| Statistic | Harrison | New Jersey | National |
| Population | 18,732 | 9,226,043 | 336,919,644 |
| Population density (sq mi) | 15,466 | 1,255 | 91 |
| Median age | 33.9 | 39.5 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 55% | 56% | 55% |
| Families w/ Kids under 18 | 45% | 45% | 43% |
| Speak English | 29% | 69% | 79% |
| Speak Spanish | 41% | 16% | 13% |

The demographics of Harrison offer invaluable insights into the composition, dynamics and needs of both urban and rural areas, empowering planners, developers and policymakers to foster prosperity, equity, and well-being for all residents. With a population of 18,732, Harrison exhibits a population density of 15,466 people per square mile, contrasting with the national average of 91. The median age stands at 33.9, with 55% of individuals aged 15 or older being married and 45% having children under 18. In terms of income equality in Harrison, 16% of households report a median income below $25,000, while 25% report an income exceeding $150,000, showcasing a diverse economic landscape.
The 5 largest ethnic groups in Harrison are 42.5% White, 5.9% Black or African American, 20.8% Asian, 0.5% American Indian and 0% Native Hawaiian, with 50.1% of the population identifying as Hispanic or Latino. Of note, 28.8% of households reported speaking English only, while 41% reported speaking Spanish only. Additionally, 55.9% of residents were classified as foreign-born. The Harrison racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.
High population density areas are renowned for their extensive array of amenities and services, easily accessible to residents within walking distance or a short commute. From healthcare facilities and educational institutions to cultural venues, dining establishments, retail shops and public transportation options, these communities offer convenience and enrichment to their inhabitants. The Harrison population density is 15,466 people per square mile, well above the national average of 91, making it one of the most densely populated cities in the nation.
Urban Development: Urban planners can leverage demographics data in Harrison to design and develop areas that cater to residents' needs, spanning housing, transportation, and public services, while prioritizing sustainability and enhancing quality of life. Demographic changes can contribute to gentrification and neighborhood evolution, whether in urban or rural contexts. As neighborhoods attract new residents with diverse income levels and lifestyle preferences, property values may appreciate, potentially displacing longstanding residents and reshaping the neighborhood's identity. Understanding population density, age distribution, household size and income levels is essential for guiding decisions on zoning, transportation infrastructure, housing development and public amenities. Incorporating Harrison demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.
Healthcare Planning: An analysis of Harrison demographics can inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. Understanding demographic trends allows healthcare providers and policymakers to allocate resources effectively, develop prevention and intervention programs and address health inequities within communities. Leveraging demographic data, healthcare providers, and policymakers strive to achieve equitable, accessible, and high-quality healthcare for all individuals and communities. This proactive healthcare planning approach ensures targeted interventions, efficient resource allocation and customized healthcare services to meet the diverse needs of populations.
Education Allocation: In education planning, Harrison demographic data can be invaluable for identifying student demographics, school enrollment trends and educational needs. This data aids schools and policymakers in resource allocation and the formulation of effective educational programs. It serves as a crucial tool for recognizing disparities in educational access and outcomes among different demographic groups, including racial and ethnic minorities, socio-economic status and students with disabilities. Through the disaggregation of data by demographic factors, education planners can pinpoint areas of inequity and implement targeted interventions to enhance access, support, and outcomes for marginalized students. Overall, Harrison demographic data can be an essential tool in education for promoting equity, facilitating student success, and nurturing inclusive learning environments that cater to the needs of all students.
| Race | Harrison | New Jersey | National |
| White | 42.47% | 68.15% | 73.35% |
| Black | 5.92% | 13.54% | 12.63% |
| Asian | 20.84% | 9.19% | 5.22% |
| American Indian | 0.49% | 0.21% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 7.36% | 2.53% | 3.06% |
| Other race | 22.92% | 6.35% | 4.75% |