Middlesex County, New Jersey Population 2020

Middlesex County, New Jersey's estimated population is 833,687 with a growth rate of 0.24% in the past year according to the most recent United States census data. Middlesex County, New Jersey is the 2nd largest county in New Jersey.

Year Population Growth Growth Rate
2020833,6872,0010.24%
2019831,6862,0010.24%
2018829,6852,0010.24%
2017827,6841,7770.22%
2016825,907400.00%
2015825,8671,5180.18%
2014824,3492,5050.30%
2013821,8442,4970.30%
2012819,3474,2650.52%
2011815,0824,4160.54%
2010810,666138,88620.67%
1990671,78075,88712.74%
1980595,89312,0802.07%
1970583,813149,95734.56%
1960433,856168,98463.80%
1950264,87247,79522.02%
1940217,0774,8692.29%
1930212,20849,87430.72%
1920162,33447,90841.87%
1910114,42634,66443.46%
190079,76218,00829.16%
189061,7549,46818.11%
188052,2867,25716.12%
187045,02910,21729.35%
186034,8126,17721.57%
185028,6356,74230.80%
184021,893-1,264-5.46%
183023,1571,6877.86%
182021,4701,0895.34%
181020,3812,49113.92%
180017,8901,93412.12%
179015,9560.00%

Middlesex County, New Jersey Population Growth

Population by Race

Race Population Percentage
White487,01858.91%
Asian197,71123.92%
Black or African American84,34210.20%
Some Other Race34,0334.12%
Two or More Races21,4242.59%
American Indian and Alaska Native1,8640.23%
Native Hawaiian and Other Pacific Islander3060.04%

Middlesex County, New Jersey Population Pyramid 2020

Middlesex County, New Jersey Median Age

38.4


Total

37.3


Male

39.6


Female

Middlesex County, New Jersey Adults

There are 645,561 adults, (117,814 of whom are seniors) in Middlesex County, New Jersey.

Middlesex County, New Jersey Age Dependency

56.6

Age Dependency Ratio

22.3

Old Age Dependency Ratio

34.3

Child Dependency Ratio

Middlesex County, New Jersey Sex Ratio

Female

419,451

50.74%

Male

407,247

49.26%

Middlesex County, New Jersey Households and Families

Middlesex County, New Jersey Renter vs Owner Occupied by Household Type

Middlesex County, New Jersey Household Types

Type Owner Renter
Married74.1%25.9%
All63.3%36.7%
Non Family49.8%50.2%
Male48.6%51.4%
Female48.3%51.7%

63.3%

Rate of Home Ownership

Type Count Average Size Owned
All284,1742.863.3
Married160,7663.3774.1
Non Family76,0911.2449.8
Female33,5433.3248.3
Male13,7743.4848.6

3.3

Average Family Size

2.8

Average Household Size

4.4%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Middlesex County, New Jersey Education

Education Attained Count Percentage
Less Than 9th Grade29,3405.17%
9th to 12th Grade28,5085.03%
High School Graduate146,03225.75%
Some College85,33415.05%
Associates Degree35,9486.34%
Bachelors Degree143,50025.30%
Graduate Degree98,52117.37%

Middlesex County, New Jersey Educational Attainment by Race

Name Total High School Bachelors
White273,945257,069106,439
Asian132,648122,90497,070
Hispanic100,71174,16617,255
Black54,93650,84818,760
Other Race21,15216,3153,669
Multiple Races9,6858,4063,915
Native American1,208947413
Islander16216224

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

The highest rate of bachelors degrees is among asian people with a rate of 73.18%.

Name Average Male Female
Overall$52,262$62,807$41,437
Less Than High School$25,631$30,997$19,982
High School Grad$36,197$44,417$28,625
Some College$44,197$53,557$36,632
Bachelors Degree$64,245$79,358$54,048
Graduate Degree$88,520$105,706$67,317

$52,262

Average Earnings

$62,807

Average Male

$41,437

Average Female

Middlesex County, New Jersey Language

Middlesex County, New Jersey Language by Age

Middlesex County, New Jersey Language

56.48% of Middlesex County, New Jersey residents speak only English, while 43.52% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 16.61% of the population.

Middlesex County, New Jersey Poverty

Middlesex County, New Jersey Poverty by Race

Name Total In Poverty Poverty Rate
Hispanic168,13027,24916.21%
White350,05621,0026.00%
Asian189,39710,5265.56%
Black78,1288,23010.53%
Other33,8564,91414.51%
Multiple21,1062,1019.95%
Islander2396125.52%
Native1,858261.40%

8.47%

Overall Poverty Rate

7.44%

Male Poverty Rate

9.45%

Female Poverty Rate

Poverty in Middlesex County, New Jersey

The race most likely to be in poverty in Middlesex County, New Jersey is Islander, with 25.52% below the poverty level.

The race least likely to be in poverty in Middlesex County, New Jersey is Native, with 1.40% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.63%. Among those working part-time, it was 10.01%, and for those that did not work, the poverty rate was 15.21%.

Name Poverty
Less Than High School17.94%
High School9.07%
Some College5.85%
Bachelors or Greater3.40%

Middlesex County, New Jersey Income

Middlesex County, New Jersey Income by Household Type

Name Median Mean
Households$85,954$108,458
Families$102,797$124,012
Married Families$118,330$139,379
Non Families$46,282$61,379

Middlesex County, New Jersey Marital Status

Middlesex County, New Jersey Marital Status

Marriage Rates

52.5%

Overall Marriage Rate

54.5%

Male Marriage Rate

50.6%

Female Marriage Rate

Middlesex County, New Jersey Married by Age and Sex

Middlesex County, New Jersey Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Middlesex County, New Jersey Marital Status by Race

Middlesex County, New Jersey Veterans

24,692

Number of Veterans

23,686

Male Veterans

1,006

Female Veterans

War Veterans
Vietnam9,047
Korea3,021
Second Gulf War2,953
First Gulf War2,423
World War II2,121
Name Veterans % of Total
White20,6455.25%
Hispanic2,5752.15%
Black2,3133.57%
Asian8050.54%
Other5032.07%
2 or More3753.14%
Indian413.16%
Hawaiian103.85%

$Middlesex County, New Jersey Veterans by Education

4.36%

Veteran Poverty Rate

29.64%

Veteran Disability Rate

Middlesex County, New Jersey Employment Status

64.5%

Labor Force Participation

60.8%

Employment Rate

5.6%

Unemployment Rate

Middlesex County, New Jersey Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

46.91%

Born in New Jersey

67.31%

Native Born

32.69%

Foreign Born

14.71%

Non Citizen

Place of Birth

67.31% of Middlesex County, New Jersey residents were born in the United States, with 46.91% having been born in New Jersey. 14.71% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990