Harbor Isle

County:: Nassau County
County Seat:: No
Area (mi²):: 0.174
State:: New York

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.

Demographics

The racial composition of Harbor Isle includes 87.72% White, 12.28% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	1,229	87.72%
Asian	172	12.28%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Harbor Isle Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$203,462	-
Families	$169,412	$188,995
Households	$124,681	$170,350
Non Families	$60,565	$66,466

$81,513

Average Income

$124,681

Median Household Income

0.29%

Poverty Rate