Hillsborough Flag

Hillsborough

County:
Somerset County
County Seat:
No
Area (mi²):
54.617
State:
New Jersey

Hillsborough is located in Somerset County, New Jersey. Hillsborough has a 2025 population of 45,421 . Hillsborough is currently growing at a rate of 1.95% annually and its population has increased by 5.04% since the most recent census, which recorded a population of 43,242 in 2020.

The median household income in Hillsborough is $153,549 with a poverty rate of 2.79%. The median age in Hillsborough is 42.1 years: 41.1 years for males, and 42.8 years for females. For every 100 females there are 97.8 males.

45.4K
Total Population
832
Density (mi²)
869 1.95%
Growth

Hillsborough Population

Hillsborough Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Hillsborough includes 64.19% White, 21.4% Asian, 3.33% Black or African American, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

White (64.19%)

Asian (21.4%)

Two or more races (7.39%)

Black or African American (3.33%)

Other race (2.4%)

Native American (1.29%)

Race
Population
Percentage (of total)
White27,90964.19%
Asian9,30321.4%
Two or more races3,2137.39%
Black or African American1,4483.33%
Other race1,0432.4%
Native American5611.29%

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 $84,740. Household income levels show a median of $153,549. The poverty rate stands at 2.79%.

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$206,011-
Families$192,680$218,637
Households$153,549$194,292
Non Families$93,989$114,363

$84,740

Average Income

$153,549

Median Household Income

2.79%

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)