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Only 48 hours before the New York race for mayor, Michael Lange issued a significant forecast – not just who would win citywide, but precinct by precinct. Lange, an expert in elections who grew up in the city, devoted more than ten years in left-leaning activism and has become a kind of well-known figure this year for his deep dives into city data and polling.

He published his extremely precise prediction map – which correctly forecast that the progressive candidate would win although failed to predict the independent candidate’s strong performance – on his newsletter, his platform. He has a flair for clever terms. He pointed out, as an example, the split between the progressive stronghold, stretching from Park Slope to Bushwick to a third locale, where he forecasted (correctly) that Mamdani would win by huge margins, and the conservative-leaning zone on Manhattan’s Upper East and Upper West Sides. There, certain media outlets and Wall Street Journal surpass the mainstream paper” in readership and most voters favored the independent, who ran as a conservative-courting independent.

Election Night Trends and Surprises

What was your night?

It was necessary because they were adding around 200,000 votes into the tally every few minutes! I was actually somewhat anxious at the beginning: Mamdani was ahead the early vote by 12 points, but came two big batches of ballots that came in later and his lead dropped from 12 to 8%. It was concerning.

Understand, there was a world in which yesterday turned out somewhat badly for him, where Cuomo would have essentially increasing his support from the earlier contest. But the winner added half a million supporters to his primary coalition, and this was critical why he won. He campaigned and massively expanded his base from the first round.

Expanding Support

Where did the mayor-elect gain additional support from?

He assembled the alliance that progressives long aimed for: it’s multiracial, it’s young, it’s renters and individuals facing cost pressures. He gained considerably with minority communities, working- and middle-class voters, compared to the earlier election. Additionally he further maximized his base of liberal progressives, young leftists, and Muslims and south Asians. He couldn’t have won without making those significant inroads.

He built the alliance that progressives always wanted to build: diverse, young, tenants and residents squeezed by affordability

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

It’s definitely a real thing, confined to Hispanic laborers, south Asians and Muslims. Voters 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.

Voter Participation and Impact

One of the big stories of the night was the record turnout. Who did that help?

Each candidate. Participation was significantly higher than I had expected. I figured we might exceed two million, but it’s closer to 2.3M – that is a lot of darn voters. There was a decent anti-Mamdani block, who were motivated, but the Mamdani base was equally driven, and that was enough to secure victory.

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

Currently you would say he’s likely to surpass 50%. He’s at just over 50% but remain probably 200,000 votes uncounted at that time. Thus it’s not it’s definitive, but I believe probable, and I hope he does because then no one can say the Republican was a disruptor.

Republican Collapse

The GOP candidate, the Republican candidate, is the other big story. His vote plummeted.

He lost any district in any borough. Including Tottenville in the borough, which is like an highly conservative area. That really surprised me. The independent held Caucasian districts, affluent zones and very religiously Jewish areas, and plus gained many Republicans on Staten Island who had a high participation. I believe there was significant tactical voting by GOP voters. This happened before Trump endorsed for the candidate, but that definitely helped. It might have changed the outcome unless the winning alliance failed to expand.

The “Commie Corridor”

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

In my view there was a little dilution of the progressive zone in some areas like neighborhoods that have more older white ethnic folks. In Astoria, for example, the Greek landlords and homeowners all went for the independent. So there existed a little resistance. But overall, largely the leftist base is a key factor why Zohran won – he scored between 77% and 83% in specific neighborhoods.

Jewish Voters

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

Exist areas with a lot of non-religious and left-inclined voters – such as Park Slope and Morningside Heights – where he did well. But in the wealthy Jewish communities such as the Upper East Side, his Middle East stance definitely mattered in those places. Likewise in the moderate communities like Queens neighborhoods, or Bronx areas – they favored the independent. Plus, there are newcomers from Eastern Europe in the borough, they were strongly Cuomo. Therefore I don’t know if existed major surprises here, but Mamdani did hold left-leaning areas and including sections of the Upper West Side by big margins.

Long-Term Significance

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

Yes, it’s not accidental that key political leaders from the left hail from a handful of neighborhoods in the boroughs. I’m sure that we’ll see additional examples – candidates will emerge from these neighborhoods to be promoted to higher office.

However I believe that every city in America could develop their own commie corridor. Cities are the centers of progressive influence in America – since youth reside there, tenancy is common and they are places where individuals struggle by the disparities exist.