Statistic Darien Illinois National
Population 22,419 13,081,969 336,919,644
Population density (sq mi) 3,619 236 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%
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Overview of Darien Demographics

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 22,419 and has a population density of 3,619 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.

Darien Racial Demographics & Ethnicity

The Darien 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 Darien, the racial breakdown reveals 77% White, 3.9% Black or African American, 13.1% Asian, 0% American Indian and 0% Native Hawaiian, with 7.2% of the population identifying as Hispanic or Latino. Of all households, 74.2% reported speaking English only, while 3.9% reported speaking Spanish only. Moreover, 19.3% of residents were classified as foreign-born.

Darien Population Density

The Darien population density comes in at 3,619 people per square mile, which makes it one of the most densely populated areas in the country, far surpassing the national average of 91. Areas characterized by high population density often boast an abundance of amenities and services within close proximity, providing residents with convenient access to healthcare, education, cultural attractions, dining establishments, retail outlets and transportation options. This accessibility could potentially enhance residents' overall quality of life and well-being.

Why are Demographics Important?

Policy Planning: Demographic data and statistics play a fundamental role in informing policy and decision-making processes across government entities, organizations and businesses. Through the analysis and interpretation of Darien demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of concern, allocate resources efficiently, and devise policies and initiatives tailored to the specific needs and preferences of distinct demographic groups. The utilization of demographics in Darien can be crucial in policy planning, facilitating evidence-based decision-making, identifying key priorities, forecasting future trends, monitoring policy outcomes and advancing principles of equity and inclusion. By harnessing this data effectively, policymakers can develop policies that are targeted, effective and inclusive, thus meeting the diverse needs of communities.

Understanding Populations: By reporting and analyzing Darien 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 Darien population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and strength of communities.

Education Allocation: Utilizing census data like Darien demographics can be useful in guiding education planning, as it helps identify student demographics, school enrollment trends and educational needs. This data assists schools and policymakers in allocating resources and devising effective educational programs. It serves as a vital tool for recognizing disparities in educational access and outcomes among various 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 enhance access, support and outcomes for marginalized students. In essence, Darien demographic statistics can play an indispensable role in education by promoting equity, bolstering student success and cultivating inclusive learning environments tailored to meet the needs of all students.

Demographics Quick Facts

  • The population density in Darien is 1436% higher than Illinois
  • The median age in Darien is 20% higher than Illinois
  • In Darien 76.99% of the population is White
  • In Darien 3.92% of the population is Black
  • In Darien 13.14% of the population is Asian

Compare Darien, IL Demographics

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      Darien racial demographics

      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%
      In Darien, 7.2% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Darien age breakdown

      Marital status

      Age of children in married couples

      Source: The Darien, IL demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and include 2026 modeled data developed using proprietary methodologies.