| Statistic | St. Marys | West Virginia | National |
| Population | 2,050 | 1,792,147 | 328,239,523 |
| Population density (sq mi) | 2,002 | 74 | 91 |
| Median age | 43.3 | 41.9 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 62% | 59% | 55% |
| Families w/ Kids under 18 | 33% | 37% | 43% |
| Speak English | 100% | 98% | 79% |
| Speak Spanish | 0% | 1% | 13% |
St. Marys 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. Marys population is 2,050 and has a population density of 2,002 people per square mile, compared to the national average of 91. The median age of all residents is 43.3, 62% of people 15 years of age or older are married and 33% have kids under the age of 18. In St. Marys, 19% of households have a median income that is below $25,000 and 7% of households report a median income above $150,000.
The St. Marys racial demographics and ethnicity breakdown could be indispensable tools for recognizing and rectifying systemic inequities, fostering social justice and inclusion and cultivating resilient communities. In St. Marys, the racial breakdown reveals 99.3% White, 0% Black or African American, 0% Asian, 0% American Indian and 0% Native Hawaiian, with 0% of the population identifying as Hispanic or Latino. Of all households, 100% reported speaking English only, while 0% reported speaking Spanish only. Moreover, 0% of residents were classified as foreign-born.
In areas with high population density, residents enjoy a wealth of amenities and services conveniently located within walking distance or a short commute. Access to healthcare facilities, educational institutions, cultural venues, dining options, retail stores and public transit enhances residents' quality of life and overall well-being. St. Marys has a population density of 2,002 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the country.
Urban Development: Urban planners could use St. Marys demographic data to design and create areas that accommodate the needs of residents, including housing, transportation and public services, while promoting sustainability and quality of life. Demographic shifts can contribute to gentrification and neighborhood change in urban or rural areas. As neighborhoods attract new residents with different income levels and lifestyle preferences, property values may rise, leading to displacement of long-time residents and changes in the character and identity of the neighborhood. Understanding population density, age distribution, household size and income levels helps inform decisions related to zoning, transportation infrastructure, housing development and public amenities. Lastly, using St. Marys demographics for planning and development of affordable housing can help prevent displacement.
Policy Planning: Demographic data and statistics serve as vital tools for informing policy and decision-making processes across various levels of government, as well as within organizations and businesses. Through the reporting and analysis of demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of need, allocate resources efficiently, and craft tailored policies and programs to address the unique needs and priorities of different demographic groups. The utilization of demographic data in St. Marys is instrumental in policy planning, facilitating resource allocation, evidence-based decision-making, priority identification, trend forecasting, policy impact assessment, and the promotion of equity and inclusion. By harnessing this data effectively, policymakers can devise targeted, impactful, and inclusive policies that cater to the diverse needs of communities.
Understanding Populations: The examination and analysis of St. Marys demographic data can offer valuable insights into the composition and traits of populations, including age, gender, race, ethnicity, income, education and various socio-economic factors. This understanding is essential for addressing the varied needs, preferences, and challenges faced by different demographic groups within communities. Demographics hold significant importance in understanding populations, guiding decision-making processes and promoting equity, inclusion, and overall well-being for all individuals and communities. The St. Marys population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and resilience of societies.
| Race | St. Marys | West Virginia | National |
| White | 99.32% | 93.46% | 73.35% |
| Black | 0.00% | 3.43% | 12.63% |
| Asian | 0.00% | 0.76% | 5.22% |
| American Indian | 0.00% | 0.18% | 0.82% |
| Native Hawaiian | 0.00% | 0.04% | 0.18% |
| Mixed race | 0.68% | 1.83% | 3.06% |
| Other race | 0.00% | 0.31% | 4.75% |
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