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 and multiracial populations.

Population by Race

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%

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