Amagansett, New York Demographics & Population 2026

A note before these figures: with a population of 821, Amagansett's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Amagansett is a small community located in New York, within Suffolk County. The total population is 821. It ranks as the 909th most populous out of 1,289 Census-designated places in New York.

Age Demographics

The median age in Amagansett is 55.0 years. This is 38% higher than the state median of 39.8 years. 14.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Amagansett is $166,875. This is 94% higher than the state median of $85,974. It is also 107% higher than the national median of $80,734. The poverty rate stands at 0.6%. This is 96% lower than the state poverty rate of 14.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Amagansett, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $1,671,900. Housing costs are 295% higher than the state median of $423,800. The home-value-to-income ratio of 10.0x suggests that housing affordability is a significant concern for many residents. 80.3% of occupied housing units are owner-occupied. This homeownership rate is 48% higher than the state average of 54.4%.

Race & Ethnicity

Amagansett has a predominantly White (non-Hispanic) population, comprising 89.8% of all residents. Asian residents account for 6.3%. The White (non-Hispanic) population is significantly higher than the state average (89.8% vs 52.8%). The Black or African American population (0.1%) is well below the state average of 13.4%. The Hispanic or Latino population (3.5%) is well below the state average of 19.8%.

Education

83.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Amagansett in the top 10% of all cities in the state for educational attainment. This is 107% higher than the state rate of 40.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 21.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Amagansett, New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,289 Census-designated places in New York. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.