Somerville Flag

Somerville

County:
Somerset County
County Seat:
Yes
Area (mi²):
2.338
State:
New Jersey

Somerville is a borough located in Somerset County, New Jersey. Somerville has a 2026 population of 15,463. It is also the county seat of Somerset County. Somerville is currently growing at a rate of 3.47% annually and its population has increased by 25.14% since the most recent census, which recorded a population of 12,357 in 2020.

The median household income in Somerville is $103,760 with a poverty rate of 5.87%. The median age in Somerville is 35.9 years: 36.5 years for males, and 35 years for females. For every 100 females there are 102.8 males.

15.5K
Total Population
6,615
Density (mi²)
518 3.47%
Growth

Somerville Population

Somerville Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202615,4635183.47%
202514,9455173.58%
202414,4281871.31%
202314,2418336.21%
202213,4088156.47%
202112,5932361.91%
202012,35790.07%
201912,098-86-0.71%
201812,184-33-0.27%
201712,2172131.77%
201612,004-30-0.25%
201512,034-55-0.45%
201412,089-31-0.26%
201312,120-25-0.21%
201212,14530.02%
201112,142350.29%
201012,10790.07%
200012,4237916.8%
199011,632-341-2.85%
198011,973-1,679-12.3%
197013,6521,1949.58%
196012,4588877.67%
195011,5712,85132.69%
19408,7204655.63%
19308,2551,53722.88%
19206,7181,65832.77%
19105,0602174.48%
19004,84398225.43%
18903,86175624.35%
18803,10500%

Median Age

Overall: 35.9 years
Female: 35 years
Male: 36.5 years

Somerville Adults

There are 11,257 adults, (1,947 of whom are seniors) in Somerville.

Sex Ratio

Female: 6,612 (49.3%)
Male: 6,798 (50.7%)

Demographics

The racial composition of Somerville includes 57.48% White, 11.45% Black or African American, 11.2% Asian, 10.25% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White7,70857.48%
Black or African American1,53511.45%
Asian1,50211.2%
Other race1,37410.25%
Two or more races1,2379.22%
Native American540.4%
Race
Population ↓
Percentage (of total)
Other race1,2979.67%
White7585.65%
Two or more races6554.88%
Native American540.4%
Asian530.4%
Black or African American180.13%
Race
Population ↓
Percentage (of total)
White6,95051.83%
Black or African American1,51711.31%
Asian1,44910.81%
Two or more races5824.34%
Other race770.57%

Somerville Marital Status

Economics and Income Statistics

Somerville 's average per capita income is $72,098. Household income levels show a median of $103,760. The poverty rate stands at 5.87%.

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$148,986-
Families$123,296$139,983
Households$103,760$125,387
Non Families$85,039$102,801

$72,098

Average Income

$103,760

Median Household Income

5.87%

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)