Median Age
49 Years
Largest Age Group
60-69 Years
Approximately 17% of Residents
Under 20
20%
Over 65
27%
Area Guide
Water Mill, New York, is a hamlet nestled within the Town of Southampton on Long Island's South Fork, sitting comfortably between the Atlantic coastline and the rolling agricultural countryside that defines this corner of Suffolk County. The area carries real historical weight: in 1644, Edward Howell built a grist mill here that became such a landmark, nearby settlements were simply described as east or west of "the watermill," giving the community its enduring name. Today, Water Mill is recognized as one of the most sought-after addresses in the country, consistently ranking among the top ZIP codes nationally for real estate value. The landscape blends open farmland, working vineyards, and oceanside tranquility, with the broader Hamptons scene just minutes away. Cultural anchors like the Watermill Center and the Parrish Art Museum draw an engaged arts audience year-round. Housing here leans toward expansive single-family estates and upscale cottage-style homes, though rental opportunities do surface, ranging from charming historic houses to more contemporary residences tucked along quiet, tree-lined roads. The community's small scale (roughly 11 square miles) keeps the atmosphere intimate and unhurried, a true contrast to the pace of nearby New York City.
Median Household Income
$211,765
Average: $207,587
Education
2,703
Residents Have a Degree
Job Market
2,283
Workers Employed
Median Age
49 Years
Largest Age Group
60-69 Years
Approximately 17% of Residents
Under 20
20%
Over 65
27%
Housing Distribution
Water Mill has more homeowners than renters.
Education Distribution
Review this city's overall education levels.
Explore how walkable, bikeable, drivable, and transit-friendly Water Mill, NY is for everyday living.
Somewhat Walkable
Walkability
Exceptionally Drivable
Drivability
Somewhat Bikeable
Bikeability
† Our analysis of utilities, groceries, transportation, healthcare, home prices, and other goods and services is sourced from the Cost of Living Index, a respected benchmark published by the Council for Community and Economic Research (C2ER) that provides a thorough overview of living expenses across different regions.
Rent data is provided by CoStar Group’s Market Trend reports. As the industry leader in commercial real estate information, analytics, and news, CoStar conducts extensive research to produce and maintain a comprehensive database of commercial real estate information. We combine this data with public record to provide the most up-to-date rental information available.
Consumer goods, services, and home prices are sourced from the Cost of Living Index published by the Council for Community and Economic Research (C2ER). The data on this page is updated quarterly. It was last published in June 2026.
Demographic information comes from Neustar and combines detailed address data with U.S. Census and American Community Survey statistics to produce reliable local estimates.