| Statistic | Brookhaven | Georgia | National |
| Population | 55,874 | 10,962,807 | 336,919,644 |
| Population density (sq mi) | 4,824 | 191 | 91 |
| Median age | 34.4 | 36.2 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 51% | 54% | 55% |
| Families w/ Kids under 18 | 47% | 45% | 43% |
| Speak English | 72% | 86% | 79% |
| Speak Spanish | 18% | 8% | 13% |

Brookhaven 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 Brookhaven population is 55,874 and has a population density of 4,824 people per square mile, compared to the national average of 91. The median age of all residents is 34.4, 51% of people 15 years of age or older are married and 47% have kids under the age of 18. In Brookhaven, 12% of households have a median income that is below $25,000 and 42% of households report a median income above $150,000.
The Brookhaven 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 Brookhaven is 70.3% White, 11.6% Black or African American, 5.1% Asian, 3.6% American Indian and 0% Native Hawaiian - 20.9% of the population identify as Hispanic or Latino. Of all households, 72.1% reported speaking English only, while 18% reported speaking Spanish only. A total of 19.9% of residents were considered foreign born.
Areas with a high population density tend to support a wide range of amenities and services within walking distance or a short commute. Residents tend to have convenient access to healthcare facilities, educational institutions, cultural venues, restaurants, shops and public transportation options, enhancing their quality of life and overall well-being. The Brookhaven population density is 4,824 people per square mile, which is well-above the national average of 91 and is considered one of the most densely populated cities in the country.
Education Allocation: Brookhaven 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, Brookhaven 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: The examination and interpretation of demographics are pivotal for nurturing social cohesion and promoting understanding among diverse communities. By acknowledging and honoring differences in Brookhaven demographics, societies can champion inclusivity, diversity and social cohesion while addressing social disparities and advocating for equitable opportunities. Racial demographics can potentially showcase the diversity of a population and are crucial for fostering inclusive and embracing communities. Embracing diversity fortifies social bonds, fosters cultural appreciation 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 Brookhaven 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.
| Race | Brookhaven | Georgia | National |
| White | 70.32% | 59.80% | 73.35% |
| Black | 11.58% | 31.17% | 12.63% |
| Asian | 5.07% | 3.70% | 5.22% |
| American Indian | 3.59% | 0.29% | 0.82% |
| Native Hawaiian | 0.04% | 0.05% | 0.18% |
| Mixed race | 5.40% | 2.20% | 3.06% |
| Other race | 4.00% | 2.79% | 4.75% |