Cold Spring Harbor

County:: Suffolk County
County Seat:: No
Area (mi²):: 3.412
State:: New York

Cold Spring Harbor is a CDP located in Suffolk County, New York. Cold Spring Harbor has a 2025 population of 2,456. Cold Spring Harbor is currently declining at a rate of -6.62% annually and its population has decreased by -14.25% since the most recent census, which recorded a population of 2,864 in 2020.

The average household income in Cold Spring Harbor is $286,275 with a poverty rate of 1.6%. The median age in Cold Spring Harbor is 36.8 years: 39.1 years for males, and 36.6 years for females.

Demographics

The racial composition of Cold Spring Harbor includes 88.5% White, 4.13% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	2,764	88.5%
Two or more races	158	5.06%
Asian	129	4.13%
Other race	69	2.21%
Black or African American	3	0.1%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Cold Spring Harbor Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Cold Spring Harbor's average per capita income is $119,814. Household income levels show a median of $250,001. The poverty rate stands at 1.6%.

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
Households	$250,001	$286,275
Families	$250,001	$332,994
Married Families	$250,001	-
Non Families	$75,804	$92,760

$119,814

Average Income

$250,001

Median Household Income

1.6%

Poverty Rate