Cold Spring Harbor Flag

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.

2.5K
Total Population
720
Density (mi²)
-174 -6.62%
Growth

Cold Spring Harbor Population

Cold Spring Harbor Population

Data after 2023 is projected based on recent change

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 and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White2,76488.5%
Two or more races1585.06%
Asian1294.13%
Other race692.21%
Black or African American30.1%

Cold Spring Harbor Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)