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 2025 population of 10,793. Middle Island is currently growing at a rate of 0.19% annually but its population has decreased by -2.15% since the most recent census, which recorded a population of 11,030 in 2020.

The average household income in Middle Island is $106,925 with a poverty rate of 12.02%.The median age in Middle Island is 43.4 years: 40.9 years for males, and 45.7 years for females.

10.8K
Total Population
1,313
Density (mi²)
21 0.19%
Growth

Middle Island Population

Middle Island Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Middle Island includes 76.33% White, 13.53% Black or African American, 3.03% other race, and smaller percentages for Asian, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White8,46276.33%
Black or African American1,50013.53%
Two or more races6515.87%
Other race3363.03%
Asian1050.95%
Native American320.29%

Middle Island Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Middle Island's average per capita income is $60,259. Household income levels show a median of $89,702. The poverty rate stands at 12.02%.

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$146,473-
Families$105,043$126,623
Households$89,702$106,925
Non Families$53,016$70,381

$60,259

Average Income

$89,702

Median Household Income

12.02%

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)