Statistic Cahokia Illinois National
Population 14,366 13,081,969 336,919,644
Population density (sq mi) 1,472 236 91
Median age 32.4 37.4 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 39% 55% 55%
Families w/ Kids under 18 50% 44% 43%
Speak English 98% 77% 79%
Speak Spanish 2% 13% 13%
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Overview of Cahokia Demographics

Cahokia 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 Cahokia population is 14,366 and has a population density of 1,472 people per square mile, compared to the national average of 91. The median age of all residents is 32.4, 39% of people 15 years of age or older are married and 50% have kids under the age of 18. In Cahokia, 34% of households have a median income that is below $25,000 and 4% of households report a median income above $150,000.

Cahokia Racial Demographics & Ethnicity

Recognizing the racial demographics and ethnicity breakdown of Cahokia is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Cahokia, the racial breakdown comprises 31.5% White, 65.3% Black or African American, 0.9% Asian, 0.5% American Indian, and 0% Native Hawaiian, with 1.5% of the population identifying as Hispanic or Latino. 97.6% of households reported speaking English only, while 1.8% reported speaking Spanish only. Furthermore, 0.4% of residents were categorized as foreign-born.

Cahokia Population Density

Cahokia, characterized by above-average population density, plays a pivotal role in promoting environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Its compact urban development encourages energy-efficient buildings, active transportation modes like walking and cycling and the utilization of public transit, fostering sustainable lifestyles and mitigating environmental impact. Additionally, the area's dense population contributes to a vibrant social and cultural scene, featuring a diverse array of cultural events, festivals and community activities. This cultural diversity fuels creativity, innovation, and cross-cultural exchange, enhancing the community's social fabric. The Cahokia population density stands at 1,472, exceeding the national average, at 91 people per square mile, positioning it in a nice position to reap the benefits of densely populated areas.

Why are Demographics Important?

Urban Development: Utilizing Cahokia demographic statistics and data, urban planners can craft and develop areas that cater to local residents, encompassing housing, transportation and public services, all while emphasizing sustainability and enriching quality of life. Demographic transitions can contribute to gentrification and neighborhood evolution, whether in urban or rural environments. As neighborhoods draw in new residents with varying income levels and lifestyle preferences, property values may appreciate, potentially displacing longtime inhabitants and reshaping the neighborhood's fabric. Comprehensive insights into population density, age distribution, household size, and income levels are instrumental in guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Harnessing Cahokia demographic stats for planning and executing affordable housing initiatives can serve as a preventive measure against displacement.

Healthcare Planning: An analysis of Cahokia demographics can inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. Understanding demographic trends allows healthcare providers and policymakers to allocate resources effectively, develop prevention and intervention programs and address health inequities within communities. Leveraging demographic data, healthcare providers, and policymakers strive 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 customized healthcare services to meet the diverse needs of populations.

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 Cahokia 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 Cahokia 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.

Demographics Quick Facts

  • The population density in Cahokia is 525% higher than Illinois
  • The median age in Cahokia is 13% lower than Illinois
  • In Cahokia 31.46% of the population is White
  • In Cahokia 65.25% of the population is Black
  • In Cahokia 0.88% of the population is Asian

Compare Cahokia, IL Demographics

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      Cahokia racial demographics

      Race Cahokia Illinois National
      White 31.46% 72.14% 73.35%
      Black 65.25% 14.30% 12.63%
      Asian 0.88% 5.10% 5.22%
      American Indian 0.50% 0.23% 0.82%
      Native Hawaiian 0.00% 0.03% 0.18%
      Mixed race 1.42% 2.34% 3.06%
      Other race 0.48% 5.86% 4.75%
      In Cahokia, 1.5% 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

      Cahokia age breakdown

      Marital status

      Age of children in married couples

      Source: The Cahokia, 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.