Cousins Island vs Littlejohn Island

A side-by-side comparison of Cousins Island and Littlejohn Island: population, income, housing, and more.

Cousins Island and Littlejohn Island are places in Maine. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Cousins Island has the higher population (509 vs 95 in Littlejohn Island). Cousins Island has the higher median home value ($634,100 vs $459,000 in Littlejohn Island). Since 2019, Littlejohn Island's population has grown faster (+82.7% vs +12.9%).

Population, income & housing

	Cousins Island	Littlejohn Island
Population	509	95
Median age	59.9 yrs	63.6 yrs
Median household income	$121,250	—
Median home value	$634,100	$459,000
Housing units	198	153
Homeownership rate	94.9%	100.0%
Bachelor's degree or higher	62.4%	88.4%
Unemployment rate	11.2%	0.0%

Trends (ACS 5-year, 2019–2023)

	Cousins Island	Littlejohn Island
Population	451 → 509 (+12.9%)	52 → 95 (+82.7%)
Median household income	$135,227 → $121,250 (-10.3%)	$84,091 → $94,943 (+12.9%)
Median home value	$415,600 → $634,100 (+52.6%)	$290,600 → $459,000 (+57.9%)

Cousins Island

Population

451509

Median household income

$135,227$121,250

Median home value

$415,600$634,100

Littlejohn Island

Population

5295

Median household income

$84,091$94,943

Median home value

$290,600$459,000

Age & race/ethnicity

Age distribution (share)

	Cousins Island	Littlejohn Island
Under 5	3.7%	0.0%
5 to 17	6.1%	0.0%
18 to 24	8.3%	0.0%
25 to 34	12.0%	0.0%
35 to 44	5.7%	0.0%
45 to 54	5.1%	0.0%
55 to 64	23.6%	54.7%
65 to 74	13.8%	37.9%
75 and over	21.8%	7.4%

Race & ethnicity (share)

	Cousins Island	Littlejohn Island
White (non-Hispanic)	91.7%	88.4%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	2.6%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	0.0%	0.0%
Hispanic or Latino	5.7%	11.6%

Educational attainment (age 25+)

Share of adults 25+

	Cousins Island	Littlejohn Island
No high school diploma	0.0%	0.0%
High school graduate	4.6%	0.0%
Some college or associate's	33.1%	11.6%
Bachelor's degree	23.7%	42.1%
Graduate or professional degree	38.6%	46.3%

Commute to work

How workers get to work (share)

	Cousins Island	Littlejohn Island
Drove alone	64.0%	28.4%
Carpooled	0.0%	42.0%
Public transit	0.0%	0.0%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	36.0%	29.5%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Cousins Island	Littlejohn Island
1-unit, detached	100.0%	100.0%
1-unit, attached	0.0%	0.0%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	0.0%	0.0%

Poverty & households

	Cousins Island	Littlejohn Island
Poverty rate	0.0%	0.0%
Average household size	2.57	1.40
Mean commute (minutes)	27	—
Median year structure built	1971	1958