Barnum Island Flag

Barnum Island

County:
Nassau County
County Seat:
No
Area (mi²):
0.865
State:
New York

Barnum Island is a CDP located in Nassau County, New York. Barnum Island has a 2025 population of 2,338 . Barnum Island is currently declining at a rate of -0.21% annually and its population has decreased by -9.94% since the most recent census, which recorded a population of 2,596 in 2020.

The average household income in Barnum Island is $131,100 with a poverty rate of 8.24%. The median age in Barnum Island is 50.1 years: 46.6 years for males, and 50.8 years for females. For every 100 females there are 122.2 males.

2.3K
Total Population
2,701
Density (mi²)
-5 -0.21%
Growth

Barnum Island Population

Barnum Island Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Barnum Island includes 80.99% White, 4.74% Black or African American, 4.05% other race, 3.08% Asian, and smaller percentages for and multiracial populations.

Population by Race

White (80.99%)

Two or more races (7.13%)

Black or African American (4.74%)

Other race (4.05%)

Asian (3.08%)

Race
Population
Percentage (of total)
White1,76080.99%
Two or more races1557.13%
Black or African American1034.74%
Other race884.05%
Asian673.08%

Barnum Island Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Barnum Island's average per capita income is $71,382. Household income levels show a median of $118,160. The poverty rate stands at 8.24%.

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
Families$119,500$151,287
Households$118,160$131,100
Married Families$117,424-
Non Families-$91,765

$71,382

Average Income

$118,160

Median Household Income

8.24%

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)