Gilgo, New York Demographics & Population 2026

A note before these figures: with a population of 148, Gilgo'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

Gilgo is a small community located in New York, within Suffolk County. The total population is 148. It ranks as the 1240th most populous out of 1,289 Census-designated places in New York.

Age Demographics

The median age in Gilgo is 60.3 years. This is 52% higher than the state median of 39.8 years. 16.9% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The poverty rate stands at 28.4%. This is 103% higher than the state poverty rate of 14.0%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The survey records no unemployed residents in Gilgo, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $441,200. Housing costs are 4% higher than the state median of $423,800. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 84% higher than the state average of 54.4%.

Race & Ethnicity

Gilgo has a predominantly White (non-Hispanic) population, comprising 90.5% of all residents. The White (non-Hispanic) population is significantly higher than the state average (90.5% vs 52.8%).

Education

74.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Gilgo in the top 10% of all cities in the state for educational attainment. This is 84% 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, 59.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Gilgo, 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.