| Statistic | Carnegie | Pennsylvania | National |
| Population | 7,839 | 12,801,989 | 328,239,523 |
| Population density (sq mi) | 4,837 | 287 | 91 |
| Median age | 37.6 | 40.6 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 48% | 56% | 55% |
| Families w/ Kids under 18 | 34% | 40% | 43% |
| Speak English | 94% | 89% | 79% |
| Speak Spanish | 1% | 5% | 13% |
Carnegie 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 Carnegie population is 7,839 and has a population density of 4,837 people per square mile, compared to the national average of 91. The median age of all residents is 37.6, 48% of people 15 years of age or older are married and 34% have kids under the age of 18. In Carnegie, 33% of households have a median income that is below $25,000 and 10% of households report a median income above $150,000.
The Carnegie 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 Carnegie is 82.1% White, 11.4% Black or African American, 2.3% Asian, 0.2% American Indian and 0% Native Hawaiian - 2.2% of the population identify as Hispanic or Latino. Of all households, 94.3% reported speaking English only, while 1.1% reported speaking Spanish only. A total of 5.3% of residents were considered foreign born.
In areas with high population density, residents enjoy a wealth of amenities and services conveniently located within walking distance or a short commute. Access to healthcare facilities, educational institutions, cultural venues, dining options, retail stores and public transit enhances residents' quality of life and overall well-being. Carnegie has a population density of 4,837 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the country.
Education Allocation: In education planning, Carnegie demographic data can be invaluable for identifying student demographics, school enrollment trends and educational needs. This data aids schools and policymakers in resource allocation and the formulation of effective educational programs. It serves as a crucial tool for recognizing disparities in educational access and outcomes among different demographic groups, including 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. Overall, Carnegie demographic data can be an essential tool in education for promoting equity, facilitating student success, and nurturing inclusive learning environments that cater to the needs of all students.
Urban Development: Urban planners can leverage demographics data in Carnegie 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 Carnegie demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.
Social Cohesion: The analysis and understanding of demographics are essential for promoting social cohesion and fostering appreciation among diverse communities. By embracing and acknowledging differences in Carnegie demographics, societies can promote inclusivity, diversity and social harmony while addressing social inequalities and advocating for equal opportunities. Racial demographics can reflect the diversity within a population and are instrumental in fostering inclusive and welcoming communities. Embracing ethnic diversity strengthens social connections, promotes cultural understanding and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.
| Race | Carnegie | Pennsylvania | National |
| White | 82.14% | 81.37% | 73.35% |
| Black | 11.42% | 11.03% | 12.63% |
| Asian | 2.27% | 3.14% | 5.22% |
| American Indian | 0.24% | 0.20% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 3.36% | 2.24% | 3.06% |
| Other race | 0.57% | 1.98% | 4.75% |
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