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 2025 population of 508. Cousins Island is currently growing at a rate of 0.4% annually but its population has decreased by -2.5% since the most recent census, which recorded a population of 521 in 2020.

The average household income in Cousins Island is $197,458 with a poverty rate of 0%.The median age in Cousins Island is 59.9 years: 62.1 years for males, and 59.5 years for females.

508
Total Population
479
Density (mi²)
2 0.4%
Growth

Cousins Island Population

Demographics

Economics and Income Statistics

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)