Shelter Island

County:: Suffolk County
County Seat:: No
Area (mi²):: 6.554
State:: New York

Shelter Island is a CDP located in Suffolk County, New York. Shelter Island has a 2025 population of 2,872. Shelter Island is currently growing at a rate of 3.72% annually and its population has increased by 45.05% since the most recent census, which recorded a population of 1,980 in 2020.

The average household income in Shelter Island is $158,985 with a poverty rate of 1.18%. The median age in Shelter Island is 40.6 years: 41.4 years for males, and 40.3 years for females.

Demographics

The racial composition of Shelter Island includes 56.2% White, 16.97% Native American, 10.43% other race, 7.06% Asian, and smaller percentages for Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Native American

Other race

Two or more races

Asian

Black or African American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,282	56.2%
Native American	387	16.97%
Other race	238	10.43%
Two or more races	213	9.34%
Asian	161	7.06%
Black or African American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Shelter Island Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Shelter Island's average per capita income is $94,294. Household income levels show a median of $129,410. The poverty rate stands at 1.18%.

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	$148,867	-
Families	$147,667	$152,153
Households	$129,410	$158,985
Non Families	-	$145,879

$94,294

Average Income

$129,410

Median Household Income

1.18%

Poverty Rate