| Statistic | Wilmington | Ohio | National |
| Population | 12,936 | 12,145,682 | 336,919,644 |
| Population density (sq mi) | 1,188 | 297 | 91 |
| Median age | 37.2 | 39.3 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 49% | 56% | 55% |
| Families w/ Kids under 18 | 43% | 42% | 43% |
| Speak English | 95% | 93% | 79% |
| Speak Spanish | 3% | 2% | 13% |

The population in Wilmington is 12,936, while the population density is 1,188 people per square mile, contrasting with the national average of 91. The median age stands at 37.2, with 49% of individuals aged 15 or older being married and 43% having children under 18. In terms of household income equality in Wilmington, 38% of households report a median income below $25,000, while 6% 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.
The Wilmington racial demographics and ethnicity breakdown serves as a critical tool for understanding and addressing systemic inequities, promoting social justice and inclusion and building stronger, more resilient communities. The racial breakdown in Wilmington is 87.1% White, 5.3% Black or African American, 1.3% Asian, 0% American Indian and 0.1% Native Hawaiian - 2.7% of the population identify as Hispanic or Latino. Of all households, 95% reported speaking English only, while 2.7% reported speaking Spanish only. A total of 4% of residents were considered foreign born.
Communities such as Wilmington, with population densities higher than the average, play a significant role in promoting environmental sustainability by decreasing per capita energy consumption, greenhouse gas emissions and land use. Their compact urban development encourages the adoption of energy-efficient buildings, walking, cycling, and public transportation, fostering sustainable lifestyles and minimizing environmental impact. Additionally, densely populated areas tend to cultivate vibrant social and cultural scenes, fueled by a diverse population that contributes to a myriad of cultural events, festivals and community activities. This cultural diversity sparks creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. Wilmington has a population density of 1,188, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.
Policy Planning: Demographic data and statistics serve as valuable tools for guiding policy and decision-making processes across government entities, organizations, and businesses. Through the analysis and interpretation of Wilmington demographics, policymakers, government officials and organizational leaders can identify areas requiring attention, allocate resources strategically and develop policies and initiatives that cater to the unique needs and preferences of various demographic groups. Wilmington demographic statistics can play a critical role in policy planning by informing resource allocation, enabling evidence-based decision-making, identifying priority areas, forecasting future trends, monitoring policy outcomes and fostering equity and inclusivity. By harnessing this data effectively, policymakers can craft policies that are targeted, efficient and equitable, thereby addressing the diverse needs of communities.
Healthcare Planning: Analyzing the demographic data in Wilmington 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.
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 | Ohio | National |
| White | 87.09% | 82.16% | 73.35% |
| Black | 5.29% | 12.27% | 12.63% |
| Asian | 1.29% | 1.94% | 5.22% |
| American Indian | 0.00% | 0.19% | 0.82% |
| Native Hawaiian | 0.06% | 0.03% | 0.18% |
| Mixed race | 4.48% | 2.57% | 3.06% |
| Other race | 1.78% | 0.85% | 4.75% |