Middlesex, New Jersey Population 2021

13,735
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Middlesex is a city located in Middlesex County New Jersey. With a 2020 population of 13,735, it is the 72nd largest city in New Jersey and the 2451st largest city in the United States . Middlesex is currently growing at a rate of 0.20% annually and its population has increased by 0.73% since the most recent census, which recorded a population of 13,635 in 2010. Middlesex reached it's highest population of 15,038 in 1970. Spanning over 4 miles, Middlesex has a population density of 3,937 people per square mile.

The average household income in Middlesex is $99,153 with a poverty rate of 7.03%. The median rental costs in recent years comes to $1,416 per month, and the median house value is $307,000. The median age in Middlesex is 40.7 years, 38.2 years for males, and 44.3 years for females.

Middlesex Demographics

According to the most recent ACS, the racial composition of Middlesex was:

  • White: 64.28%
  • Other race: 15.28%
  • Black or African American: 8.19%
  • Asian: 6.35%
  • Two or more races: 5.34%
  • Native American: 0.56%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Middlesex, New Jersey is 13,735 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 13,651.The last official US Census in 2010 recorded the population at 13,635.

Middlesex, New Jersey Population 2021

Population by Race

Race Population Percentage
White8,78264.28%
Some Other Race2,08815.28%
Black or African American1,1198.19%
Asian8676.35%
Two or More Races7305.34%
American Indian and Alaska Native760.56%
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Middlesex Population by Race

Middlesex Population Pyramid $2021

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Middlesex Median Age

40.7


Total

38.2


Male

44.3


Female

Middlesex Adults

There are 10,509 adults, (2,065 of whom are seniors) in Middlesex.

Middlesex Age Dependency

61.8

Age Dependency Ratio

24.5

Old Age Dependency Ratio

37.3

Child Dependency Ratio

Middlesex Sex Ratio

Female

6,878

50.34%

Male

6,784

49.66%

Middlesex Population by Age

Middlesex Renter vs Owner Occupied by Household Type

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Middlesex Household Types

Type Owner Renter
Married79.6%20.4%
All69.3%30.7%
Female63.7%36.3%
Non Family54.8%45.2%
Male46.3%53.7%

69.3%

Rate of Home Ownership

Middlesex Households and Families

Type Count Average Size Owned
All4,8682.869.3
Married2,7963.4779.6
Non Family1,2071.1854.8
Female4913.0163.7
Male3742.7646.3

3.28

Average Family Size

2.8

Average Household Size

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Middlesex Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5665.85%
9th to 12th Grade4564.71%
High School Graduate3,30734.17%
Some College2,15722.29%
Associates Degree7047.27%
Bachelors Degree1,54115.92%
Graduate Degree9489.79%
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Middlesex Educational Attainment by Sex (over 25)

Middlesex Educational Attainment by Race

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Race Total High School Bachelors
White6,0845,7741,645
Hispanic2,2761,829341
Other Race1,265968173
Black710657257
Asian583371245
2+ Races18518528
Native American3939

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 42.02%.

Middlesex Educational Attainment by Race

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Name Average Male Female
Overall$45,213$63,050$31,957
Less Than 9th Grade$26,779$38,237$17,621
High School Graduate$31,967$50,521$22,357
Some College$42,107$67,731$30,928
Bachelors Degree$60,787$67,014$58,841
Graduate Degree$80,742$103,714$62,660

$45,213

Average Earnings

$63,050

Average Male

$31,957

Average Female

Middlesex Earnings by Educational Attainment

Middlesex Language by Age

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Middlesex Language

67.41% of Middlesex residents speak only English, while 32.59% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 24.63% of the population.

Middlesex Language

Middlesex Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic3,92150912.98%
Other2,08841920.07%
White7,7202873.72%
Black1,1191059.38%
Asian867586.69%
Multiple730162.19%

7.03%

Overall Poverty Rate

6.52%

Male Poverty Rate

7.53%

Female Poverty Rate

Poverty in Middlesex

The race most likely to be in poverty in Middlesex is Other, with 20.07% below the poverty level.

The race least likely to be in poverty in Middlesex is Multiple, with 2.19% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.04%. Among those working part-time, it was 3.70%, and for those that did not work, the poverty rate was 11.89%.

Middlesex Poverty

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Name Poverty
High School7.71%
Bachelors or Greater5.71%
Less Than 9th Grade3.23%
Some College3.18%

Middlesex Poverty Rate by Education

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Rate Poverty
Female Unemployed8.04%
Female Employed3.30%
Male Employed2.93%
Male Unemployed2.56%

Middlesex Poverty Rate by Employment Status and Sex

Middlesex Income by Household Type

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Name Median Mean
Households$75,460$99,153
Families$93,258$111,723
Married Families$105,654-
Non Families$48,337$55,865
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Income by Household Type

Middlesex Marital Status

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Marriage Rates

54.0%

Overall Marriage Rate

54.5%

Male Marriage Rate

53.6%

Female Marriage Rate

Middlesex Married by Age and Sex

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Middlesex Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Middlesex Marital Status by Race

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Middlesex Marital Status

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582

Number of Veterans

582

Male Veterans

Female Veterans

War Veterans
Vietnam226
Second Gulf War99
First Gulf War60
World War II35
Korea21

Middlesex Veterans by War

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Age Group Veterans
65 to 74206
75+141
35 to 54102
55 to 6468
18 to 3465

Middlesex Veterans by Age

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Name Veterans % of Total
White5617.58%
Hispanic762.99%
Native American2137.50%

Middlesex Veterans by Race

Middlesex Veterans by Education

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6.36%

Veteran Poverty Rate

19.93%

Veteran Disability Rate

Middlesex Veterans by Education

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70.2%

Labor Force Participation

67.3%

Employment Rate

4.2%

Unemployment Rate

Middlesex Employment by Age

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Middlesex Employment by Race

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Middlesex Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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60.99%

Born in Middlesex

78.22%

Native Born

21.78%

Foreign Born

9.20%

Non Citizen

12.58%

Naturalized

Place of Birth

78.22% of Middlesex residents were born in the United States, with 60.99% having been born in New Jersey. 9.20% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Middlesex Place of Birth

Year Population Growth Annual Growth Rate
202113,735280.20%
202013,707280.20%
201913,679280.21%
201813,651470.35%
201713,604-11-0.08%
201613,615-55-0.40%
201513,670-36-0.26%
201413,706210.15%
201313,685-6-0.04%
201213,691300.22%
201113,661320.23%
201013,629-88-0.06%
200013,7176620.50%
199013,055-425-0.32%
198013,480-1,558-1.09%
197015,0384,5183.64%
196010,5204,5775.88%
19505,9432,1804.68%
19403,7632590.72%
19303,5040.00%

Middlesex Population by Year