Jamesburg Flag

Jamesburg

County Seat:
No
Area (mi²):
0.882
State:
New Jersey

Jamesburg is a borough located in Middlesex County, New Jersey. Jamesburg has a 2025 population of 5,716. Jamesburg is currently declining at a rate of -0.16% annually and its population has decreased by -0.82% since the most recent census, which recorded a population of 5,763 in 2020.

The average household income in Jamesburg is $123,551 with a poverty rate of 4.23%. The median age in Jamesburg is 36.7 years: 33.3 years for males, and 39.7 years for females.

5.7K
Total Population
6,478
Density (mi²)
-9 -0.16%
Growth

Jamesburg Population

Jamesburg Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Jamesburg includes 67.27% White, 18.01% other race, 5.31% Asian, and smaller percentages for Black or African American and multiracial populations.

Population by Race

White (67.3%)

Other race (18.0%)

Two or more races (7.5%)

Asian (5.3%)

Black or African American (1.9%)

Race
Population
Percentage (of total)
White3,87767.27%
Other race1,03818.01%
Two or more races4307.46%
Asian3065.31%
Black or African American1121.94%

Jamesburg Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Jamesburg's average per capita income is $59,303. Household income levels show a median of $117,719. The poverty rate stands at 4.23%.

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$139,911-
Families$137,679$140,673
Households$117,719$123,551
Non Families-$72,318

$59,303

Average Income

$117,719

Median Household Income

4.23%

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)