| Statistic | Belleville | Pennsylvania | National |
| Population | 1,838 | 12,801,989 | 328,239,523 |
| Population density (sq mi) | 921 | 287 | 91 |
| Median age | 54.0 | 40.6 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 73% | 56% | 55% |
| Families w/ Kids under 18 | 35% | 40% | 43% |
| Speak English | 96% | 89% | 79% |
| Speak Spanish | 3% | 5% | 13% |
The demographics of Belleville 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 1,838, Belleville exhibits a population density of 921 people per square mile, contrasting with the national average of 91. The median age stands at 54, with 73% of individuals aged 15 or older being married and 35% having children under 18. In terms of income equality in Belleville, 24% of households report a median income below $25,000, while 14% report an income exceeding $150,000, showcasing a diverse economic landscape.
The Belleville 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 Belleville is 98.5% White, 0.5% Black or African American, 0% Asian, 0% American Indian and 0% Native Hawaiian - 0.1% of the population identify as Hispanic or Latino. Of all households, 95.6% reported speaking English only, while 3.4% reported speaking Spanish only. A total of 0.4% of residents were considered 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 921, exceeding the national average, at 91 people per square mile, positioning it in a nice position to reap the benefits of densely populated areas.
Policy Planning: Demographic data and statistics serve as vital tools for informing policy and decision-making processes across various levels of government, as well as within organizations and businesses. Through the reporting and analysis of demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of need, allocate resources efficiently, and craft tailored policies and programs to address the unique needs and priorities of different demographic groups. The utilization of demographic data in Belleville is instrumental in policy planning, facilitating resource allocation, evidence-based decision-making, priority identification, trend forecasting, policy impact assessment, and the promotion of equity and inclusion. By harnessing this data effectively, policymakers can devise targeted, impactful, and inclusive policies that cater to the diverse needs of communities.
Urban Development: Urban planners could use Belleville 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 Belleville demographics for planning and development of affordable housing can help prevent displacement.
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 Belleville 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.
| Race | Belleville | Pennsylvania | National |
| White | 98.53% | 81.37% | 73.35% |
| Black | 0.54% | 11.03% | 12.63% |
| Asian | 0.00% | 3.14% | 5.22% |
| American Indian | 0.00% | 0.20% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 0.92% | 2.24% | 3.06% |
| Other race | 0.00% | 1.98% | 4.75% |
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