Brookline

County:: Hillsborough County
County Seat:: No
Area (mi²):: 19.835
State:: New Hampshire

Brookline is located in Hillsborough County, New Hampshire. Brookline has a 2025 population of 5,813. Brookline is currently growing at a rate of 0.35% annually and its population has increased by 2.96% since the most recent census, which recorded a population of 5,646 in 2020.

The average household income in Brookline is $184,090 with a poverty rate of 0.47%.The median age in Brookline is 41.2 years: 42.9 years for males, and 39.4 years for females.

Demographics

The racial composition of Brookline includes 93.4% White, and smaller percentages for Two or more races, Black or African American, other race, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	5,321	93.4%
Two or more races	151	2.65%
Black or African American	86	1.51%
Other race	76	1.33%
Asian	63	1.11%

Brookline Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Brookline's average per capita income is $79,926. Household income levels show a median of $165,942. The poverty rate stands at 0.47%.

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	$170,775	-
Families	$168,750	$196,683
Households	$165,942	$184,090
Non Families	$100,721	$121,620

$79,926

Average Income

$165,942

Median Household Income

0.47%

Poverty Rate