| Statistic | South River | New Jersey | National |
| Population | 15,874 | 8,882,190 | 328,239,523 |
| Population density (sq mi) | 5,700 | 1,215 | 91 |
| Median age | 38.2 | 39.5 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 59% | 56% | 55% |
| Families w/ Kids under 18 | 44% | 45% | 43% |
| Speak English | 54% | 69% | 79% |
| Speak Spanish | 20% | 16% | 13% |
South River demographics provide invaluable insights into the composition, dynamics and needs of urban and rural areas, enabling them to plan, develop, and govern in ways that promote prosperity, equity and well-being for all residents. The South River population is 15,874 and has a population density of 5,700 people per square mile, compared to the national average of 91. The median age of all residents is 38.2, 59% of people 15 years of age or older are married and 44% have kids under the age of 18. In South River, 21% of households have a median income that is below $25,000 and 23% of households report a median income above $150,000.
The South River racial demographics and ethnicity breakdown serves as a critical tool for understanding and addressing systemic inequities, promoting social justice and inclusion and building stronger, more resilient communities. The racial breakdown in South River is 80.6% White, 6.8% Black or African American, 3.8% Asian, 0.1% American Indian and 0.2% Native Hawaiian - 22.6% of the population identify as Hispanic or Latino. Of all households, 53.8% reported speaking English only, while 19.8% reported speaking Spanish only. A total of 26% of residents were considered foreign born.
The South River population density comes in at 5,700 people per square mile, which makes it one of the most densely populated areas in the country, far surpassing the national average of 91. Areas characterized by high population density often boast an abundance of amenities and services within close proximity, providing residents with convenient access to healthcare, education, cultural attractions, dining establishments, retail outlets and transportation options. This accessibility could potentially enhance residents' overall quality of life and well-being.
Social Cohesion: The analysis and understanding of demographics are essential for promoting social cohesion and fostering appreciation among diverse communities. By embracing and acknowledging differences in South River demographics, societies can promote inclusivity, diversity and social harmony while addressing social inequalities and advocating for equal opportunities. Racial demographics can reflect the diversity within a population and are instrumental in fostering inclusive and welcoming communities. Embracing ethnic diversity strengthens social connections, promotes cultural understanding and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.
Policy Planning: Demographic data and statistics serve as vital tools for informing policy and decision-making processes across various levels of government, as well as within organizations and businesses. Through the reporting and analysis of demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of need, allocate resources efficiently, and craft tailored policies and programs to address the unique needs and priorities of different demographic groups. The utilization of demographic data in South River is instrumental in policy planning, facilitating resource allocation, evidence-based decision-making, priority identification, trend forecasting, policy impact assessment, and the promotion of equity and inclusion. By harnessing this data effectively, policymakers can devise targeted, impactful, and inclusive policies that cater to the diverse needs of communities.
Urban Development: South River demographic statistics are invaluable for urban planners in designing and developing areas that cater to residents' needs, encompassing housing, transportation, and public services, all while fostering sustainability and enhancing quality of life. Shifts in demographics can influence gentrification and neighborhood transformation, whether in urban or rural settings. As neighborhoods attract new residents with varying income levels and lifestyle preferences, property values may increase, potentially displacing long-term residents and altering the neighborhood's character. Analyzing population density, age distribution, household size, and income levels is crucial for guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Utilizing South River demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
| Race | South River | New Jersey | National |
| White | 80.60% | 68.15% | 73.35% |
| Black | 6.77% | 13.54% | 12.63% |
| Asian | 3.80% | 9.19% | 5.22% |
| American Indian | 0.05% | 0.21% | 0.82% |
| Native Hawaiian | 0.25% | 0.03% | 0.18% |
| Mixed race | 2.60% | 2.53% | 3.06% |
| Other race | 5.93% | 6.35% | 4.75% |
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