Long Island

County:: Cumberland County
County Seat:: No
Area (mi²):: 1.434
State:: Maine

Long Island is located in Cumberland County, Maine. Long Island has a 2025 population of 227. Long Island is currently declining at a rate of -0.87% annually and its population has decreased by -2.99% since the most recent census, which recorded a population of 234 in 2020.

The average household income in Long Island is $109,715 with a poverty rate of 4.67%. The median age in Long Island is 44.1 years: 50.8 years for males, and 37.9 years for females.

Demographics

The racial composition of Long Island includes 88.33% White, 3.33% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	265	88.33%
Two or more races	25	8.33%
Asian	10	3.33%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Long Island Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Long Island's average per capita income is $46,607. Household income levels show a median of $80,625. The poverty rate stands at 4.67%.

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	$104,625	-
Families	$104,000	$127,230
Households	$80,625	$109,715
Non Families	$38,438	$71,529

$46,607

Average Income

$80,625

Median Household Income

4.67%

Poverty Rate