Cousins Island, ME demographics:
population, income, and more

Total population
658
29.3% year-over-year change
Median household income
$180,625/yr
49.0% year-over-year change
Housing units
272
37.4% year-over-year change

Cousins Island population

How many people live in Cousins Island

Cousins Island is home to 658 residents, according to the most recent Census data. Gender-wise, 48.9% of Cousins Island locals are male, and 51.1% are female.

Total population
658
29.3% year-over-year change
Gender ratio
Male
48.9%
322
Female
51.1%
336
Value Percent YoY change
Male 322 48.9% 29.8%
Female 336 51.1% 28.7%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Cousins Island is 58, with the population distributed as follows: about 9.9% are children under 15, then 7.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.9% of the population, while another 27.7% fall into the 45 to 64 bracket. Finally, around 32.7% are 65 or older.

Median age
58.1
Age breakdown
Under 15
9.9%
15 to 24
7.9%
25 to 44
21.9%
45 to 64
27.7%
Over 65
32.7%
Value Percent YoY change
Under 15 65 9.9% 54.8%
15 to 24 52 7.9% 4.0%
25 to 44 144 21.9% 60.0%
45 to 64 182 27.7% 24.7%
Over 65 215 32.7% 18.8%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Cousins Island, 92.7% of the population are US-born citizens, while 6.7% have gained naturalized citizenship. At the same time, 0.6% of residents are non-citizens. There’s also a share of 4.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92.7%
Non-U.S.-born citizens
6.7%
Non-citizens
0.6%
Value Percent YoY change
U.S.-born citizens 610 92.7% 20.8%
Non-U.S.-born citizens 44 6.7% N/A
Non-citizens 4 0.6% 0.0%
Racial breakdown
White
94.4%
Black or African American
0%
American Indian and Alaska Native
1.5%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.1%
Other
0%
Value Percent
White 621 94.4%
American Indian and Alaska Native 10 1.5%
Two or more races 27 4.1%

Households in Cousins Island

A peek inside Cousins Island households

Cousins Island has 272 households, with an average of 2 members in each. Of these, 93% are families, while the remaining 7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
272
37.4% year-over-year change
Average people per household
2
Non-family households
19
Family households
253
Value Percent YoY change
Non-family households 19 7% 35.7%
Family households 253 93% 37.5%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Cousins Island

The housing landscape of Cousins Island

Cousins Island's housing consists of 272 units, with 100% being detached single-family homes ideal for those wanting space.

Housing units
272
37.4% year-over-year change
Housing types
Value Percent
1 unit, detached 272 100%
Homes built since 2020
0
% year-over-year change

The age of buildings in Cousins Island

In Cousins Island, the median construction year is 1974. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 49 18% 11.4%
Built between 1950 and 1959 21 7.7% 40.0%
Built between 1960 and 1969 30 11% -11.8%
Built between 1970 and 1979 101 37.1% 98.0%
Built between 1980 and 1989 26 9.6% 36.8%
Built between 1990 and 1999 37 13.6% 184.6%
Built between 2000 and 2009 8 2.9% 0.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Cousins Island occupancy rates

Out of the 272 occupied housing units in Cousins Island, 96.7% are owner-occupied, while 3.3% are lived in by tenants.

Occupied housing units
272
37.4% year-over-year change
Occupancy breakdown
Renter occupied
9
Owner occupied
263
Value Percent YoY
change
Renter occupied 9 3.3% -10.0%
Owner occupied 263 96.7% 39.9%
Unoccupied housing units
0.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Cousins Island housing costs

Median housing costs per month
$2,333/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.

Education in Cousins Island

Cousins Island education at a glance

About 6.3% of the population in Cousins Island went to high school, while 15.1% pursued college studies. Another 17.9% earned an associate degree and 27.3% hold a bachelor’s. Meanwhile, 33.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 36 6.3% 89.5%
College diploma 86 15.1% 16.2%
Associate degree 102 17.9% 18.6%
Bachelor's degree 156 27.3% 31.1%
Graduate degree 191 33.4% 18.6%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Cousins Island

How much people earn in Cousins Island

The average annual household income in Cousins Island was $226,838 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +14.9% change from the previous year. At the same time, the median income stood at $180,625, reflecting a +49% shift over the same period.

Average household income in Cousins Island
$226,838/year
14.9% year-over-year change
Median household income in Cousins Island
$180,625/year
49.0% year-over-year change

Cousins Island income by age

In Cousins Island, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $250,001. Those with someone between 45 and 64 in charge, often well established professionally, earn $250,001 overall. Overall, 97.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $250,001 0.0%
45 - 64 $250,001 0.0%
Over 65 $107,679 7.8%
Above poverty level
640
Below poverty level
18
Value Percent YoY
change
Above poverty level 640 97.3% 25.7%
Below poverty level 18 2.7% N/A

Employment in Cousins Island

Workforce and job types in Cousins Island

The job market in Cousins Island is powered by 294 working residents, spread across a range of industries and roles. 87.8% of the working population are employed in professional or administrative positions, while 12.2% are in hands-on or service-based jobs. Also, 27.6% run their own businesses, 64% are employed by private companies, and 3.4% work in the public sector.

Workforce demographics

Working population
294
68.0% year-over-year change
White collar
258
Blue collar
36
Value Percent YoY change
White collar 258 87.8% 84.3%
Blue collar 36 12.2% 2.9%
Employer type
Self employees
27.6%
Private companies
64%
Governmental workers
3.4%
Not for profit companies
5.1%
Value Percent YoY change
Self employees 81 27.6% 32.8%
Private companies 188 64% 88.0%
Governmental workers 10 3.4% -28.6%
Not for profit companies 15 5.1% N/A
Unemployment rate
5.5%
-22.7% year-over-year change

Available workforce

The unemployment rate in Cousins Island stands at 5.5%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Cousins Island

How people get around in Cousins Island

In Cousins Island, the average commute time is 25 minutes.

Commute time
25 min
-7.7% year-over-year change
Means of transportation
Value Percent YoY change
Car 230 78.2% 105.4%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

Explore more communities

FAQs about Cousins Island demographics 

What is the total population of Cousins Island?

Cousins Island has a total population of 658 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +29.3% compared to a year ago.

What is the gender ratio in Cousins Island?

The gender ratio in Cousins Island is as follows:
  • 48.9% males (322 residents)
  • 51.1% females (336 residents)

What is the median age in Cousins Island?

The median age in Cousins Island is 58.1.

What is the age distribution of the population in Cousins Island?

The age distribution in Cousins Island is as follows:
  • Under 15: 9.9% (65 residents)
  • Ages 15-24: 7.9% (52 residents)
  • Ages 25-44: 21.9% (144 residents)
  • Ages 45-64: 27.7% (182 residents)
  • Over 65: 32.7% (215 residents)

What is the racial and ethnic makeup of Cousins Island?

The racial and ethnic makeup of Cousins Island is as follows:
  • White: 94.4% (621 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 1.5% (10 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 4.1% (27 residents)
  • Other: 0% (0 residents)

What percentage of the population in Cousins Island are U.S.-born citizens?

U.S.-born citizens represent 92.7% of the population in Cousins Island.

How many housing units are there in Cousins Island?

There are 272 housing units in Cousins Island, reflecting a +37.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Cousins Island and what is the average household size?

Cousins Island has a total of 272 households, with an average of 2 people in each.

What is the median household income in Cousins Island?

Cousins Island has a median household income of $180,625, representing a +49.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Cousins Island?

The employment rate is 94.5% in Cousins Island, with a workforce of 294 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 87.8% (258 residents)
  • Blue-collar workers: 12.2% (36 residents)

Places of employment:
  • Self-employed: 27.6% (81 residents)
  • Private companies: 64% (188 residents)
  • Governmental workers: 3.4% (10 residents)
  • Not-for-profit companies: 5.1% (15 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025