| Statistic | Barrington | New Jersey | National |
| Population | 6,880 | 9,226,043 | 336,919,644 |
| Population density (sq mi) | 4,351 | 1,255 | 91 |
| Median age | 44.5 | 39.5 | 37.7 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 54% | 56% | 55% |
| Families w/ Kids under 18 | 37% | 45% | 43% |
| Speak English | 92% | 69% | 79% |
| Speak Spanish | 4% | 16% | 13% |

The demographics of Barrington 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 6,880, Barrington exhibits a population density of 4,351 people per square mile, contrasting with the national average of 91. The median age stands at 44.5, with 54% of individuals aged 15 or older being married and 37% having children under 18. In terms of income equality in Barrington, 21% of households report a median income below $25,000, while 22% report an income exceeding $150,000, showcasing a diverse economic landscape.
The Barrington 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 Barrington is 93.4% White, 2.5% Black or African American, 2% Asian, 0% American Indian and 0% Native Hawaiian - 4.3% of the population identify as Hispanic or Latino. Of all households, 92.3% reported speaking English only, while 3.7% reported speaking Spanish only. A total of 2.7% of residents were considered foreign born.
The Barrington population density comes in at 4,351 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.
Understanding Populations: By reporting and analyzing Barrington demographics, we can acquire valuable insights into the makeup and traits of populations, encompassing age, gender, race, ethnicity, income, education and various socio-economic factors. This comprehension is vital for tackling the varied needs, preferences, and obstacles encountered by different demographic groups within communities. Demographics serve a pivotal role in comprehending populations, guiding decision-making processes and advancing equity, inclusion and overall well-being for all individuals and communities. The Barrington population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and strength of communities.
Social Cohesion: Reporting and analyzing demographics can play a crucial role in fostering social cohesion and understanding among diverse communities. By recognizing and appreciating differences in Barrington demographics, societies can promote inclusivity, diversity and social harmony, while addressing social disparities and promoting equal opportunities for all individuals. Racial demographics reflect the diversity of a population and contribute to fostering inclusive and welcoming communities. Embracing diversity strengthens social cohesion, promotes cultural understanding and enriches the fabric of society by celebrating the contributions of individuals from different racial and ethnic backgrounds.
Healthcare Planning: The examination of Barrington demographics can potentially inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. By comprehending demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs, and address health inequities within communities. Through the utilization of demographic statistics, healthcare providers and policymakers aim 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 tailored healthcare services to meet the diverse needs of populations.

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| Race | Barrington | New Jersey | National |
| White | 93.37% | 68.15% | 73.35% |
| Black | 2.53% | 13.54% | 12.63% |
| Asian | 2.04% | 9.19% | 5.22% |
| American Indian | 0.00% | 0.21% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 2.05% | 2.53% | 3.06% |
| Other race | 0.01% | 6.35% | 4.75% |