| Statistic | Streator | Illinois | National |
| Population | 12,592 | 13,081,969 | 336,919,644 |
| Population density (sq mi) | 1,809 | 236 | 91 |
| Median age | 40.4 | 37.4 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 50% | 55% | 55% |
| Families w/ Kids under 18 | 43% | 44% | 43% |
| Speak English | 89% | 77% | 79% |
| Speak Spanish | 8% | 13% | 13% |

The population in Streator is 12,592, while the population density is 1,809 people per square mile, contrasting with the national average of 91. The median age stands at 40.4, with 50% of individuals aged 15 or older being married and 43% having children under 18. In terms of household income equality in Streator, 28% of households report a median income below $25,000, while 7% report an income exceeding $150,000. The Streator demographics data can provide invaluable insight into the composition, dynamics and needs of urban and rural areas, enabling planners, developers and policymakers to strategize effectively for the promotion of prosperity, equity and well-being for all residents in the area.
The 5 largest ethnic groups in Streator are 86.7% White, 3.8% Black or African American, 1.7% Asian, 0% American Indian and 0% Native Hawaiian, with 12.2% of the population identifying as Hispanic or Latino. Of note, 88.7% of households reported speaking English only, while 8.4% reported speaking Spanish only. Additionally, 4.5% of residents were classified as foreign-born. The Streator racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.
Streator could serve as a prime example of how areas with higher-than-average population density can champion environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Embracing compact urban development, these densely populated areas promote energy-efficient buildings and encourages walking, cycling and public transit use, fostering sustainable lifestyles and minimizing environmental impact. Moreover, densely populated regions are renowned for their vibrant social and cultural scenes, driven by a diverse population that organizes an array of cultural events, festivals and community activities. This cultural diversity ignites creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. The Streator population density is 1,809, surpassing the national average of 91 per square miles, positioning itself to capitalize on the advantages of dense urban living.
Education Allocation: In education planning, Streator 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, Streator 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 Streator 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 Streator demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.
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 Streator 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 | Streator | Illinois | National |
| White | 86.69% | 72.14% | 73.35% |
| Black | 3.77% | 14.30% | 12.63% |
| Asian | 1.65% | 5.10% | 5.22% |
| American Indian | 0.00% | 0.23% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 2.00% | 2.34% | 3.06% |
| Other race | 5.88% | 5.86% | 4.75% |