Middle Island Flag

Middle Island

County:
Suffolk County
County Seat:
No
Area (mi²):
8.219
State:
New York

Middle Island is a CDP located in Suffolk County, New York. Middle Island has a 2026 population of 11,225. Middle Island is currently growing at a rate of 0.41% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Middle Island is $85,480 with a poverty rate of 12.96%. The median age in Middle Island is 43.9 years: 42.4 years for males, and 44.8 years for females. For every 100 females there are 83.6 males.

11.2K
Total Population
1,366
Density (mi²)
46 0.41%
Growth

Middle Island Population

Middle Island Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202611,225460.41%
202511,179470.42%

Median Age

Overall: 43.9 years
Female: 44.8 years
Male: 42.4 years

Middle Island Adults

There are 8,764 adults, (2,571 of whom are seniors) in Middle Island.

Sex Ratio

Female: 6,007 (54.5%)
Male: 5,020 (45.5%)

Demographics

The racial composition of Middle Island includes 73.51% White, 16.21% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White8,10673.51%
Black or African American1,78716.21%
Two or more races6575.96%
Other race3272.97%
Asian940.85%
Native American560.51%
Race
Population ↓
Percentage (of total)
White4183.79%
Two or more races3903.54%
Other race3042.76%
Black or African American1131.02%
Native American460.42%
Race
Population ↓
Percentage (of total)
White7,68869.72%
Black or African American1,67415.18%
Two or more races2672.42%
Asian940.85%
Other race230.21%
Native American100.09%

Middle Island Marital Status

Economics and Income Statistics

Middle Island 's average per capita income is $63,615. Household income levels show a median of $85,480. The poverty rate stands at 12.96%.

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$130,104-
Families$96,976$125,139
Households$85,480$106,020
Non Families$54,358$68,113

$63,615

Average Income

$85,480

Median Household Income

12.96%

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)