Hillsborough

County:: Somerset County
County Seat:: No
Area (mi²):: 8.002
State:: New Jersey

Hillsborough is a CDP located in Somerset County, New Jersey. Hillsborough has a 2025 population of 27,331. Hillsborough is currently growing at a rate of 7.14% annually and its population has increased by 33.07% since the most recent census, which recorded a population of 20,539 in 2020.

The average household income in Hillsborough is $169,373 with a poverty rate of 2.98%. The median age in Hillsborough is 41.7 years: 40.6 years for males, and 43.2 years for females.

Demographics

The racial composition of Hillsborough includes 63.68% White, 17.96% Asian, 3.52% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	14,201	63.68%
Asian	4,005	17.96%
Two or more races	2,157	9.67%
Black or African American	786	3.52%
Other race	619	2.78%
Native American	534	2.39%
Native Hawaiian or Pacific Islander	0	0%

Hillsborough Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Hillsborough's average per capita income is $79,270. Household income levels show a median of $142,275. The poverty rate stands at 2.98%.

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	$193,630	-
Families	$179,712	$196,262
Households	$142,275	$169,373
Non Families	$89,057	$110,372

$79,270

Average Income

$142,275

Median Household Income

2.98%

Poverty Rate