Seabrook Flag

Seabrook

County Seat:
No
Area (mi²):
8.977
State:
New Hampshire

Seabrook is located in Rockingham County, New Hampshire. Seabrook has a 2025 population of 8,355. Seabrook is currently declining at a rate of -0.35% annually and its population has decreased by -0.62% since the most recent census, which recorded a population of 8,407 in 2020.

The average household income in Seabrook is $112,448 with a poverty rate of 10.95%.The median age in Seabrook is 53.2 years: 49.3 years for males, and 54.6 years for females.

8.4K
Total Population
931
Density (mi²)
-29 -0.35%
Growth

Seabrook Population

Seabrook Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Seabrook includes 89.46% White, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White7,53989.46%
Two or more races7639.05%
Black or African American640.76%
Asian610.72%

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 $51,800. Household income levels show a median of $87,021. The poverty rate stands at 10.95%.

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$111,944-
Families$104,220$141,263
Households$87,021$112,448
Non Families$36,959$61,736

$51,800

Average Income

$87,021

Median Household Income

10.95%

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)