| Statistic | Westfield | Pennsylvania | National |
| Population | 1,452 | 13,262,738 | 336,919,644 |
| Population density (sq mi) | 1,302 | 296 | 91 |
| Median age | 35.8 | 40.6 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 52% | 56% | 55% |
| Families w/ Kids under 18 | 44% | 40% | 43% |
| Speak English | 100% | 89% | 79% |
| Speak Spanish | 0% | 5% | 13% |

The demographics of Westfield 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 1,452, Westfield exhibits a population density of 1,302 people per square mile, contrasting with the national average of 91. The median age stands at 35.8, with 52% of individuals aged 15 or older being married and 44% having children under 18. In terms of income equality in Westfield, 32% of households report a median income below $25,000, while 6% report an income exceeding $150,000, showcasing a diverse economic landscape.
Understanding the Westfield racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Westfield, the racial breakdown indicates 99% White, 0% Black or African American, 0% Asian, 0% American Indian and 0% Native Hawaiian, with 2% of the population identifying as Hispanic or Latino. Notably, 99.8% of households reported speaking English only, while 0.2% reported speaking Spanish only. Additionally, 0.1% of residents were categorized as foreign-born.
Westfield, 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 Westfield population density stands at 1,302, exceeding the national average, at 91 people per square mile, positioning it in a nice position to reap the benefits of densely populated areas.
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 Westfield 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 Westfield 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 Westfield demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.
Policy Planning: Demographic data and statistics can inform policy and decision-making processes at various levels of government, as well as in organizations and businesses. By reporting and analyzing Westfield demographics data, policymakers, government officials and organizational leaders can identify areas of need, allocate resources effectively and develop targeted policies and programs that address the specific needs and priorities of different demographic groups. Westfield demographics can play a crucial role in policy planning by informing resource allocation, evidence-based decision making, identifying priorities, forecasting future trends, monitoring policy impact and promoting equity and inclusion. By leveraging this data effectively, policymakers can develop policies that are targeted, effective and responsive to the needs of diverse communities.

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| Race | Westfield | Pennsylvania | National |
| White | 99.01% | 81.37% | 73.35% |
| Black | 0.00% | 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 | 0.99% | 2.24% | 3.06% |
| Other race | 0.00% | 1.98% | 4.75% |