| Statistic | Marietta | Ohio | National |
| Population | 13,551 | 11,689,100 | 328,239,523 |
| Population density (sq mi) | 1,608 | 288 | 91 |
| Median age | 38.5 | 39.3 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 49% | 56% | 55% |
| Families w/ Kids under 18 | 45% | 42% | 43% |
| Speak English | 97% | 93% | 79% |
| Speak Spanish | 1% | 2% | 13% |
The population in Marietta is 13,551, while the population density is 1,608 people per square mile, contrasting with the national average of 91. The median age stands at 38.5, with 49% of individuals aged 15 or older being married and 45% having children under 18. In terms of household income equality in Marietta, 30% of households report a median income below $25,000, while 12% report an income exceeding $150,000. The Marietta demographics data can provide invaluable insight into the composition, dynamics and needs of urban and rural areas, enabling planners, developers and policymakers to strategize effectively for the promotion of prosperity, equity and well-being for all residents in the area.
Understanding the Marietta racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Marietta, the racial breakdown indicates 93.6% White, 2.2% Black or African American, 1.3% Asian, 0.9% American Indian and 0% Native Hawaiian, with 2.2% of the population identifying as Hispanic or Latino. Notably, 96.8% of households reported speaking English only, while 0.9% reported speaking Spanish only. Additionally, 2.9% of residents were categorized as foreign-born.
Areas like Marietta that have a higher than average population density tend to support environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Compact urban development encourages energy-efficient buildings, walking, cycling and the use of public transit, promoting sustainable lifestyles and reducing environmental impact. Densely populated areas also tend to have more vibrant social and cultural scenes, with a diverse population contributing to a wide array of cultural events, festivals and community activities. This diversity fosters creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. The Marietta population density is higher than average and comes in at 1,608 people per square mile (compared to the nationwide average of 91), putting it in a position to take advantage of all the benefits of a densely populated area.
Understanding Populations: By delving into and analyzing the Marietta demographic stats, we can uncover insightful details regarding the composition and attributes of populations, spanning age, gender, race, ethnicity, income, education and other socio-economic indicators. This comprehension is vital for addressing the diverse needs, preferences and hurdles faced by various demographic groups within communities. Demographics wield significant influence in understanding populations, shaping decision-making processes and championing equity, inclusion, and the overall welfare of all individuals and communities. The Marietta population and demographic data serves as a cornerstone for tackling social, economic and environmental challenges, while simultaneously nurturing the well-being and resilience of societies.
Urban Development: Marietta demographic statistics are invaluable for urban planners in designing and developing areas that cater to residents' needs, encompassing housing, transportation, and public services, all while fostering sustainability and enhancing quality of life. Shifts in demographics can influence gentrification and neighborhood transformation, whether in urban or rural settings. As neighborhoods attract new residents with varying income levels and lifestyle preferences, property values may increase, potentially displacing long-term residents and altering the neighborhood's character. Analyzing population density, age distribution, household size, and income levels is crucial for guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Utilizing Marietta demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
Healthcare Planning: An analysis of Marietta demographics can inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. Understanding demographic trends allows healthcare providers and policymakers to allocate resources effectively, develop prevention and intervention programs and address health inequities within communities. Leveraging demographic data, healthcare providers, and policymakers strive to achieve equitable, accessible, and high-quality healthcare for all individuals and communities. This proactive healthcare planning approach ensures targeted interventions, efficient resource allocation and customized healthcare services to meet the diverse needs of populations.
| Race | Marietta | Ohio | National |
| White | 93.56% | 82.16% | 73.35% |
| Black | 2.21% | 12.27% | 12.63% |
| Asian | 1.25% | 1.94% | 5.22% |
| American Indian | 0.91% | 0.19% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 1.70% | 2.57% | 3.06% |
| Other race | 0.37% | 0.85% | 4.75% |
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