| Statistic | Addison | Texas | National |
| Population | 16,007 | 30,040,435 | 336,919,644 |
| Population density (sq mi) | 3,656 | 115 | 91 |
| Median age | 33.2 | 34.2 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 40% | 56% | 55% |
| Families w/ Kids under 18 | 43% | 48% | 43% |
| Speak English | 72% | 65% | 79% |
| Speak Spanish | 19% | 30% | 13% |

The demographics of Addison offer invaluable insights into the composition, dynamics and needs of both urban and rural areas, empowering planners, developers and policymakers to foster prosperity, equity, and well-being for all residents. With a population of 16,007, Addison exhibits a population density of 3,656 people per square mile, contrasting with the national average of 91. The median age stands at 33.2, with 40% of individuals aged 15 or older being married and 43% having children under 18. In terms of income equality in Addison, 11% of households report a median income below $25,000, while 20% report an income exceeding $150,000, showcasing a diverse economic landscape.
Recognizing the racial demographics and ethnicity breakdown of Addison is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Addison, the racial breakdown comprises 58.9% White, 13% Black or African American, 9.6% Asian, 0.7% American Indian, and 0% Native Hawaiian, with 25.5% of the population identifying as Hispanic or Latino. 71.5% of households reported speaking English only, while 19.3% reported speaking Spanish only. Furthermore, 22.9% of residents were categorized as foreign-born.
In areas with high population density, residents enjoy a wealth of amenities and services conveniently located within walking distance or a short commute. Access to healthcare facilities, educational institutions, cultural venues, dining options, retail stores and public transit enhances residents' quality of life and overall well-being. Addison has a population density of 3,656 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the country.
Understanding Populations: Analyzing and interpreting the Addison 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 Addison 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.
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 Addison 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 can leverage demographics data in Addison to design and develop areas that cater to residents' needs, spanning housing, transportation, and public services, while prioritizing sustainability and enhancing quality of life. Demographic changes can contribute to gentrification and neighborhood evolution, whether in urban or rural contexts. As neighborhoods attract new residents with diverse income levels and lifestyle preferences, property values may appreciate, potentially displacing longstanding residents and reshaping the neighborhood's identity. Understanding population density, age distribution, household size and income levels is essential for guiding decisions on zoning, transportation infrastructure, housing development and public amenities. Incorporating Addison demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.

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| Race | Addison | Texas | National |
| White | 58.89% | 74.84% | 73.35% |
| Black | 13.00% | 11.95% | 12.63% |
| Asian | 9.59% | 4.36% | 5.22% |
| American Indian | 0.73% | 0.48% | 0.82% |
| Native Hawaiian | 0.00% | 0.08% | 0.18% |
| Mixed race | 9.80% | 2.50% | 3.06% |
| Other race | 7.99% | 5.79% | 4.75% |