Plainsboro township Flag

Plainsboro township

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

Plainsboro township is located in Middlesex County, New Jersey. Plainsboro township has a 2026 population of 25,210. Plainsboro township is currently growing at a rate of 1.31% annually and its population has increased by 4.93% since the most recent census, which recorded a population of 24,026 in 2020.

The median household income in Plainsboro township is $131,638 with a poverty rate of 4.25%. The median age in Plainsboro township is 37.6 years: 37.8 years for males, and 37.4 years for females. For every 100 females there are 96.0 males.

25.2K
Total Population
2,143
Density (mi²)
326 1.31%
Growth

Plainsboro township Population

Plainsboro township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202625,2103261.31%
202524,8843261.33%
202424,5583261.35%
202324,2322220.92%
202224,010450.19%
202123,965-61-0.25%
202024,026-70-0.29%
201922,878-84-0.37%
201822,962-90-0.39%
201723,052-17-0.07%
201623,069-84-0.36%
201523,153-18-0.08%
201423,171380.16%
201323,13310%
201223,132710.31%
201123,061620.27%
201022,986-11-0.05%

Median Age

Overall: 37.6 years
Female: 37.4 years
Male: 37.8 years

Plainsboro township Adults

There are 18,752 adults, (2,796 of whom are seniors) in Plainsboro township.

Sex Ratio

Female: 12,327 (51%)
Male: 11,840 (49%)

Demographics

The racial composition of Plainsboro township includes 57.52% Asian, 29.21% White, 7.4% Black or African American, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Asian13,90257.52%
White7,05829.21%
Black or African American1,7887.4%
Two or more races1,0814.47%
Other race3001.24%
Native American380.16%
Race
Population ↓
Percentage (of total)
Two or more races4882.02%
Other race2901.2%
Black or African American1020.42%
White930.38%
Asian800.33%
Native American380.16%
Race
Population ↓
Percentage (of total)
Asian13,82257.19%
White6,96528.82%
Black or African American1,6866.98%
Two or more races5932.45%
Other race100.04%

Plainsboro township Marital Status

Economics and Income Statistics

Plainsboro township 's average per capita income is $97,632. Household income levels show a median of $131,638. The poverty rate stands at 4.25%.

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$192,269-
Families$180,865$235,369
Households$131,638$187,726
Non Families$87,803$99,052

$97,632

Average Income

$131,638

Median Household Income

4.25%

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)