Harbor Isle is a CDP located in Nassau County, New York. Harbor Isle has a 2025 population of 1,375. Harbor Isle is currently growing at a rate of 0.36% annually and its population has increased by 36.95% since the most recent census, which recorded a population of 1,004 in 2020.
The average household income in Harbor Isle is $170,350 with a poverty rate of 0.29%.The median age in Harbor Isle is 47.8 years: 45.1 years for males, and 52.4 years for females.
Data after 2023 is projected based on recent change
The racial composition of Harbor Isle includes 87.72% White, 12.28% Asian, and smaller percentages for and multiracial populations.
White (87.7%)
Asian (12.3%)
Race | Population | Percentage (of total) |
---|---|---|
White | 1,229 | 87.72% |
Asian | 172 | 12.28% |
Married
Widowed
Divorced
Separated
Never Married
Harbor Isle's average per capita income is $81,513. Household income levels show a median of $124,681. The poverty rate stands at 0.29%.
Name | Median | Mean |
---|---|---|
Married Families | $203,462 | - |
Families | $169,412 | $188,995 |
Households | $124,681 | $170,350 |
Non Families | $60,565 | $66,466 |
Average Income
Median Household Income
Poverty Rate