Hillsborough Flag

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. For every 100 females there are 96.4 males.

27.3K
Total Population
3,416
Density (mi²)
1.8K 7.14%
Growth

Hillsborough Population

Hillsborough Population

Data after 2023 is projected based on recent change

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 and multiracial populations.

Population by Race

White (63.68%)

Asian (17.96%)

Two or more races (9.67%)

Black or African American (3.52%)

Other race (2.78%)

Native American (2.39%)

Race
Population
Percentage (of total)
White14,20163.68%
Asian4,00517.96%
Two or more races2,1579.67%
Black or African American7863.52%
Other race6192.78%
Native American5342.39%

Hillsborough Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

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)