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Districts drawn equal in people. Are they equal in voters?
A civic-data study, told as a story — from a Census pull to a 172,127-voter gap, and what it can and can’t tell you.
By Leonel Gomez
Equal in people, by law
New York’s 26 congressional districts are drawn to hold the same number of people — about 769,000 each. That’s the whole point of redistricting: one person, one share of representation. On paper, every district is identical.
~769,000 residents each, by law. Every bar the same height.
But are they equal in voters?
Population isn’t the electorate. Only citizens 18 and over can register and vote. So the real question underneath “equal representation” is quieter and harder: does each district hold the same number of eligible people? I pulled the American Community Survey (2018–2022) to find out — citizen voting-age population against total population, every district, margins of error carried the whole way.
The gap is not one thing
Before publishing a single number, the gap has to be decomposed. Two things pull citizen voting-age population below total population, and they are completely different: children, who will age into the electorate, and non-citizen adults, who cannot vote without naturalizing. Reporting them together would be dishonest — a district full of citizen kids would read the same as one full of non-citizens, though only the second is actually short of eligible adults.
Two districts can share a gap for opposite reasons. Registration math has to know which.
The finding
Population is near-equal by law. Citizen voting-age share is not — it runs from 58.4% in NY-06 to 79.1% in NY-19. Same number of residents; very different numbers of voters.
From 58.4% in NY-06 to 79.1% in NY-19 — same number of people, very different numbers of voters.
Put in raw terms, the widest and narrowest districts differ by more eligible voters than most people would guess for two seats that count exactly the same in Congress.
fewer eligible voters between the widest and narrowest districts — with the same seat in Congress.
What it can’t tell you
This is a measurement, and it stays one. It says how many eligible voters each district holds and how that splits between children and non-citizen adults. It does not say why anyone hasn’t naturalized, or how anyone would vote, or what any of it means for turnout. Those are different questions — and the honest move is to hand them off to studies built to answer them, not to stretch this one past what the data supports.
Why it matters
Registration drives, outreach budgets, and “why is turnout low here” all run against a denominator most people never establish. Establish the denominator first. Then the rest of the math means something.
Where this led