| Statistic | St. John | Indiana | National |
| Population | 18,382 | 6,732,219 | 328,239,523 |
| Population density (sq mi) | 1,452 | 188 | 91 |
| Median age | 44.3 | 37.4 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 71% | 56% | 55% |
| Families w/ Kids under 18 | 35% | 43% | 43% |
| Speak English | 92% | 92% | 79% |
| Speak Spanish | 4% | 5% | 13% |
St. John 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 St. John population is 18,382 and has a population density of 1,452 people per square mile, compared to the national average of 91. The median age of all residents is 44.3, 71% of people 15 years of age or older are married and 35% have kids under the age of 18. In St. John, 5% of households have a median income that is below $25,000 and 41% of households report a median income above $150,000.
Understanding the St. John racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In St. John, the racial breakdown indicates 85.1% White, 2.3% Black or African American, 1.8% Asian, 0% American Indian and 0.1% Native Hawaiian, with 10.8% of the population identifying as Hispanic or Latino. Notably, 91.9% of households reported speaking English only, while 4.3% reported speaking Spanish only. Additionally, 4.4% of residents were categorized as foreign-born.
St. John 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 St. John population density is 1,452, surpassing the national average of 91 per square miles, positioning itself to capitalize on the advantages of dense urban living.
Education Allocation: St. John demographic data can help guide education planning by identifying student demographics, school enrollment trends and educational needs, helping schools and policymakers allocate resources and develop effective educational programs. It can be an essential tool for identifying disparities in educational access and outcomes among different demographic groups, such as racial and ethnic minorities, socio-economic status, or students with disabilities. By disaggregating data by demographic factors, education planners can identify areas of inequity and develop targeted interventions to improve access, support and outcomes for marginalized students. Overall, St. John demographic data is invaluable in education for promoting equity, supporting student success, and fostering inclusive learning environments that meet the needs of all students.
Understanding Populations: By reporting and analyzing St. John demographics, we can acquire valuable insights into the makeup and traits of populations, encompassing age, gender, race, ethnicity, income, education and various socio-economic factors. This comprehension is vital for tackling the varied needs, preferences, and obstacles encountered by different demographic groups within communities. Demographics serve a pivotal role in comprehending populations, guiding decision-making processes and advancing equity, inclusion and overall well-being for all individuals and communities. The St. John population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and strength of communities.
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 St. John 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 | St. John | Indiana | National |
| White | 85.09% | 83.99% | 73.35% |
| Black | 2.33% | 9.23% | 12.63% |
| Asian | 1.83% | 1.98% | 5.22% |
| American Indian | 0.00% | 0.24% | 0.82% |
| Native Hawaiian | 0.10% | 0.04% | 0.18% |
| Mixed race | 4.15% | 2.22% | 3.06% |
| Other race | 6.50% | 2.30% | 4.75% |
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