South Plainfield borough is located in Middlesex County New Jersey. South Plainfield borough has a 2024 population of 24,117. South Plainfield borough is currently declining at a rate of -0.06% annually and its population has decreased by -0.7% since the most recent census, which recorded a population of 24,286 in 2020.
The average household income in South Plainfield borough is $140,782 with a poverty rate of 3.63%. The median age in South Plainfield borough 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 borough was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,386 | 55.15% |
| Asian | 4,123 | 16.99% |
| Black or African American | 2,838 | 11.69% |
| Other race | 2,145 | 8.84% |
| Two or more races | 1,748 | 7.2% |
| Native American | 27 | 0.11% |
| Native Hawaiian or Pacific Islander | 6 | 0.02% |
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
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 805 | 4.54% |
| Associates Degree | 1,228 | 6.92% |
| Bachelors Degree | 4,517 | 25.46% |
| Graduate Degree | 3,112 | 17.54% |
| High School Graduate | 4,269 | 24.06% |
| Less Than 9th Grade | 523 | 2.95% |
| Some College | 3,286 | 18.52% |
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
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 9,459 | 8,950 | 3,469 |
| Asian | 3,011 | 2,622 | 2,083 |
| Hispanic | 2,634 | 2,296 | 965 |
| Black | 2,116 | 2,042 | 809 |
| Other Race | 1,412 | 1,335 | 678 |
| 2+ Races | 880 | 782 | 321 |
| Native American | 17 | 17 | 17 |
| Islander | 6 | 6 | 0 |
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%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $79,028 | $81,929 | $71,841 |
| Graduate Degree | $85,515 | $89,911 | $80,417 |
| High School Graduate | $56,236 | $72,911 | $34,000 |
| Less Than 9th Grade | $25,603 | $34,410 | $2,499 |
| Overall | $66,342 | $73,469 | $56,648 |
| Some College | $56,934 | $67,440 | $45,273 |
$66,342
Average Earnings
$73,469
Average Male
$56,648
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
65.56% of South Plainfield borough 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
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Hispanic | 4,433 | 368 | 8.3% |
| White | 11,808 | 290 | 2.46% |
| Other | 2,145 | 227 | 10.58% |
| Asian | 4,049 | 135 | 3.33% |
| Black | 2,793 | 34 | 1.22% |
| Multiple | 1,698 | 32 | 1.88% |
| Native | 27 | 17 | 62.96% |
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 borough is Native, with 62.96% below the poverty level.
The race least likely to be in poverty in South Plainfield borough 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%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 14.35% |
| High School | 4.1% |
| Some College | 1.95% |
| Bachelors or Greater | 1.67% |
rate
Rate | Poverty |
|---|---|
| Female Employed | 3.02% |
| Female Unemployed | 1.78% |
| Male Employed | 1.53% |
| Male Unemployed | 1.33% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $145,288 | $156,020 |
| Households | $123,417 | $140,782 |
| Married Families | $153,109 | $-999,999,999 |
| Non Families | $62,687 | $67,545 |
mean
median
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
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
725
Number of Veterans
682
Male Veterans
43
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 215 |
| First Gulf War | 117 |
| Korea | 95 |
| Second Gulf War | 75 |
| World War II | 26 |
count
Age Group | Veterans |
|---|---|
| 75+ | 274 |
| 65 to 74 | 140 |
| 55 to 64 | 137 |
| 35 to 54 | 105 |
| 18 to 34 | 69 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 559 | 5.09% |
| Black | 118 | 5.06% |
| Hispanic | 40 | 1.3% |
| Asian | 22 | 0.66% |
| Other Race | 17 | 1.01% |
| 2+ Races | 9 | 0.86% |
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 borough
76.08%
Native Born
23.92%
Foreign Born
8.26%
Non Citizen
15.66%
Naturalized
76.08% of South Plainfield borough 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 | Change |
|---|---|---|---|
| 2029 | 24,047 | -14 | -0.06% |
| 2028 | 24,061 | -14 | -0.06% |
| 2027 | 24,075 | -14 | -0.06% |
| 2026 | 24,089 | -14 | -0.06% |
| 2025 | 24,103 | -14 | -0.06% |
| 2024 | 24,117 | -14 | -0.06% |
| 2023 | 24,131 | -14 | -0.06% |
| 2022 | 24,145 | -152 | -0.63% |
| 2021 | 24,297 | 11 | 0.05% |
| 2020 | 24,286 | 239 | 0.99% |
| 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 | 0 | 0% |