| Statistic | Overlea | Maryland | National |
| Population | 12,505 | 6,178,543 | 336,919,644 |
| Population density (sq mi) | 4,164 | 636 | 91 |
| Median age | 42.0 | 38.3 | 37.7 |
| Male/Female ratio | 0.8:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | 51% | 54% | 55% |
| Families w/ Kids under 18 | 33% | 44% | 43% |
| Speak English | 88% | 82% | 79% |
| Speak Spanish | 6% | 7% | 13% |

The population of Overlea is 12,505, with a population density of 4,164 people per square mile, diverging from the national average of 91. The median age is 42 and 51% of individuals aged 15 or older are married, while 33% have children under 18. As far as income equality in Overlea goes, 16% of households have a median income below $25,000, whereas 15% report an income exceeding $150,000. The Overlea demographics data can provide indispensable insights into the composition, dynamics and needs of cities, towns or even villages, empowering planners, developers and policymakers to devise strategies that foster prosperity, equity and well-being for all residents.
The 5 largest ethnic groups in Overlea are 63.1% White, 24% Black or African American, 3.2% Asian, 0% American Indian and 0% Native Hawaiian, with 8.2% of the population identifying as Hispanic or Latino. Of note, 88.4% of households reported speaking English only, while 6.3% reported speaking Spanish only. Additionally, 7.8% of residents were classified as foreign-born. The Overlea racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.
The Overlea population density comes in at 4,164 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.
Healthcare Planning: Analyzing the demographic data in Overlea has the potential to inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. Healthcare providers and policymakers can allocate resources more effectively, develop prevention and intervention programs and address health inequities within communities by understanding demographic trends. Leveraging demographic statistics can enable healthcare providers and policymakers to strive for 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 diverse population needs.
Education Allocation: Overlea demographics can play a pivotal role in guiding education planning, offering insights into student demographics, school enrollment patterns, and educational requirements. This data aids schools and policymakers in resource allocation and the development of effective educational programs. It serves as a critical tool for identifying disparities in educational access and outcomes among diverse demographic groups, such as 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. Ultimately, Overlea demographic data is indispensable in education for advancing equity, fostering student achievement, and cultivating inclusive learning environments tailored to the needs of all students.
Social Cohesion: The analysis and understanding of demographics are essential for promoting social cohesion and fostering appreciation among diverse communities. By embracing and acknowledging differences in Overlea demographics, societies can promote inclusivity, diversity and social harmony while addressing social inequalities and advocating for equal opportunities. Racial demographics can reflect the diversity within a population and are instrumental in fostering inclusive and welcoming communities. Embracing ethnic diversity strengthens social connections, promotes cultural understanding and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.
| Race | Overlea | Maryland | National |
| White | 63.09% | 57.19% | 73.35% |
| Black | 24.03% | 29.63% | 12.63% |
| Asian | 3.19% | 6.08% | 5.22% |
| American Indian | 0.00% | 0.27% | 0.82% |
| Native Hawaiian | 0.00% | 0.05% | 0.18% |
| Mixed race | 3.70% | 3.12% | 3.06% |
| Other race | 5.99% | 3.67% | 4.75% |