for the progressive now. But I wouldn’t say 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. Turnout was significantly higher than anticipated. I figured it could go over 2 million, but it reached 2.3M – which 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 half the ballots. Is he likely for that?

Currently it appears he’s likely to get over 50%. He’s at just over 50% but there’s still probably 200,000 votes uncounted as of Wednesday morning. So it’s not certain, but I think probable, and I hope he does so afterwards none can claim Sliwa was a spoiler.

Republican Collapse

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

He didn’t win a single precinct in any borough. Including one neighborhood in Staten Island, similar to an 88% Trump area. That really was unexpected. Cuomo kept Caucasian districts, affluent zones and very religiously Jewish areas, and plus gained all of these conservatives on Staten Island with a strong turnout. I believe occurred a lot of strategic balloting by GOP voters. They were doing it prior to the former president endorsed for the candidate, but it assisted. It could have even turned the tide unless Mamdani’s coalition hadn’t grown.

Progressive Strongholds

Regarding your often-discussed left-wing base – did backing for Mamdani dominant in those areas of the boroughs?

In my view there was a little dilution of the progressive zone in some areas like neighborhoods that have older Caucasian residents. There, instance, the Greek landlords and homeowners all went for Cuomo. So there existed some opposition. But overall, mostly the leftist base is a key factor why Zohran won – he scored between high percentages in Fort Greene, Clinton Hill and Bushwick.

Jewish Voters

Prior to the election there was coverage on whether Mamdani was making inroads with Jewish New Yorkers. Any indication that he succeeded?

Exist areas with many non-religious and left-inclined voters – like Park Slope and Morningside Heights – where he did well. However in the wealthy Jewish communities such as the Upper East Side, his position on Israel was influential in those places. Likewise in the moderate communities like Queens neighborhoods, or Bronx areas – they all leaned the independent. And also, you have newcomers from the former Soviet Union in the borough, they were pretty staunchly Cuomo. So I don’t know if existed major surprises here, but Mamdani did hold left-leaning areas and even parts of the Upper West Side with large leads.

Long-Term Significance

Has Mamdani rewritten what New York means politically? Will the progressive base become a launch pad for progressive contenders?

Yes, it’s no coincidence that some of the biggest figures from the left come from a few areas in the boroughs. I’m sure that we’ll see more of that – candidates will emerge from these neighborhoods to be promoted to higher office.

But I believe that every city in the US could develop similar progressive hubs. Cities are the epicenters of leftwing power in the nation – since youth reside there, tenancy is common and they are places where people are crushed by the inequalities exist.