| Statistic | Gretna | Louisiana | National |
| Population | 17,746 | 4,648,794 | 328,239,523 |
| Population density (sq mi) | 4,397 | 108 | 91 |
| Median age | 41.4 | 36.2 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 41% | 52% | 55% |
| Families w/ Kids under 18 | 48% | 43% | 43% |
| Speak English | 80% | 92% | 79% |
| Speak Spanish | 16% | 4% | 13% |
Understanding the demographics of Gretna is essential for gaining insights into the composition, dynamics and needs of any city, town or village. This knowledge empowers planners, developers and policymakers to strategize effectively, promoting prosperity, equity and well-being for all residents. The Gretna population is 17,746, with a population density of 4,397 people per square mile, diverging from the national average of 91. The median age is 41.4, and 41% of individuals aged 15 or older are married, while 48% have children under 18. As far as income equality in Gretna, 48% of households have a median income below $25,000, whereas 9% report an income exceeding $150,000, indicating a varied economic landscape within the area.
The Gretna 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 Gretna, the racial breakdown reveals 53.6% White, 30.2% Black or African American, 2.1% Asian, 0.3% American Indian and 0.1% Native Hawaiian, with 19.2% of the population identifying as Hispanic or Latino. Of all households, 79.8% reported speaking English only, while 16.3% reported speaking Spanish only. Moreover, 16.4% of residents were classified as foreign-born.
Areas with a high population density tend to support a wide range of amenities and services within walking distance or a short commute. Residents tend to have convenient access to healthcare facilities, educational institutions, cultural venues, restaurants, shops and public transportation options, enhancing their quality of life and overall well-being. The Gretna population density is 4,397 people per square mile, which is well-above the national average of 91 and is considered one of the most densely populated cities in the country.
Healthcare Planning: The examination of Gretna demographics can potentially inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. By comprehending demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs, and address health inequities within communities. Through the utilization of demographic statistics, healthcare providers and policymakers aim 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 tailored healthcare services to meet the diverse needs of populations.
Understanding Populations: By reporting and analyzing Gretna 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 Gretna population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and strength of communities.
Urban Development: Urban planners could use Gretna 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 Gretna demographics for planning and development of affordable housing can help prevent displacement.
| Race | Gretna | Louisiana | National |
| White | 53.59% | 62.62% | 73.35% |
| Black | 30.16% | 32.16% | 12.63% |
| Asian | 2.11% | 1.69% | 5.22% |
| American Indian | 0.31% | 0.57% | 0.82% |
| Native Hawaiian | 0.06% | 0.03% | 0.18% |
| Mixed race | 6.95% | 1.83% | 3.06% |
| Other race | 6.82% | 1.09% | 4.75% |
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