| Statistic | Belleville | Illinois | National |
| Population | 42,499 | 13,081,969 | 336,919,644 |
| Population density (sq mi) | 1,836 | 236 | 91 |
| Median age | 38.1 | 37.4 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 48% | 55% | 55% |
| Families w/ Kids under 18 | 48% | 44% | 43% |
| Speak English | 96% | 77% | 79% |
| Speak Spanish | 2% | 13% | 13% |
Belleville demographics provide invaluable insights into the composition, dynamics and needs of urban and rural areas, enabling them to plan, develop, and govern in ways that promote prosperity, equity and well-being for all residents. The Belleville population is 42,499 and has a population density of 1,836 people per square mile, compared to the national average of 91. The median age of all residents is 38.1, 48% of people 15 years of age or older are married and 48% have kids under the age of 18. In Belleville, 22% of households have a median income that is below $25,000 and 10% of households report a median income above $150,000.
Recognizing the racial demographics and ethnicity breakdown of Belleville is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Belleville, the racial breakdown comprises 69.1% White, 23.8% Black or African American, 0.4% Asian, 0.3% American Indian, and 0.1% Native Hawaiian, with 3.1% of the population identifying as Hispanic or Latino. 95.6% of households reported speaking English only, while 2% reported speaking Spanish only. Furthermore, 2.4% of residents were categorized as foreign-born.
Belleville, characterized by above-average population density, plays a pivotal role in promoting environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Its compact urban development encourages energy-efficient buildings, active transportation modes like walking and cycling and the utilization of public transit, fostering sustainable lifestyles and mitigating environmental impact. Additionally, the area's dense population contributes to a vibrant social and cultural scene, featuring a diverse array of cultural events, festivals and community activities. This cultural diversity fuels creativity, innovation, and cross-cultural exchange, enhancing the community's social fabric. The Belleville population density stands at 1,836, exceeding the national average, at 91 people per square mile, positioning it in a nice position to reap the benefits of densely populated areas.
Healthcare Planning: Analyzing the demographic data in Belleville 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.
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 Belleville 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. Belleville 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.
Social Cohesion: Reporting and analyzing demographics can play a crucial role in fostering social cohesion and understanding among diverse communities. By recognizing and appreciating differences in Belleville demographics, societies can promote inclusivity, diversity and social harmony, while addressing social disparities and promoting equal opportunities for all individuals. Racial demographics reflect the diversity of a population and contribute to fostering inclusive and welcoming communities. Embracing diversity strengthens social cohesion, promotes cultural understanding and enriches the fabric of society by celebrating the contributions of individuals from different racial and ethnic backgrounds.
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| Race | Belleville | Illinois | National |
| White | 69.12% | 72.14% | 73.35% |
| Black | 23.80% | 14.30% | 12.63% |
| Asian | 0.43% | 5.10% | 5.22% |
| American Indian | 0.25% | 0.23% | 0.82% |
| Native Hawaiian | 0.07% | 0.03% | 0.18% |
| Mixed race | 5.00% | 2.34% | 3.06% |
| Other race | 1.33% | 5.86% | 4.75% |
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