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 2026 population of 27,449. Hillsborough is currently growing at a rate of 6.67% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Hillsborough is $144,112 with a poverty rate of 2.73%. The median age in Hillsborough is 41.3 years: 39.5 years for males, and 43.1 years for females. For every 100 females there are 94.4 males.

27.4K
Total Population
3,430
Density (mi²)
1.7K 6.67%
Growth

Hillsborough Population

Hillsborough Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202627,4491,7166.67%
202525,7331,7157.14%

Median Age

Overall: 41.3 years
Female: 43.1 years
Male: 39.5 years

Hillsborough Adults

There are 17,899 adults, (3,290 of whom are seniors) in Hillsborough.

Sex Ratio

Female: 11,616 (51.4%)
Male: 10,969 (48.6%)

Demographics

The racial composition of Hillsborough includes 59.52% White, 19.8% Asian, 4.45% Black or African American, 3.06% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White13,44359.52%
Asian4,47219.8%
Two or more races2,41510.69%
Black or African American1,0054.45%
Other race6923.06%
Native American5582.47%
Race
Population ↓
Percentage (of total)
Two or more races1,4266.31%
Other race5942.63%
Native American5382.38%
White4201.86%
Black or African American390.17%
Race
Population ↓
Percentage (of total)
White13,02357.66%
Asian4,47219.8%
Two or more races9894.38%
Black or African American9664.28%
Other race980.43%
Native American200.09%

Hillsborough Marital Status

Economics and Income Statistics

Hillsborough 's average per capita income is $79,081. Household income levels show a median of $144,112. The poverty rate stands at 2.73%.

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$193,772-
Families$169,451$198,173
Households$144,112$171,476
Non Families$90,196$113,313

$79,081

Average Income

$144,112

Median Household Income

2.73%

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)