| Statistic | Garrison | Maryland | National |
| Population | 9,145 | 6,178,543 | 336,919,644 |
| Population density (sq mi) | 2,895 | 636 | 91 |
| Median age | 36.1 | 38.3 | 37.7 |
| Male/Female ratio | 0.7:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | 47% | 54% | 55% |
| Families w/ Kids under 18 | 47% | 44% | 43% |
| Speak English | 80% | 82% | 79% |
| Speak Spanish | 4% | 7% | 13% |

The population in Garrison is 9,145, while the population density is 2,895 people per square mile, contrasting with the national average of 91. The median age stands at 36.1, with 47% of individuals aged 15 or older being married and 47% having children under 18. In terms of household income equality in Garrison, 12% of households report a median income below $25,000, while 29% report an income exceeding $150,000. The Garrison 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.
The Garrison racial demographics and ethnicity breakdown could be indispensable tools for recognizing and rectifying systemic inequities, fostering social justice and inclusion and cultivating resilient communities. In Garrison, the racial breakdown reveals 53.3% White, 37.1% Black or African American, 3.6% Asian, 0% American Indian and 0% Native Hawaiian, with 5.3% of the population identifying as Hispanic or Latino. Of all households, 80.2% reported speaking English only, while 4.5% reported speaking Spanish only. Moreover, 13.9% of residents were classified as foreign-born.
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 Garrison population density is 2,895 people per square mile, well above the national average of 91, making it one of the most densely populated cities in the nation.
Education Allocation: Garrison 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, Garrison demographic data is invaluable in education for promoting equity, supporting student success, and fostering inclusive learning environments that meet the needs of all students.
Urban Development: Garrison 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 Garrison demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
Understanding Populations: Analyzing and interpreting the Garrison demographic data provides us with valuable insights into the characteristics and composition of populations, encompassing age, gender, race, ethnicity, income, education and other socio-economic variables. This understanding is crucial for addressing the diverse needs, preferences and challenges encountered by various demographic groups within communities. Demographics play a crucial role in understanding populations, informing decision-making processes, and advancing equity, inclusion, and overall well-being for all individuals and communities. The Garrison population and demographic data serves as a foundation for addressing social, economic and environmental challenges, while also nurturing the well-being and resilience of societies.
| Race | Garrison | Maryland | National |
| White | 53.26% | 57.19% | 73.35% |
| Black | 37.12% | 29.63% | 12.63% |
| Asian | 3.60% | 6.08% | 5.22% |
| American Indian | 0.00% | 0.27% | 0.82% |
| Native Hawaiian | 0.00% | 0.05% | 0.18% |
| Mixed race | 5.69% | 3.12% | 3.06% |
| Other race | 0.33% | 3.67% | 4.75% |