THE FRIDAY INTEL
Friday, June 13, 2026
Westchester just crossed 1 million residents. 38 of New York's 62 counties are shrinking. The distribution of Westchester's growth is where the data gets interesting.
New Census Bureau estimates put Westchester County's population at 1,015,743 — the county's highest ever, with a single-year gain of 6,578 residents. That is the largest numeric increase of any county in New York State. In a year when most of the state went in the opposite direction, Westchester pulled away.
The growth is not uniform. It is concentrated in New Rochelle, Yonkers, and White Plains — the three cities running the most active development pipelines in the county. New Rochelle has over 6,000 units under construction or in approval. Yonkers is anchoring transit-oriented development near Metro-North. White Plains has the District Galleria proposal on the table — up to 3,200 apartments on the former mall site. These cities are absorbing the new residents.
The housing economics underneath the growth tell the pressure story. In Q1 2026, Westchester recorded 683 single-family home sales — down 16% year over year — while the median price climbed to $940,000 and the average hit $1.3 million. The county is attracting more people at the same time its available housing stock is shrinking in transaction volume. That combination drives prices up, not down.
What this means for you: If you are waiting for a Westchester price correction, the population trajectory does not support one. If you are a renter in a rent-stabilized unit, the same demand pressure informing the Rent Guidelines Board's June 22 vote is the same pressure driving this growth. And if you live in Yonkers, New Rochelle, or Mount Vernon — the cities absorbing the most new residents — you are inside the growth corridor where school enrollment, infrastructure load, and service demand will reflect this trajectory before the end of the decade.
The surprise in this data: the growth is landing hardest in the cities with the most constrained fiscal capacity to absorb it. The wealthiest northern Westchester municipalities are barely moving. The county is at one million — but the distribution of that million is where the real story is.
Share this with someone who lives here. They should know what the data says about where their community is heading.
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