| Statistic | Brentwood | New York | National |
| Population | 64,448 | 20,171,207 | 336,919,644 |
| Population density (sq mi) | 5,877 | 428 | 91 |
| Median age | 34.9 | 38.2 | 37.7 |
| Male/Female ratio | 1.0:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | 46% | 52% | 55% |
| Families w/ Kids under 18 | 40% | 43% | 43% |
| Speak English | 31% | 70% | 79% |
| Speak Spanish | 63% | 15% | 13% |

The population in Brentwood is 64,448, while the population density is 5,877 people per square mile, contrasting with the national average of 91. The median age stands at 34.9, with 46% of individuals aged 15 or older being married and 40% having children under 18. In terms of household income equality in Brentwood, 13% of households report a median income below $25,000, while 34% report an income exceeding $150,000. The Brentwood demographics data can provide invaluable insight into the composition, dynamics and needs of urban and rural areas, enabling planners, developers and policymakers to strategize effectively for the promotion of prosperity, equity and well-being for all residents in the area.
Understanding the Brentwood racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Brentwood, the racial breakdown indicates 51% White, 14.9% Black or African American, 2.1% Asian, 0.5% American Indian and 0.2% Native Hawaiian, with 71.9% of the population identifying as Hispanic or Latino. Notably, 30.7% of households reported speaking English only, while 63.2% reported speaking Spanish only. Additionally, 40.6% of residents were categorized as foreign-born.
The Brentwood population density comes in at 5,877 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 reporting and analysis of demographics are essential for fostering social cohesion and understanding among diverse communities. By acknowledging and valuing differences in Brentwood demographics, societies can champion inclusivity, diversity and social harmony while tackling social disparities and advocating for equal opportunities. Racial demographics showcase the varied makeup of a population and play a vital role in nurturing inclusive and hospitable communities. Embracing diversity bolsters social cohesion, enhances cultural comprehension and enriches society by honoring the contributions of individuals from diverse racial and ethnic backgrounds.
Understanding Populations: Reporting and analyzing the demographic data in Brentwood can allow us to gain insights into the characteristics and composition of populations, including age, gender, race, ethnicity, income, education and other socio-economic factors. This understanding is essential for addressing the diverse needs, preferences and challenges of different demographic groups within communities. Demographics can play a crucial role in understanding populations, informing decision-making processes and promoting equity, inclusion, and well-being for all individuals and communities. Brentwood population data serves as a foundation for addressing social, economic, and environmental challenges and promoting the well-being and resilience of societies.
Urban Development: Urban planners could use Brentwood demographic data to design and create areas that accommodate the needs of residents, including housing, transportation and public services, while promoting sustainability and quality of life. Demographic shifts can contribute to gentrification and neighborhood change in urban or rural areas. As neighborhoods attract new residents with different income levels and lifestyle preferences, property values may rise, leading to displacement of long-time residents and changes in the character and identity of the neighborhood. Understanding population density, age distribution, household size and income levels helps inform decisions related to zoning, transportation infrastructure, housing development and public amenities. Lastly, using Brentwood demographics for planning and development of affordable housing can help prevent displacement.
| Race | Brentwood | New York | National |
| White | 50.97% | 64.31% | 73.35% |
| Black | 14.85% | 15.60% | 12.63% |
| Asian | 2.12% | 8.12% | 5.22% |
| American Indian | 0.53% | 0.38% | 0.82% |
| Native Hawaiian | 0.18% | 0.04% | 0.18% |
| Mixed race | 6.36% | 2.93% | 3.06% |
| Other race | 24.99% | 8.62% | 4.75% |