Middlesex Flag

Middlesex

County Seat:
No
Area (mi²):
3.488
State:
New Jersey

Middlesex is a borough located in Middlesex County, New Jersey. Middlesex has a 2026 population of 15,015. Middlesex is currently growing at a rate of 0.48% annually and its population has increased by 2.91% since the most recent census, which recorded a population of 14,591 in 2020.

The median household income in Middlesex is $105,000 with a poverty rate of 11.33%. The median age in Middlesex is 44.3 years: 43 years for males, and 44.6 years for females. For every 100 females there are 86.9 males.

15K
Total Population
4,304
Density (mi²)
71 0.48%
Growth

Middlesex Population

Middlesex Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202615,015710.48%
202514,944700.47%
202414,8742021.38%
202314,6721300.89%
202214,54230.02%
202114,539-96-0.66%
202014,5919186.71%
201913,673270.2%
201813,646460.34%
201713,600-13-0.1%
201613,613-57-0.42%
201513,670-36-0.26%
201413,706210.15%
201313,685-7-0.05%
201213,692310.23%
201113,661330.24%
201013,628-7-0.05%
200013,7176625.07%
199013,055-425-3.15%
198013,480-1,558-10.36%
197015,0384,51842.95%
196010,5204,57777.01%
19505,9432,18057.93%
19403,7632597.39%
19303,50400%

Median Age

Overall: 44.3 years
Female: 44.6 years
Male: 43 years

Middlesex Adults

There are 11,586 adults, (2,876 of whom are seniors) in Middlesex.

Sex Ratio

Female: 7,835 (53.5%)
Male: 6,810 (46.5%)

Demographics

The racial composition of Middlesex includes 58.96% White, 13.85% Asian, 11.51% other race, 5.22% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White8,63458.96%
Asian2,02813.85%
Other race1,68611.51%
Two or more races1,53210.46%
Black or African American7655.22%
Race
Population ↓
Percentage (of total)
Other race1,58510.82%
Two or more races1,2878.79%
White6904.71%
Race
Population ↓
Percentage (of total)
White7,94454.24%
Asian2,02813.85%
Black or African American7655.22%
Two or more races2451.67%
Other race1010.69%

Middlesex Marital Status

Economics and Income Statistics

Middlesex 's average per capita income is $66,968. Household income levels show a median of $105,000. The poverty rate stands at 11.33%.

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$146,124-
Families$119,507$141,976
Households$105,000$130,198
Non Families$83,565$95,407

$66,968

Average Income

$105,000

Median Household Income

11.33%

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)