| Statistic | Erie | Pennsylvania | National |
| Population | 100,285 | 13,262,738 | 336,919,644 |
| Population density (sq mi) | 5,240 | 296 | 91 |
| Median age | 34.5 | 40.6 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 41% | 56% | 55% |
| Families w/ Kids under 18 | 46% | 40% | 43% |
| Speak English | 88% | 89% | 79% |
| Speak Spanish | 5% | 5% | 13% |

The demographics of Erie 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 100,285, Erie exhibits a population density of 5,240 people per square mile, contrasting with the national average of 91. The median age stands at 34.5, with 41% of individuals aged 15 or older being married and 46% having children under 18. In terms of income equality in Erie, 31% of households report a median income below $25,000, while 6% report an income exceeding $150,000, showcasing a diverse economic landscape.
Understanding the Erie racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Erie, the racial breakdown indicates 72.4% White, 15.6% Black or African American, 2.8% Asian, 0.4% American Indian and 0% Native Hawaiian, with 8.2% of the population identifying as Hispanic or Latino. Notably, 88% of households reported speaking English only, while 4.8% reported speaking Spanish only. Additionally, 7.1% of residents were categorized as 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. Erie has a population density of 5,240 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the country.
Healthcare Planning: The analysis of Erie demographics can offer insights into healthcare planning and delivery, identifying population health needs, disparities and risk factors. By understanding demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs and address health inequities within communities. Through the use of demographic data and statistics, healthcare providers and policymakers aim to achieve equitable, accessible and high-quality healthcare for all individuals and communities. This proactive approach to healthcare planning ensures targeted interventions, efficient resource allocation and customized healthcare services to meet the diverse needs of populations.
Urban Development: Urban planners could use Erie 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 Erie 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 Erie 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 | Erie | Pennsylvania | National |
| White | 72.44% | 81.37% | 73.35% |
| Black | 15.64% | 11.03% | 12.63% |
| Asian | 2.84% | 3.14% | 5.22% |
| American Indian | 0.44% | 0.20% | 0.82% |
| Native Hawaiian | 0.05% | 0.03% | 0.18% |
| Mixed race | 5.54% | 2.24% | 3.06% |
| Other race | 3.06% | 1.98% | 4.75% |