Statistic St. Marys Georgia National
Population 18,321 10,617,423 328,239,523
Population density (sq mi) 803 187 91
Median age 35.7 36.2 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 57% 54% 55%
Families w/ Kids under 18 47% 45% 43%
Speak English 97% 86% 79%
Speak Spanish 1% 8% 13%

Overview of St. Marys Demographics

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 18,321 and has a population density of 803 people per square mile, compared to the national average of 91. The median age of all residents is 35.7, 57% of people 15 years of age or older are married and 47% have kids under the age of 18. In St. Marys, 21% of households have a median income that is below $25,000 and 18% of households report a median income above $150,000.

St. Marys Racial Demographics & Ethnicity

The 5 largest ethnic groups in St. Marys are 76.7% White, 13.7% Black or African American, 1.4% Asian, 0.9% American Indian and 0% Native Hawaiian, with 7.6% of the population identifying as Hispanic or Latino. Of note, 96.8% of households reported speaking English only, while 1.5% reported speaking Spanish only. Additionally, 3.4% of residents were classified as foreign-born. The St. Marys racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.

St. Marys Population Density

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 803, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.

Why are Demographics Important?

Education Allocation: St. Marys demographics can play a pivotal role in guiding education planning, offering insights into student demographics, school enrollment patterns, and educational requirements. This data aids schools and policymakers in resource allocation and the development of effective educational programs. It serves as a critical tool for identifying disparities in educational access and outcomes among diverse demographic groups, such as 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. Ultimately, St. Marys demographic data is indispensable in education for advancing equity, fostering student achievement, and cultivating inclusive learning environments tailored to the needs of all students.

Healthcare Planning: Analyzing the demographic data in St. Marys 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.

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.

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Demographics Quick Facts

  • The population density in St. Marys is 329% higher than Georgia
  • The median age in St. Marys is 1% lower than Georgia
  • In St. Marys 76.72% of the population is White
  • In St. Marys 13.65% of the population is Black
  • In St. Marys 1.40% of the population is Asian

Compare St. Marys, GA Demographics

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      St. Marys racial demographics

      Race St. Marys Georgia National
      White 76.72% 59.80% 73.35%
      Black 13.65% 31.17% 12.63%
      Asian 1.40% 3.70% 5.22%
      American Indian 0.94% 0.29% 0.82%
      Native Hawaiian 0.05% 0.05% 0.18%
      Mixed race 6.18% 2.20% 3.06%
      Other race 1.05% 2.79% 4.75%
      In St. Marys, 7.6% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      St. Marys age breakdown

      Marital status

      Age of children in married couples

      Source: The St. Marys, GA demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).