South Plainfield is a city located in Middlesex County New Jersey. South Plainfield has a 2024 population of 24,169. South Plainfield is currently declining at a rate of -0.12% annually and its population has decreased by -0.49% since the most recent census, which recorded a population of 24,287 in 2020.
The average household income in South Plainfield is $140,782 with a poverty rate of 3.63%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in South Plainfield is 41.8 years, 39.4 years for males, and 43.1 years for females.
According to the most recent ACS, the racial composition of South Plainfield was:
White
Asian
Black or African American
Other race
Two or more races
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
---|---|---|---|---|
All | 8,150 | 2.94 | 85.4 | 14.6 |
Married | 5,538 | 3.41 | 90.2 | 9.8 |
Non Family | 1,547 | 1.16 | 72.9 | 27.1 |
Female | 768 | 3.16 | 78.1 | 21.9 |
Male | 297 | 3 | 79.5 | 20.5 |
3.31
Average Family Size
2.94
Average Household Size
85.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among native american people with a rate of 100%.
The highest rate of bachelors degrees is among native american people with a rate of 100%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
65.56% of South Plainfield residents speak only English, while 34.44% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 13.38% of the population.
rate
3.63%
Overall Poverty Rate
2.96%
Male Poverty Rate
4.29%
Female Poverty Rate
The race most likely to be in poverty in South Plainfield is Native, with 62.96% below the poverty level.
The race least likely to be in poverty in South Plainfield is Black, with 1.22% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.56%. Among those working part-time, it was 6.23%, and for those that did not work, the poverty rate was 6.55%.
Married
Widowed
Divorced
Separated
NeverMarried
60.0%
Overall Marriage Rate
60.7%
Male Marriage Rate
59.2%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
1.7%
Veteran Poverty Rate
29.28%
Veteran Disability Rate
LaborForceParticipation
69.6%
Labor Force Participation
64.6%
Employment Rate
7.2%
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
58.44%
Born in South Plainfield
76.08%
Native Born
23.92%
Foreign Born
8.26%
Non Citizen
15.66%
Naturalized
76.08% of South Plainfield residents were born in the United States, with 58.44% having been born in New Jersey. 8.26% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Growth Rate |
---|---|---|---|
2029 | 24,021 | -30 | -0.12% |
2028 | 24,051 | -29 | -0.12% |
2027 | 24,080 | -30 | -0.12% |
2026 | 24,110 | -29 | -0.12% |
2025 | 24,139 | -30 | -0.12% |
2024 | 24,169 | -29 | -0.12% |
2023 | 24,198 | -30 | -0.12% |
2022 | 24,228 | -72 | -0.3% |
2021 | 24,300 | 13 | 0.05% |
2020 | 24,287 | 240 | 1% |
2019 | 24,047 | 27 | 0.11% |
2018 | 24,020 | 57 | 0.24% |
2017 | 23,963 | 95 | 0.4% |
2016 | 23,868 | 21 | 0.09% |
2015 | 23,847 | 208 | 0.88% |
2014 | 23,639 | 61 | 0.26% |
2013 | 23,578 | 18 | 0.08% |
2012 | 23,560 | 116 | 0.49% |
2011 | 23,444 | 57 | 0.24% |
2010 | 23,387 | ||
2000 | 21,810 | 1,321 | 6.45% |
1990 | 20,489 | -32 | -0.16% |
1980 | 20,521 | -621 | -2.94% |
1970 | 21,142 | 3,263 | 18.25% |
1960 | 17,879 | 9,871 | 123.26% |
1950 | 8,008 | 2,629 | 48.88% |
1940 | 5,379 | 332 | 6.58% |
1930 | 5,047 | -18,974 | -78.99% |