| Statistic | Decatur | Alabama | National |
| Population | 55,434 | 5,019,994 | 336,919,644 |
| Population density (sq mi) | 1,025 | 99 | 91 |
| Median age | 40.4 | 38.6 | 37.7 |
| Male/Female ratio | 1.0:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | 57% | 57% | 55% |
| Families w/ Kids under 18 | 38% | 40% | 43% |
| Speak English | 88% | 95% | 79% |
| Speak Spanish | 11% | 3% | 13% |
The demographics of Decatur 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 55,434, Decatur exhibits a population density of 1,025 people per square mile, contrasting with the national average of 91. The median age stands at 40.4, with 57% of individuals aged 15 or older being married and 38% having children under 18. In terms of income equality in Decatur, 26% of households report a median income below $25,000, while 14% report an income exceeding $150,000, showcasing a diverse economic landscape.
Recognizing the racial demographics and ethnicity breakdown of Decatur is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Decatur, the racial breakdown comprises 66.5% White, 22.3% Black or African American, 0.3% Asian, 0.2% American Indian, and 0% Native Hawaiian, with 13.9% of the population identifying as Hispanic or Latino. 87.8% of households reported speaking English only, while 10.7% reported speaking Spanish only. Furthermore, 6.7% of residents were categorized as foreign-born.
Areas like Decatur 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 Decatur population density is higher than average and comes in at 1,025 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.
Policy Planning: At various levels of government and within organizations and businesses, demographic data and statistics serve as essential tools for guiding policy and decision-making processes. Through the examination and interpretation of Decatur demographic stats and data, policymakers, government officials, and organizational leaders can pinpoint areas requiring attention, allocate resources judiciously and design policies and initiatives tailored to the specific needs and preferences of distinct demographic segments. The utilization of Decatur demographic data plays a pivotal role in policy formulation by informing resource allocation, facilitating evidence-based decision-making, identifying key priorities, predicting future trends, assessing policy effectiveness, and advancing principles of equity and inclusivity. Through effective utilization of this data, policymakers can craft policies that are targeted, efficient, and responsive to the diverse needs of communities.
Education Allocation: In education planning, Decatur demographic data can be invaluable for identifying student demographics, school enrollment trends and educational needs. This data aids schools and policymakers in resource allocation and the formulation of effective educational programs. It serves as a crucial tool for recognizing disparities in educational access and outcomes among different demographic groups, including 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. Overall, Decatur demographic data can be an essential tool in education for promoting equity, facilitating student success, and nurturing inclusive learning environments that cater to the needs of all students.
Healthcare Planning: The examination of Decatur 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.
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| Race | Decatur | Alabama | National |
| White | 66.47% | 68.68% | 73.35% |
| Black | 22.32% | 26.48% | 12.63% |
| Asian | 0.26% | 1.25% | 5.22% |
| American Indian | 0.19% | 0.49% | 0.82% |
| Native Hawaiian | 0.05% | 0.04% | 0.18% |
| Mixed race | 3.70% | 1.76% | 3.06% |
| Other race | 7.02% | 1.28% | 4.75% |
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