Harbor Isle CDP, New York Demographics & Population 2026

Population Overview

Harbor Isle CDP is a small community located in New York. The total population is 1,401. It ranks as the 742nd most populous out of 1,287 cities and towns in New York.

Age Demographics

The median age in Harbor Isle CDP is 47.8 years. This is 21% higher than the state median of 39.6 years. Only 12.4% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Harbor Isle CDP is $124,681. This is 47% higher than the state median of $84,578. Compared to the national median of $78,538, household income here is 59% higher. The poverty rate stands at 0.3%. This is 98% lower than the state poverty rate of 13.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 8.4%. This is 35% higher than the state rate of 6.2%. The median home value is $606,500. Housing costs are 50% higher than the state median of $403,000. The home-value-to-income ratio is 4.9x. 84.1% of occupied housing units are owner-occupied. This homeownership rate is 55% higher than the state average of 54.3%.

Race & Ethnicity

Harbor Isle CDP has a predominantly White (non-Hispanic) population, comprising 87.7% of all residents. Asian residents account for 12.3%. The White (non-Hispanic) population is significantly higher than the state average (87.7% vs 53.4%).

Education

51.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% higher than the state rate of 39.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.0%. Notably, 22.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Harbor Isle CDP, New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,287 Census-designated places in New York. For official data, visit data.census.gov.