| Statistic | Justice | Illinois | National |
| Population | 12,945 | 13,081,969 | 336,919,644 |
| Population density (sq mi) | 4,560 | 236 | 91 |
| Median age | 32.0 | 37.4 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 49% | 55% | 55% |
| Families w/ Kids under 18 | 46% | 44% | 43% |
| Speak English | 58% | 77% | 79% |
| Speak Spanish | 7% | 13% | 13% |

The demographics of Justice 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 12,945, Justice exhibits a population density of 4,560 people per square mile, contrasting with the national average of 91. The median age stands at 32, with 49% of individuals aged 15 or older being married and 46% having children under 18. In terms of income equality in Justice, 17% of households report a median income below $25,000, while 18% report an income exceeding $150,000, showcasing a diverse economic landscape.
The Justice 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 Justice is 65.2% White, 21.7% Black or African American, 5.5% Asian, 0.3% American Indian and 0% Native Hawaiian - 15% of the population identify as Hispanic or Latino. Of all households, 58% reported speaking English only, while 7.4% reported speaking Spanish only. A total of 26.7% of residents were considered foreign born.
High population density areas typically offer a diverse array of amenities and services within walking distance or a short commute, enriching residents' quality of life and well-being. Accessible healthcare facilities, educational institutions, cultural venues, restaurants, shopping and public transportation options contribute to the convenience and vibrancy of these communities. The population density of of Justice is 4,560 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the nation.
Understanding Populations: Analyzing and interpreting the Justice demographic data provides us with valuable insights into the characteristics and composition of populations, encompassing age, gender, race, ethnicity, income, education and other socio-economic variables. This understanding is crucial for addressing the diverse needs, preferences and challenges encountered by various demographic groups within communities. Demographics play a crucial role in understanding populations, informing decision-making processes, and advancing equity, inclusion, and overall well-being for all individuals and communities. The Justice population and demographic data serves as a foundation for addressing social, economic and environmental challenges, while also nurturing the well-being and resilience of societies.
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 Justice 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.
Healthcare Planning: Analyzing the demographic data in Justice has the potential to inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. Healthcare providers and policymakers can allocate resources more effectively, develop prevention and intervention programs and address health inequities within communities by understanding demographic trends. Leveraging demographic statistics can enable healthcare providers and policymakers to strive for equitable, accessible and high-quality healthcare for all individuals and communities. This proactive healthcare planning approach ensures targeted interventions, efficient resource allocation and tailored healthcare services to meet diverse population needs.
| Race | Justice | Illinois | National |
| White | 65.21% | 72.14% | 73.35% |
| Black | 21.70% | 14.30% | 12.63% |
| Asian | 5.48% | 5.10% | 5.22% |
| American Indian | 0.35% | 0.23% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 5.10% | 2.34% | 3.06% |
| Other race | 2.15% | 5.86% | 4.75% |