North Sea Flag

North Sea

County:
Suffolk County
County Seat:
No
Area (mi²):
11.054
State:
New York

North Sea is a CDP located in Suffolk County, New York. North Sea has a 2025 population of 6,453. North Sea is currently growing at a rate of 2.1% annually and its population has increased by 22.61% since the most recent census, which recorded a population of 5,263 in 2020.

The average household income in North Sea is $269,892 with a poverty rate of 4.43%.The median age in North Sea is 44 years: 40.5 years for males, and 50.9 years for females.

6.5K
Total Population
584
Density (mi²)
133 2.1%
Growth

North Sea Population

North Sea Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of North Sea includes 64.4% White, 13.29% Black or African American, 5.75% other race, and smaller percentages for Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White4,19764.4%
Two or more races95714.68%
Black or African American86613.29%
Other race3755.75%
Asian1221.87%

North Sea Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

North Sea's average per capita income is $74,797. Household income levels show a median of $155,139. The poverty rate stands at 4.43%.

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$219,306-
Families$211,515$325,775
Households$155,139$269,892
Non Families$130,089$135,718

$74,797

Average Income

$155,139

Median Household Income

4.43%

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)