South Plainfield is a city located in Middlesex County New Jersey. With a 2023 population of 24,147, it is the 39th largest city in New Jersey and the 1617th largest city in the United States.South Plainfield is currently declining at a rate of -0.2% annually and its population has decreased by -0.59% since the most recent census, which recorded a population of 24,291 in 2020. Spanning over 8 miles, South Plainfield has a population density of 2,911 people per square mile.
The average household income in South Plainfield is $110,042 with a poverty rate of 3.65%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in South Plainfield is 40.7 years, 38.8 years for males, and 41.7 years for females.
According to the most recent ACS, the racial composition of South Plainfield was:
White
Black or African American
Asian
Other race
Two or more races
Native Hawaiian or Pacific Islander
Native American
3.25
Average Family Size
2.89
Average Household Size
86.2%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among islander people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 62.37%.
All
Male
Female
$54,915
Average Earnings
$61,845
Average Male
$45,932
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
71.39% of South Plainfield residents speak only English, while 28.61% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 12.73% of the population.
rate
3.65%
Overall Poverty Rate
2.45%
Male Poverty Rate
3.68%
Female Poverty Rate
The race most likely to be in poverty in South Plainfield is Other, with 12.37% below the poverty level.
The race least likely to be in poverty in South Plainfield is Black, with 2.2% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.81%. Among those working part-time, it was 4.12%, and for those that did not work, the poverty rate was 6.81%.
rate
rate
Households
Families
MarriedFamilies
NonFamilies
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
60.2%
Overall Marriage Rate
60.5%
Male Marriage Rate
59.9%
Female Marriage Rate
male
female
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 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
929
Number of Veterans
847
Male Veterans
82
Female Veterans
count
count
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
3.05%
Veteran Poverty Rate
24.48%
Veteran Disability Rate
LaborForceParticipation
69.4%
Labor Force Participation
65.3%
Employment Rate
5.9%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
58.46%
Born in South Plainfield
77.4%
Native Born
21.24%
Foreign Born
7.92%
Non Citizen
13.32%
Naturalized
77.4% of South Plainfield residents were born in the United States, with 58.46% having been born in New Jersey. 7.92% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.