| Statistic | Arlington | Massachusetts | National |
| Population | 45,379 | 6,949,503 | 328,239,523 |
| Population density (sq mi) | 8,823 | 894 | 91 |
| Median age | 39.8 | 39.4 | 37.7 |
| Male/Female ratio | 0.9:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | 59% | 53% | 55% |
| Families w/ Kids under 18 | 46% | 43% | 43% |
| Speak English | 79% | 77% | 79% |
| Speak Spanish | 3% | 9% | 13% |
The population of Arlington is 45,379, with a population density of 8,823 people per square mile, diverging from the national average of 91. The median age is 39.8 and 59% of individuals aged 15 or older are married, while 46% have children under 18. As far as income equality in Arlington goes, 10% of households have a median income below $25,000, whereas 46% report an income exceeding $150,000. The Arlington 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 Arlington 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 Arlington, the racial breakdown reveals 78.5% White, 3% Black or African American, 12.9% Asian, 0% American Indian and 0% Native Hawaiian, with 5.2% of the population identifying as Hispanic or Latino. Of all households, 78.9% reported speaking English only, while 3.1% reported speaking Spanish only. Moreover, 18.6% of residents were classified as foreign-born.
The Arlington population density comes in at 8,823 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.
Education Allocation: Arlington 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, Arlington 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 Arlington 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.
Urban Development: Urban planners could use Arlington 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 Arlington demographics for planning and development of affordable housing can help prevent displacement.
| Race | Arlington | Massachusetts | National |
| White | 78.45% | 79.26% | 73.35% |
| Black | 3.00% | 7.26% | 12.63% |
| Asian | 12.94% | 6.11% | 5.22% |
| American Indian | 0.04% | 0.21% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 4.54% | 3.01% | 3.06% |
| Other race | 1.03% | 4.13% | 4.75% |
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