Seabrook Flag

Seabrook

County Seat:
No
Area (mi²):
0.352
State:
Massachusetts

Seabrook is a CDP located in Barnstable County, Massachusetts. Seabrook has a 2025 population of 630. Seabrook is currently growing at a rate of 1.94% annually and its population has increased by 21.15% since the most recent census, which recorded a population of 520 in 2020.

The average household income in Seabrook is $146,249 with a poverty rate of 0.93%.The median age in Seabrook is 59 years: 57.9 years for males, and 59.6 years for females.

630
Total Population
1,790
Density (mi²)
12 1.94%
Growth

Seabrook Population

Seabrook Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Seabrook includes 96.7% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White52796.7%
Two or more races183.3%

Seabrook Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Seabrook's average per capita income is $0. Household income levels show a median of $0. The poverty rate stands at 0.93%.

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$116,477$156,735
Non Families$64,783$100,430
Households-$146,249
Married Families--

$0

Average Income

$0

Median Household Income

0.93%

Poverty Rate

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)