| Statistic | Peoria | Illinois | National |
| Population | 115,301 | 13,081,969 | 336,919,644 |
| Population density (sq mi) | 2,393 | 236 | 91 |
| Median age | 35.4 | 37.4 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 46% | 55% | 55% |
| Families w/ Kids under 18 | 45% | 44% | 43% |
| Speak English | 88% | 77% | 79% |
| Speak Spanish | 4% | 13% | 13% |

The population of Peoria is 115,301, with a population density of 2,393 people per square mile, diverging from the national average of 91. The median age is 35.4 and 46% of individuals aged 15 or older are married, while 45% have children under 18. As far as income equality in Peoria goes, 27% of households have a median income below $25,000, whereas 15% report an income exceeding $150,000. The Peoria demographics data can provide indispensable insights into the composition, dynamics and needs of cities, towns or even villages, empowering planners, developers and policymakers to devise strategies that foster prosperity, equity and well-being for all residents.
Understanding the Peoria racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Peoria, the racial breakdown indicates 59.4% White, 26.8% Black or African American, 6.4% Asian, 0.3% American Indian and 0% Native Hawaiian, with 6.7% of the population identifying as Hispanic or Latino. Notably, 88.5% of households reported speaking English only, while 4.4% reported speaking Spanish only. Additionally, 8.1% of residents were categorized as foreign-born.
High population density areas are renowned for their extensive array of amenities and services, easily accessible to residents within walking distance or a short commute. From healthcare facilities and educational institutions to cultural venues, dining establishments, retail shops and public transportation options, these communities offer convenience and enrichment to their inhabitants. The Peoria population density is 2,393 people per square mile, well above the national average of 91, making it one of the most densely populated cities in the nation.
Social Cohesion: Reporting and analyzing demographics can play a crucial role in fostering social cohesion and understanding among diverse communities. By recognizing and appreciating differences in Peoria demographics, societies can promote inclusivity, diversity and social harmony, while addressing social disparities and promoting equal opportunities for all individuals. Racial demographics reflect the diversity of a population and contribute to fostering inclusive and welcoming communities. Embracing diversity strengthens social cohesion, promotes cultural understanding and enriches the fabric of society by celebrating the contributions of individuals from different racial and ethnic backgrounds.
Education Allocation: Peoria 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, Peoria 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 can leverage demographics data in Peoria 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 Peoria demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.
| Race | Peoria | Illinois | National |
| White | 59.36% | 72.14% | 73.35% |
| Black | 26.78% | 14.30% | 12.63% |
| Asian | 6.40% | 5.10% | 5.22% |
| American Indian | 0.31% | 0.23% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 5.05% | 2.34% | 3.06% |
| Other race | 2.10% | 5.86% | 4.75% |