Cousins Island Flag

Cousins Island

County Seat:
No
Area (mi²):
1.061
State:
Maine

Cousins Island is a CDP located in Cumberland County, Maine. Cousins Island has a 2026 population of 513. Cousins Island is currently growing at a rate of 0.2% 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 Cousins Island is $180,625 with a poverty rate of 2.74%. The median age in Cousins Island is 58.1 years: 59.8 years for males, and 55.6 years for females. For every 100 females there are 95.8 males.

513
Total Population
484
Density (mi²)
1 0.2%
Growth

Cousins Island Population

Cousins Island Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202651310.2%
202551220.39%

Median Age

Overall: 58.1 years
Female: 55.6 years
Male: 59.8 years

Cousins Island Adults

There are 571 adults, (215 of whom are seniors) in Cousins Island.

Sex Ratio

Female: 336 (51.1%)
Male: 322 (48.9%)

Demographics

The racial composition of Cousins Island includes 94.38% White, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White62194.38%
Two or more races274.1%
Native American101.52%
Race
Population ↓
Percentage (of total)
Two or more races274.1%
Race
Population ↓
Percentage (of total)
White62194.38%
Native American101.52%

Cousins Island Marital Status

Economics and Income Statistics

Cousins Island 's average per capita income is $125,513. Household income levels show a median of $180,625. The poverty rate stands at 2.74%.

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$250,001$238,366
Married Families$250,001-
Households$180,625$226,838
Non Families--

$125,513

Average Income

$180,625

Median Household Income

2.74%

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)