Brentwood

County:: Rockingham County
County Seat:: No
Area (mi²):: 16.817
State:: New Hampshire

Brentwood is located in Rockingham County, New Hampshire. Brentwood has a 2025 population of 4,864. Brentwood is currently growing at a rate of 1.91% annually and its population has increased by 8.11% since the most recent census, which recorded a population of 4,499 in 2020.

The average household income in Brentwood is $193,932 with a poverty rate of 2.75%.The median age in Brentwood is 44.3 years: 43.8 years for males, and 45.2 years for females.

Demographics

The racial composition of Brentwood includes 95.52% White, and smaller percentages for Two or more races, Asian, other race, Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	4,370	95.52%
Two or more races	117	2.56%
Asian	43	0.94%
Other race	27	0.59%
Black or African American	18	0.39%

Brentwood Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Brentwood's average per capita income is $90,962. Household income levels show a median of $161,318. The poverty rate stands at 2.75%.

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	$170,114	-
Families	$169,426	$217,549
Households	$161,318	$193,932
Non Families	$66,276	$84,799

$90,962

Average Income

$161,318

Median Household Income

2.75%

Poverty Rate