| Statistic | Wilmington | Massachusetts | National |
| Population | 24,176 | 7,120,135 | 336,919,644 |
| Population density (sq mi) | 1,425 | 913 | 91 |
| Median age | 40.7 | 39.4 | 37.7 |
| Male/Female ratio | 1.0:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | 63% | 53% | 55% |
| Families w/ Kids under 18 | 39% | 43% | 43% |
| Speak English | 90% | 77% | 79% |
| Speak Spanish | 0% | 9% | 13% |

The population in Wilmington is 24,176, while the population density is 1,425 people per square mile, contrasting with the national average of 91. The median age stands at 40.7, with 63% of individuals aged 15 or older being married and 39% having children under 18. In terms of household income equality in Wilmington, 9% of households report a median income below $25,000, while 55% report an income exceeding $150,000. The Wilmington 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.
Understanding the Wilmington racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Wilmington, the racial breakdown indicates 87% White, 2.9% Black or African American, 5.4% Asian, 0% American Indian and 0% Native Hawaiian, with 1.2% of the population identifying as Hispanic or Latino. Notably, 89.9% of households reported speaking English only, while 0.5% reported speaking Spanish only. Additionally, 9.9% of residents were categorized as foreign-born.
Areas like Wilmington that have a higher than average population density tend to support environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Compact urban development encourages energy-efficient buildings, walking, cycling and the use of public transit, promoting sustainable lifestyles and reducing environmental impact. Densely populated areas also tend to have more vibrant social and cultural scenes, with a diverse population contributing to a wide array of cultural events, festivals and community activities. This diversity fosters creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. The Wilmington population density is higher than average and comes in at 1,425 people per square mile (compared to the nationwide average of 91), putting it in a position to take advantage of all the benefits of a densely populated area.
Policy Planning: Demographic data and statistics play a fundamental role in informing policy and decision-making processes across government entities, organizations and businesses. Through the analysis and interpretation of Wilmington demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of concern, allocate resources efficiently, and devise policies and initiatives tailored to the specific needs and preferences of distinct demographic groups. The utilization of demographics in Wilmington can be crucial in policy planning, facilitating evidence-based decision-making, identifying key priorities, forecasting future trends, monitoring policy outcomes and advancing principles of equity and inclusion. By harnessing this data effectively, policymakers can develop policies that are targeted, effective and inclusive, thus meeting the diverse needs of communities.
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 Wilmington 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.
Urban Development: By leveraging demographic data in Wilmington, urban planners can tailor areas to meet the needs of any resident across housing, transportation and public services, all while fostering sustainability and elevating quality of life. Demographic changes can fuel gentrification and neighborhood transformation, whether in urban or rural settings. As neighborhoods attract newcomers with varying income levels and lifestyle preferences, property values may appreciate, potentially displacing established residents and reshaping the neighborhood's fabric. A nuanced understanding of population density, age distribution, household size and income levels is pivotal for guiding decisions on zoning, transportation infrastructure, housing development and public amenities. Utilizing the demographic data in planning and implementing affordable housing initiatives can help mitigate displacement risks and promote inclusive communities.
| Race | Wilmington | Massachusetts | National |
| White | 86.96% | 79.26% | 73.35% |
| Black | 2.91% | 7.26% | 12.63% |
| Asian | 5.44% | 6.11% | 5.22% |
| American Indian | 0.00% | 0.21% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 4.09% | 3.01% | 3.06% |
| Other race | 0.60% | 4.13% | 4.75% |