| Statistic | Upper St. Clair | Pennsylvania | National |
| Population | 19,521 | 12,801,989 | 328,239,523 |
| Population density (sq mi) | 1,988 | 287 | 91 |
| Median age | 44.1 | 40.6 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 73% | 56% | 55% |
| Families w/ Kids under 18 | 49% | 40% | 43% |
| Speak English | 90% | 89% | 79% |
| Speak Spanish | 1% | 5% | 13% |
Upper St. Clair 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 Upper St. Clair population is 19,521 and has a population density of 1,988 people per square mile, compared to the national average of 91. The median age of all residents is 44.1, 73% of people 15 years of age or older are married and 49% have kids under the age of 18. In Upper St. Clair, 10% of households have a median income that is below $25,000 and 44% of households report a median income above $150,000.
The Upper St. Clair racial demographics and ethnicity breakdown could be indispensable tools for recognizing and rectifying systemic inequities, fostering social justice and inclusion and cultivating resilient communities. In Upper St. Clair, the racial breakdown reveals 91% White, 0.3% Black or African American, 6.4% Asian, 0.1% American Indian and 0% Native Hawaiian, with 2% of the population identifying as Hispanic or Latino. Of all households, 89.6% reported speaking English only, while 0.8% reported speaking Spanish only. Moreover, 8.6% of residents were classified as foreign-born.
Upper St. Clair has a population density that is well above-average, which 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. Upper St. Clair has a population density of 1,988 people per square mile, exceeding the national average of 91 and positions itself in a good spot to reap the benefits of densely populated areas.
Social Cohesion: The reporting and analysis of demographics are essential for fostering social cohesion and understanding among diverse communities. By acknowledging and valuing differences in Upper St. Clair demographics, societies can champion inclusivity, diversity and social harmony while tackling social disparities and advocating for equal opportunities. Racial demographics showcase the varied makeup of a population and play a vital role in nurturing inclusive and hospitable communities. Embracing diversity bolsters social cohesion, enhances cultural comprehension and enriches society by honoring the contributions of individuals from diverse racial and ethnic backgrounds.
Education Allocation: Upper St. Clair demographics can play a pivotal role in guiding education planning, offering insights into student demographics, school enrollment patterns, and educational requirements. This data aids schools and policymakers in resource allocation and the development of effective educational programs. It serves as a critical tool for identifying disparities in educational access and outcomes among diverse demographic groups, such as racial and ethnic minorities, socio-economic status, and students with disabilities. Through the disaggregation of data by demographic factors, education planners can pinpoint areas of inequity and implement targeted interventions to enhance access, support, and outcomes for marginalized students. Ultimately, Upper St. Clair demographic data is indispensable in education for advancing equity, fostering student achievement, and cultivating inclusive learning environments tailored to the needs of all students.
Urban Development: Urban planners could use Upper St. Clair 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 Upper St. Clair demographics for planning and development of affordable housing can help prevent displacement.
| Race | Upper St. Clair | Pennsylvania | National |
| White | 90.99% | 81.37% | 73.35% |
| Black | 0.30% | 11.03% | 12.63% |
| Asian | 6.38% | 3.14% | 5.22% |
| American Indian | 0.11% | 0.20% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 2.03% | 2.24% | 3.06% |
| Other race | 0.18% | 1.98% | 4.75% |
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