Plainfield, New Jersey Population 2021

50,091
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Plainfield is a city located in Union County New Jersey. With a 2020 population of 50,091, it is the 17th largest city in New Jersey and the 788th largest city in the United States . Plainfield is currently declining at a rate of -0.23% annually but its population has increased by 0.57% since the most recent census, which recorded a population of 49,808 in 2010. Plainfield reached it's highest population of 50,464 in 2015. Spanning over 6 miles, Plainfield has a population density of 8,406 people per square mile.

The average household income in Plainfield is $77,210 with a poverty rate of 21.20%. The median rental costs in recent years comes to $1,212 per month, and the median house value is $257,200. The median age in Plainfield is 34.6 years, 34 years for males, and 35.4 years for females.

Plainfield Demographics

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

  • Black or African American: 41.45%
  • Other race: 28.98%
  • White: 25.20%
  • Two or more races: 2.44%
  • Asian: 1.02%
  • Native American: 0.87%
  • Native Hawaiian or Pacific Islander: 0.04%
The current population of Plainfield, New Jersey is 50,091 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 50,430.The last official US Census in 2010 recorded the population at 49,808.

Plainfield, New Jersey Population 2021

Population by Race

Race Population Percentage
Black or African American20,87741.45%
Some Other Race14,59728.98%
White12,68925.20%
Two or More Races1,2302.44%
Asian5131.02%
American Indian and Alaska Native4380.87%
Native Hawaiian and Other Pacific Islander180.04%
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Plainfield Population by Race

Plainfield Population Pyramid $2021

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Plainfield Median Age

34.6


Total

34


Male

35.4


Female

Plainfield Adults

There are 37,267 adults, (6,065 of whom are seniors) in Plainfield.

Plainfield Age Dependency

61.4

Age Dependency Ratio

19.4

Old Age Dependency Ratio

42

Child Dependency Ratio

Plainfield Sex Ratio

Female

25,206

50.05%

Male

25,156

49.95%

Plainfield Population by Age

Plainfield Renter vs Owner Occupied by Household Type

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Plainfield Household Types

Type Owner Renter
Married59.6%40.4%
All44.2%55.8%
Non Family39.4%60.6%
Female33%67%
Male31.7%68.3%

44.2%

Rate of Home Ownership

Plainfield Households and Families

Type Count Average Size Owned
All15,7013.1344.2
Married5,5083.859.6
Non Family4,9251.3539.4
Female3,4703.8933
Male1,7984.4631.7

3.63

Average Family Size

3.13

Average Household Size

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Plainfield Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5,22215.93%
9th to 12th Grade2,7228.30%
High School Graduate11,39634.76%
Some College5,39716.46%
Associates Degree1,6745.11%
Bachelors Degree3,95412.06%
Graduate Degree2,4247.39%
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Plainfield Educational Attainment by Sex (over 25)

Plainfield Educational Attainment by Race

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Race Total High School Bachelors
Black15,22513,6353,198
Hispanic13,3847,2971,286
Other Race8,1643,888728
White3,6693,4041,629
2+ Races668570127
Asian432399204
Native American3249523
Islander1818

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 47.22%.

Plainfield Educational Attainment by Race

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Name Average Male Female
Overall$31,998$34,752$29,296
Less Than 9th Grade$20,022$22,154$15,756
High School Graduate$31,548$36,237$25,759
Some College$36,455$39,156$34,450
Bachelors Degree$63,011$71,493$54,917
Graduate Degree$66,217$73,750$65,917

$31,998

Average Earnings

$34,752

Average Male

$29,296

Average Female

Plainfield Earnings by Educational Attainment

Plainfield Language by Age

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Plainfield Language

49.92% of Plainfield residents speak only English, while 50.08% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 44.80% of the population.

Plainfield Language

Plainfield Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic22,8625,76825.23%
Other14,2554,21629.58%
Black20,7143,44016.61%
White4,27444410.39%
Asian50411222.22%
Native4388118.49%
Multiple1,227786.36%
Islander1818100.00%

21.20%

Overall Poverty Rate

20.79%

Male Poverty Rate

21.62%

Female Poverty Rate

Poverty in Plainfield

The race most likely to be in poverty in Plainfield is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Plainfield is Multiple, with 6.36% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.04%. Among those working part-time, it was 19.48%, and for those that did not work, the poverty rate was 35.86%.

Plainfield Poverty

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Name Poverty
Less Than 9th Grade30.44%
High School20.87%
Some College10.06%
Bachelors or Greater8.51%

Plainfield Poverty Rate by Education

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Rate Poverty
Female Unemployed51.17%
Male Unemployed32.17%
Male Employed11.42%
Female Employed8.67%

Plainfield Poverty Rate by Employment Status and Sex

Plainfield Income by Household Type

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Name Median Mean
Households$56,339$77,210
Families$60,361$81,034
Married Families$82,594-
Non Families$33,402$58,114
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Income by Household Type

Plainfield Marital Status

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Marriage Rates

33.9%

Overall Marriage Rate

36.8%

Male Marriage Rate

31.1%

Female Marriage Rate

Plainfield Married by Age and Sex

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Plainfield 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.

Plainfield Marital Status by Race

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Plainfield Marital Status

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1,123

Number of Veterans

1,001

Male Veterans

122

Female Veterans

War Veterans
Vietnam456
First Gulf War254
Korea105
Second Gulf War102
World War II33

Plainfield Veterans by War

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Age Group Veterans
65 to 74363
35 to 54255
55 to 64249
75+225
18 to 3431

Plainfield Veterans by Age

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Name Veterans % of Total
Black8364.96%
White1641.78%
Hispanic1140.72%
2+ Races7510.01%
Other Race240.25%
Native American247.41%

Plainfield Veterans by Race

Plainfield Veterans by Education

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11.17%

Veteran Poverty Rate

26.81%

Veteran Disability Rate

Plainfield Veterans by Education

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67.8%

Labor Force Participation

62.4%

Employment Rate

7.9%

Unemployment Rate

Plainfield Employment by Age

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Plainfield Employment by Race

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Plainfield 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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45.58%

Born in Plainfield

62.63%

Native Born

37.37%

Foreign Born

25.94%

Non Citizen

11.43%

Naturalized

Place of Birth

62.63% of Plainfield residents were born in the United States, with 45.58% having been born in New Jersey. 25.94% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Plainfield Place of Birth

Year Population Growth Annual Growth Rate
202150,091-113-0.23%
202050,204-113-0.22%
201950,317-113-0.22%
201850,430630.13%
201750,367910.18%
201650,276-188-0.37%
201550,4641490.30%
201450,315920.18%
201350,2232510.50%
201249,9721560.31%
201149,8161490.30%
201049,6671,8380.38%
200047,8291,2620.27%
199046,5671,0120.22%
198045,555-1,307-0.28%
197046,8621,5320.33%
196045,3302,9640.68%
195042,3664,8971.24%
194037,4693,0470.85%
193034,4226,7222.20%
192027,7007,1503.03%
191020,5505,1812.95%
190015,3694,1023.15%
189011,2673,1423.32%
18808,1253,0304.78%
18705,0950.00%

Plainfield Population by Year