| Statistic | Decatur | Tennessee | National |
| Population | 1,667 | 7,032,421 | 336,919,644 |
| Population density (sq mi) | 439 | 171 | 91 |
| Median age | 40.7 | 38.5 | 37.7 |
| Male/Female ratio | 0.8:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 54% | 57% | 55% |
| Families w/ Kids under 18 | 43% | 41% | 43% |
| Speak English | 100% | 93% | 79% |
| Speak Spanish | 0% | 4% | 13% |
Decatur 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 Decatur population is 1,667 and has a population density of 439 people per square mile, compared to the national average of 91. The median age of all residents is 40.7, 54% of people 15 years of age or older are married and 43% have kids under the age of 18. In Decatur, 29% of households have a median income that is below $25,000 and 5% of households report a median income above $150,000.
Understanding the Decatur racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Decatur, the racial breakdown indicates 98.1% White, 0.5% Black or African American, 0% Asian, 0.2% American Indian and 0% Native Hawaiian, with 0% of the population identifying as Hispanic or Latino. Notably, 100% of households reported speaking English only, while 0% reported speaking Spanish only. Additionally, 0.5% of residents were categorized as foreign-born.
Areas with lower than average population density like Decatur, could offer a more relaxed pace of life, closer connection to nature, extraordinary sense of community, greater affordability and tend to be safer, making them attractive options for those seeking a quieter, more peaceful lifestyle away from the hustle and bustle of urban living. These areas often have a lower cost of living, with housing prices that are typically more affordable and residents may also benefit from lower taxes, living expenses and insurance rates. Low population density areas also tend to have lower crime rates compared to densely populated urban areas. This can contribute to a greater sense of safety and security for residents and their families. The Decatur population density is 439 people per square mile, which is lower than 50% of the cities across the country, putting it in a position to take advantage of all these great benefits.
Healthcare Planning: Analyzing the demographic data in Decatur 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.
Education Allocation: Education planning benefits significantly from Decatur demographic information, which helps identify student demographics, school enrollment trends, and educational needs. This data assists schools and policymakers in allocating resources effectively and devising impactful educational programs. It serves as a vital tool for recognizing disparities in educational access and outcomes among diverse demographic groups, including racial and ethnic minorities, socio-economic status, and students with disabilities. By disaggregating data based on demographic factors, education planners can pinpoint areas of inequity and implement targeted interventions to improve access, support, and outcomes for marginalized students. Ultimately, Decatur demographic data is essential in education for advancing equity, fostering student success, and cultivating inclusive learning environments tailored to meet the needs of all students.
Urban Development: Urban planners can leverage demographics data in Decatur to design and develop areas that cater to residents' needs, spanning housing, transportation, and public services, while prioritizing sustainability and enhancing quality of life. Demographic changes can contribute to gentrification and neighborhood evolution, whether in urban or rural contexts. As neighborhoods attract new residents with diverse income levels and lifestyle preferences, property values may appreciate, potentially displacing longstanding residents and reshaping the neighborhood's identity. Understanding population density, age distribution, household size and income levels is essential for guiding decisions on zoning, transportation infrastructure, housing development and public amenities. Incorporating Decatur demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.
| Race | Decatur | Tennessee | National |
| White | 98.08% | 77.84% | 73.35% |
| Black | 0.50% | 16.81% | 12.63% |
| Asian | 0.00% | 1.61% | 5.22% |
| American Indian | 0.25% | 0.29% | 0.82% |
| Native Hawaiian | 0.00% | 0.05% | 0.18% |
| Mixed race | 1.18% | 2.03% | 3.06% |
| Other race | 0.00% | 1.38% | 4.75% |
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