Statistic South Plainfield New Jersey National
Population 23,961 8,882,190 328,239,523
Population density (sq mi) 2,888 1,215 91
Median age 40.7 39.5 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 66% 56% 55%
Families w/ Kids under 18 40% 45% 43%
Speak English 71% 69% 79%
Speak Spanish 12% 16% 13%

Overview of South Plainfield Demographics

Understanding the demographics of South Plainfield is essential for gaining insights into the composition, dynamics and needs of any city, town or village. This knowledge empowers planners, developers and policymakers to strategize effectively, promoting prosperity, equity and well-being for all residents. The South Plainfield population is 23,961, with a population density of 2,888 people per square mile, diverging from the national average of 91. The median age is 40.7, and 66% of individuals aged 15 or older are married, while 40% have children under 18. As far as income equality in South Plainfield, 6% of households have a median income below $25,000, whereas 43% report an income exceeding $150,000, indicating a varied economic landscape within the area.

South Plainfield Racial Demographics & Ethnicity

The 5 largest ethnic groups in South Plainfield are 59.5% White, 14.4% Black or African American, 14% Asian, 0% American Indian and 0% Native Hawaiian, with 16.9% of the population identifying as Hispanic or Latino. Of note, 71.4% of households reported speaking English only, while 11.5% reported speaking Spanish only. Additionally, 21.5% of residents were classified as foreign-born. The South Plainfield racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.

South Plainfield Population Density

In areas with high population density, residents enjoy a wealth of amenities and services conveniently located within walking distance or a short commute. Access to healthcare facilities, educational institutions, cultural venues, dining options, retail stores and public transit enhances residents' quality of life and overall well-being. South Plainfield has a population density of 2,888 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the country.

Why are Demographics Important?

Education Allocation: South Plainfield demographic data can help guide education planning by identifying student demographics, school enrollment trends and educational needs, helping schools and policymakers allocate resources and develop effective educational programs. It can be an essential tool for identifying disparities in educational access and outcomes among different demographic groups, such as racial and ethnic minorities, socio-economic status, or students with disabilities. By disaggregating data by demographic factors, education planners can identify areas of inequity and develop targeted interventions to improve access, support and outcomes for marginalized students. Overall, South Plainfield demographic data is invaluable in education for promoting equity, supporting student success, and fostering inclusive learning environments that meet the needs of all students.

Social Cohesion: Analyzing demographics is vital for nurturing social cohesion and fostering understanding among diverse communities. By embracing and respecting variations in South Plainfield demographics, societies can advance inclusivity, diversity and social unity while combatting social inequalities and advocating for equal opportunities. Racial demographics mirror the diversity within a population and can be instrumental in cultivating inclusive and inviting communities. Embracing diversity strengthens social bonds, fosters cultural appreciation and enriches society by acknowledging the contributions of individuals from various racial and ethnic backgrounds.

Healthcare Planning: By analyzing the South Plainfield demographic data, it can potentially inform healthcare planning and delivery by identifying population health needs, disparities, and risk factors. Understanding demographic trends helps healthcare providers and policymakers allocate resources, develop prevention and intervention programs, and address health inequities within communities. By leveraging demographic data, healthcare providers and policymakers can work towards achieving equitable, accessible, and high-quality healthcare for all individuals and communities. This proactive approach to healthcare planning ensures that interventions are targeted, resources are allocated efficiently, and healthcare services are tailored to meet the diverse needs of populations.

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Demographics Quick Facts

  • The population density in South Plainfield is 138% higher than New Jersey
  • The median age in South Plainfield is 3% higher than New Jersey
  • In South Plainfield 59.49% of the population is White
  • In South Plainfield 14.37% of the population is Black
  • In South Plainfield 14.04% of the population is Asian

Compare South Plainfield, NJ Demographics

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      South Plainfield racial demographics

      Race South Plainfield New Jersey National
      White 59.49% 68.15% 73.35%
      Black 14.37% 13.54% 12.63%
      Asian 14.04% 9.19% 5.22%
      American Indian 0.02% 0.21% 0.82%
      Native Hawaiian 0.04% 0.03% 0.18%
      Mixed race 4.72% 2.53% 3.06%
      Other race 7.32% 6.35% 4.75%
      In South Plainfield, 16.9% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      South Plainfield age breakdown

      Marital status

      Age of children in married couples

      Source: The South Plainfield, NJ demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).