| Statistic | St. Marys | Ohio | National |
| Population | 8,227 | 11,689,100 | 328,239,523 |
| Population density (sq mi) | 1,762 | 288 | 91 |
| Median age | 36.1 | 39.3 | 37.7 |
| Male/Female ratio | 0.8:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 62% | 56% | 55% |
| Families w/ Kids under 18 | 50% | 42% | 43% |
| Speak English | 98% | 93% | 79% |
| Speak Spanish | 1% | 2% | 13% |
The demographics of St. Marys 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 8,227, St. Marys exhibits a population density of 1,762 people per square mile, contrasting with the national average of 91. The median age stands at 36.1, with 62% of individuals aged 15 or older being married and 50% having children under 18. In terms of income equality in St. Marys, 17% of households report a median income below $25,000, while 9% report an income exceeding $150,000, showcasing a diverse economic landscape.
The St. Marys 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 St. Marys is 95.1% White, 0.3% Black or African American, 0.4% Asian, 0% American Indian and 0% Native Hawaiian - 1.2% of the population identify as Hispanic or Latino. Of all households, 97.8% reported speaking English only, while 0.5% reported speaking Spanish only. A total of 1.1% of residents were considered foreign born.
Communities such as St. Marys, with population densities higher than the average, play a significant role in promoting environmental sustainability by decreasing per capita energy consumption, greenhouse gas emissions and land use. Their compact urban development encourages the adoption of energy-efficient buildings, walking, cycling, and public transportation, fostering sustainable lifestyles and minimizing environmental impact. Additionally, densely populated areas tend to cultivate vibrant social and cultural scenes, fueled by a diverse population that contributes to a myriad of cultural events, festivals and community activities. This cultural diversity sparks creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. St. Marys has a population density of 1,762, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.
Urban Development: Utilizing St. Marys demographic statistics and data, urban planners can craft and develop areas that cater to local residents, encompassing housing, transportation and public services, all while emphasizing sustainability and enriching quality of life. Demographic transitions can contribute to gentrification and neighborhood evolution, whether in urban or rural environments. As neighborhoods draw in new residents with varying income levels and lifestyle preferences, property values may appreciate, potentially displacing longtime inhabitants and reshaping the neighborhood's fabric. Comprehensive insights into population density, age distribution, household size, and income levels are instrumental in guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Harnessing St. Marys demographic stats for planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
Social Cohesion: Analyzing demographics is vital for nurturing social cohesion and fostering understanding among diverse communities. By embracing and respecting variations in St. Marys demographics, societies can advance inclusivity, diversity and social unity while combatting social inequalities and advocating for equal opportunities. Racial demographics mirror the diversity within a population and can be instrumental in cultivating inclusive and inviting communities. Embracing diversity strengthens social bonds, fosters cultural appreciation and enriches society by acknowledging the contributions of individuals from various racial and ethnic backgrounds.
Understanding Populations: Reporting and analyzing the demographic data in St. Marys can allow us to gain insights into the characteristics and composition of populations, including age, gender, race, ethnicity, income, education and other socio-economic factors. This understanding is essential for addressing the diverse needs, preferences and challenges of different demographic groups within communities. Demographics can play a crucial role in understanding populations, informing decision-making processes and promoting equity, inclusion, and well-being for all individuals and communities. St. Marys population data serves as a foundation for addressing social, economic, and environmental challenges and promoting the well-being and resilience of societies.
| Race | St. Marys | Ohio | National |
| White | 95.13% | 82.16% | 73.35% |
| Black | 0.34% | 12.27% | 12.63% |
| Asian | 0.45% | 1.94% | 5.22% |
| American Indian | 0.00% | 0.19% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 3.45% | 2.57% | 3.06% |
| Other race | 0.63% | 0.85% | 4.75% |
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