South Brunswick Flag

South Brunswick

County Seat:
No
Area (mi²):
40.614
State:
New Jersey

South Brunswick is located in Middlesex County, New Jersey. South Brunswick has a 2025 population of 48,536 . South Brunswick is currently growing at a rate of 1.34% annually and its population has increased by 3.49% since the most recent census, which recorded a population of 46,901 in 2020.

The average household income in South Brunswick is $184,286 with a poverty rate of 3.98%. The median age in South Brunswick is 42.1 years: 42.5 years for males, and 41.8 years for females. For every 100 females there are 97.7 males.

48.5K
Total Population
1,195
Density (mi²)
640 1.34%
Growth

South Brunswick Population

South Brunswick Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of South Brunswick includes 48.31% Asian, 35.46% White, 5.77% Black or African American, 4.16% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Asian (48.31%)

White (35.46%)

Two or more races (6.09%)

Black or African American (5.77%)

Other race (4.16%)

Native American (0.11%)

Native Hawaiian or Pacific Islander (0.1%)

Race
Population
Percentage (of total)
Asian22,55548.31%
White16,55435.46%
Two or more races2,8446.09%
Black or African American2,6935.77%
Other race1,9444.16%
Native American500.11%
Native Hawaiian or Pacific Islander460.1%

South Brunswick Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Brunswick's average per capita income is $88,468. Household income levels show a median of $145,575. The poverty rate stands at 3.98%.

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$192,222-
Families$178,427$210,686
Households$145,575$184,286
Non Families$62,124$93,751

$88,468

Average Income

$145,575

Median Household Income

3.98%

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)