Plainsboro township

County:: Middlesex County
County Seat:: No
Area (mi²):: 11.763
State:: New Jersey

Plainsboro township is located in Middlesex County, New Jersey. Plainsboro township has a 2025 population of 23,898. Plainsboro township is currently growing at a rate of 0.05% annually but its population has decreased by -0.51% since the most recent census, which recorded a population of 24,021 in 2020.

The average household income in Plainsboro township is $175,905 with a poverty rate of 2.36%.The median age in Plainsboro township is 38.4 years: 39.4 years for males, and 37.4 years for females.

Demographics

The racial composition of Plainsboro township includes 56.3% Asian, 31.38% White, 7.21% Black or African American, and smaller percentages for other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
Asian	13,486	56.3%
White	7,516	31.38%
Black or African American	1,727	7.21%
Two or more races	1,043	4.35%
Other race	182	0.76%

Plainsboro township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plainsboro township's average per capita income is $98,737. Household income levels show a median of $124,852. The poverty rate stands at 2.36%.

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	$189,844	-
Families	$175,307	$225,201
Households	$124,852	$175,905
Non Families	$79,028	$94,404

$98,737

Average Income

$124,852

Median Household Income

2.36%

Poverty Rate