Seabrook Flag

Seabrook

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

Seabrook is a CDP located in Barnstable County, Massachusetts. Seabrook has a 2026 population of 566. Seabrook is currently growing at a rate of 1.25% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Seabrook is $142,031 with a poverty rate of 0%. The median age in Seabrook is 61.5 years: 61.5 years for males, and 61.5 years for females. For every 100 females there are 97.0 males.

566
Total Population
1,608
Density (mi²)
7 1.25%
Growth

Seabrook Population

Seabrook Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202656671.25%
202555971.27%

Median Age

Overall: 61.5 years
Female: 61.5 years
Male: 61.5 years

Seabrook Adults

There are 491 adults, (211 of whom are seniors) in Seabrook.

Sex Ratio

Female: 269 (50.8%)
Male: 261 (49.2%)

Demographics

The racial composition of Seabrook includes 94.72% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White50294.72%
Two or more races285.28%
Race
Population ↓
Percentage (of total)
White50294.72%
Two or more races285.28%

Seabrook Marital Status

Economics and Income Statistics

Seabrook 's average per capita income is $84,583. Household income levels show a median of $142,031. The poverty rate stands at 0%.

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
Married Families$159,583-
Families$157,083$184,409
Households$142,031$169,660
Non Families$64,716$99,688

$84,583

Average Income

$142,031

Median Household Income

0%

Poverty Rate

Nearby Cities

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)