| Statistic | Decatur | Illinois | National |
| Population | 71,857 | 12,671,821 | 328,239,523 |
| Population density (sq mi) | 1,675 | 228 | 91 |
| Median age | 39.8 | 37.4 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 49% | 55% | 55% |
| Families w/ Kids under 18 | 38% | 44% | 43% |
| Speak English | 96% | 77% | 79% |
| Speak Spanish | 2% | 13% | 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 71,857 and has a population density of 1,675 people per square mile, compared to the national average of 91. The median age of all residents is 39.8, 49% of people 15 years of age or older are married and 38% have kids under the age of 18. In Decatur, 28% of households have a median income that is below $25,000 and 9% of households report a median income above $150,000.
The Decatur racial demographics and ethnicity breakdown serves as a critical tool for understanding and addressing systemic inequities, promoting social justice and inclusion and building stronger, more resilient communities. The racial breakdown in Decatur is 70.2% White, 22.6% Black or African American, 1.1% Asian, 0.2% American Indian and 0.1% Native Hawaiian - 2.7% of the population identify as Hispanic or Latino. Of all households, 96.3% reported speaking English only, while 1.9% reported speaking Spanish only. A total of 2.5% of residents were considered foreign born.
Decatur could serve as a prime example of how areas with higher-than-average population density can champion environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Embracing compact urban development, these densely populated areas promote energy-efficient buildings and encourages walking, cycling and public transit use, fostering sustainable lifestyles and minimizing environmental impact. Moreover, densely populated regions are renowned for their vibrant social and cultural scenes, driven by a diverse population that organizes an array of cultural events, festivals and community activities. This cultural diversity ignites creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. The Decatur population density is 1,675, surpassing the national average of 91 per square miles, positioning itself to capitalize on the advantages of dense urban living.
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.
Understanding Populations: By reporting and analyzing Decatur 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 Decatur population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and strength of communities.
Social Cohesion: The reporting and analysis of demographics are essential for fostering social cohesion and understanding among diverse communities. By acknowledging and valuing differences in Decatur demographics, societies can champion inclusivity, diversity and social harmony while tackling social disparities and advocating for equal opportunities. Racial demographics showcase the varied makeup of a population and play a vital role in nurturing inclusive and hospitable communities. Embracing diversity bolsters social cohesion, enhances cultural comprehension and enriches society by honoring the contributions of individuals from diverse racial and ethnic backgrounds.
| Race | Decatur | Illinois | National |
| White | 70.24% | 72.14% | 73.35% |
| Black | 22.55% | 14.30% | 12.63% |
| Asian | 1.05% | 5.10% | 5.22% |
| American Indian | 0.24% | 0.23% | 0.82% |
| Native Hawaiian | 0.08% | 0.03% | 0.18% |
| Mixed race | 5.40% | 2.34% | 3.06% |
| Other race | 0.43% | 5.86% | 4.75% |
Here are the best places to live in Illinois
Top 10 best public schools in Decatur
10 best cities to buy a new house in Illinois
Top 10 cities in Illinois with the best education system