
Littlejohn Island
- County:
- Cumberland County
- County Seat:
- No
- Area (mi²):
- 0.342
- State:
- Maine
Littlejohn Island is a CDP located in Cumberland County, Maine. Littlejohn Island has a 2025 population of 43. Littlejohn Island is currently declining at a rate of -10.42% annually and its population has decreased by -31.75% since the most recent census, which recorded a population of 63 in 2020.
The average household income in Littlejohn Island is $188,115 with a poverty rate of 0%. The median age in Littlejohn Island is 63.6 years: 0 years for males, and 63.6 years for females.