New Suffolk, New York Demographics & Population 2026

A note before these figures: with a population of 298, New Suffolk'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

New Suffolk is a small community located in New York, within Suffolk County. The total population is 298. It ranks as the 1163rd most populous out of 1,289 Census-designated places in New York.

Age Demographics

The median age in New Suffolk is 62.5 years. This is 57% higher than the state median of 39.8 years. Only 6.4% of residents are under 18, indicating fewer families with children. 22.1% 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 New Suffolk is $130,875. This is 52% higher than the state median of $85,974. It is also 62% higher than the national median of $80,734. The poverty rate stands at 2.0%. This is 86% 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 New Suffolk, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $1,060,000. Housing costs are 150% higher than the state median of $423,800. The home-value-to-income ratio of 8.1x suggests that housing affordability is a significant concern for many residents. 95.0% of occupied housing units are owner-occupied. This homeownership rate is 75% higher than the state average of 54.4%.

Race & Ethnicity

New Suffolk has a predominantly White (non-Hispanic) population, comprising 93.0% of all residents. Hispanic or Latino residents account for 5.7%. The White (non-Hispanic) population is significantly higher than the state average (93.0% vs 52.8%). The Hispanic or Latino population (5.7%) is well below the state average of 19.8%. The Asian population (0.7%) is well below the state average of 9.0%.

Education

72.1% of residents aged 25 and older hold a bachelor's degree or higher. This places New Suffolk in the top 10% of all cities in the state for educational attainment. This is 79% higher than the state rate of 40.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.4%. Notably, 24.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for New Suffolk, 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.