In the June 23 NYC Democratic primary elections, recently-elected mayor Zohran Mamdani pulled off a series of coups. He put forward a slate of allies who defeated three candidates favored by New York governor Kathy Hochul, Senate Minority Leader Chuck Schumer and House Minority Leader Hakeem Jeffries – including two incumbent politicians.
A lot of ink has already been spilled on how he accomplished this task. One thing that has been underrecognized is the extent to which he secured his victory on Tuesday by adopting a strategy that was in many ways the opposite of what he did to win his mayoral victory last year.
In the 2025 general election, Mamdani had to appeal to a wide range of moderate, independent, swing and undecided voters because he was competing not just against a Republican challenger, but a well-funded third-party challenger. The 2026 primary election was a very different type of race, and Mamdani shrewdly allowed these differences to govern his strategy.
In general, the subset of Americans who turn out to vote is very different from the population writ large. Specifically, voters skew whiter, more-educated and more affluent than non-voters (or society as a whole).
This is true for any election. However, compared to general election races, midterm electorates skew even more affluent, highly-educated, white and ideologically extreme.
In primary elections, similar tendencies hold: the electorate skews more affluent, educated and white than in general elections or relative to population baselines. Fitting with the more posh and secure life circumstances of voters who fall into these demographic categories, both Democratic and Republican primary voters are much more extreme and uncompromising than the general electorate on most issues:

In 2026, Mamdani was putting people forward for a primary election in a midterm cycle — a niche electorate of a niche electorate. This is exactly the type of cycle that is ripe for the types of candidates the mayor put forward.
Some have compared the Mamdani slate to the Tea Party. Guess what? The Tea Party also rose to prominence in a midterm primary cycle (2010) and Tea Party supporters also skewed whiter, more affluent and more educated than Republicans overall or the electorate as a whole!
AOC was able to win in 2018 by taking advantage of these same midterm primary dynamics. Although incumbent Joe Crowley significantly outperformed her in less affluent and less white neighborhoods, AOC was able to pull off a win by leaning into issues and rhetoric that would appeal to affluent, highly-educated, white, progressive voters, and they turned out in much higher levels and carried the day for her.
You don’t win Democratic midterm primaries by centering working class voters nor the median voter in NYC, New York state or America writ large. You win by mobilizing highly-educated and relatively affluent white voters specifically. Mamdani did just that… by inverting his general election strategy.
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