| Statistic | Darien | Illinois | National |
| Population | 21,843 | 12,671,821 | 328,239,523 |
| Population density (sq mi) | 3,540 | 228 | 91 |
| Median age | 44.9 | 37.4 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 62% | 55% | 55% |
| Families w/ Kids under 18 | 34% | 44% | 43% |
| Speak English | 74% | 77% | 79% |
| Speak Spanish | 4% | 13% | 13% |
Darien 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 Darien population is 21,843 and has a population density of 3,540 people per square mile, compared to the national average of 91. The median age of all residents is 44.9, 62% of people 15 years of age or older are married and 34% have kids under the age of 18. In Darien, 11% of households have a median income that is below $25,000 and 36% of households report a median income above $150,000.
The Darien 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 Darien is 77% White, 3.9% Black or African American, 13.1% Asian, 0% American Indian and 0% Native Hawaiian - 7.2% of the population identify as Hispanic or Latino. Of all households, 74.2% reported speaking English only, while 3.9% reported speaking Spanish only. A total of 19.3% of residents were considered 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 Darien population density is 3,540 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.
Education Allocation: Darien demographics can play a pivotal role in guiding education planning, offering insights into student demographics, school enrollment patterns, and educational requirements. This data aids schools and policymakers in resource allocation and the development of effective educational programs. It serves as a critical tool for identifying disparities in educational access and outcomes among diverse demographic groups, such as 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. Ultimately, Darien demographic data is indispensable in education for advancing equity, fostering student achievement, and cultivating inclusive learning environments tailored to the needs of all students.
Understanding Populations: Analyzing and interpreting the Darien demographic data provides us with valuable insights into the characteristics and composition of populations, encompassing age, gender, race, ethnicity, income, education and other socio-economic variables. This understanding is crucial for addressing the diverse needs, preferences and challenges encountered by various demographic groups within communities. Demographics play a crucial role in understanding populations, informing decision-making processes, and advancing equity, inclusion, and overall well-being for all individuals and communities. The Darien population and demographic data serves as a foundation for addressing social, economic and environmental challenges, while also nurturing the well-being and resilience of societies.
Urban Development: Urban planners can leverage demographics data in Darien 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 Darien demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.
| Race | Darien | Illinois | National |
| White | 76.99% | 72.14% | 73.35% |
| Black | 3.92% | 14.30% | 12.63% |
| Asian | 13.14% | 5.10% | 5.22% |
| American Indian | 0.04% | 0.23% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 4.18% | 2.34% | 3.06% |
| Other race | 1.74% | 5.86% | 4.75% |
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