Belle Terre, New York Demographics & Population 2026

A note before these figures: with a population of 740, Belle Terre'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

Belle Terre is a small community located in New York, within Suffolk County. The total population is 740. It ranks as the 934th most populous out of 1,289 Census-designated places in New York.

Age Demographics

The median age in Belle Terre is 47.5 years. This is 19% higher than the state median of 39.8 years. 15.0% 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 Belle Terre is $166,111. This is 93% higher than the state median of $85,974. It is also 106% higher than the national median of $80,734. The poverty rate stands at 4.0%. This is 71% lower than the state poverty rate of 14.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 6.7%. This is 4% higher than the state rate of 6.4%. The median home value is $1,090,400. Housing costs are 157% higher than the state median of $423,800. The home-value-to-income ratio of 6.6x suggests that housing affordability is a significant concern for many residents. 97.6% of occupied housing units are owner-occupied. This homeownership rate is 80% higher than the state average of 54.4%.

Race & Ethnicity

The largest racial or ethnic group in Belle Terre is White (non-Hispanic), making up 84.9% of the population. Black or African American residents account for 4.2%. The White (non-Hispanic) population is significantly higher than the state average (84.9% vs 52.8%). The Black or African American population (4.2%) is well below the state average of 13.4%. The Hispanic or Latino population (3.6%) is well below the state average of 19.8%. The Asian population (1.9%) is well below the state average of 9.0%.

Education

67.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Belle Terre in the top 10% of all cities in the state for educational attainment. This is 67% 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 99.6%. Notably, 40.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Belle Terre, 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.