Somerset County Flag

Somerset County

State:
New Jersey
County Seat:

Somerset County's estimated 2025 population is 352,432 with a growth rate of 0.51% in the past year according to the most recent United States census data. Somerset County is the 13th largest county in New Jersey. The 2010 population was 324,120 and has seen a growth of 8.74% since that time.

352,432
Total Population
1,167
Population Density (mi²)
13
Population Rank (State)
1.8K 0.51%
Annual Population Growth

Somerset County Population

Somerset County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Somerset County includes 54.11% White, 19.12% Asian, 9.63% Black or African American, 7.83% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White187,33754.11%
Asian66,19619.12%
Black or African American33,3399.63%
Two or more races30,8298.9%
Other race27,1017.83%
Native American1,3520.39%
Native Hawaiian or Pacific Islander490.01%

Somerset County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Somerset County's average per capita income is $77,950. Household income levels show a median of $135,960. The poverty rate stands at 5.49%.

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$193,201$242,524
Families$167,353$217,703
Households$135,960$186,372
Non Families$75,956$104,320

$77,950

Average Income

$135,960

Median Household Income

5.49%

Poverty Rate