Statistic Assumption Illinois National
Population 1,199 13,081,969 336,919,644
Population density (sq mi) 1,363 236 91
Median age 37.2 37.4 37.7
Male/Female ratio 1.1:1 1.0:1 1.0:1
Married (15yrs & older) 50% 55% 55%
Families w/ Kids under 18 50% 44% 43%
Speak English 97% 77% 79%
Speak Spanish 2% 13% 13%
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Overview of Assumption Demographics

Understanding the demographics of Assumption is essential for gaining insights into the composition, dynamics and needs of any city, town or village. This knowledge empowers planners, developers and policymakers to strategize effectively, promoting prosperity, equity and well-being for all residents. The Assumption population is 1,199, with a population density of 1,363 people per square mile, diverging from the national average of 91. The median age is 37.2, and 50% of individuals aged 15 or older are married, while 50% have children under 18. As far as income equality in Assumption, 20% of households have a median income below $25,000, whereas 3% report an income exceeding $150,000, indicating a varied economic landscape within the area.

Assumption Racial Demographics & Ethnicity

The Assumption 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 Assumption is 96.7% White, 0.2% Black or African American, 0% Asian, 0.1% American Indian and 0.1% Native Hawaiian - 1.7% of the population identify as Hispanic or Latino. Of all households, 96.7% reported speaking English only, while 1.5% reported speaking Spanish only. A total of 0.5% of residents were considered foreign born.

Assumption Population Density

Communities such as Assumption, with population densities higher than the average, play a significant role in promoting environmental sustainability by decreasing per capita energy consumption, greenhouse gas emissions and land use. Their compact urban development encourages the adoption of energy-efficient buildings, walking, cycling, and public transportation, fostering sustainable lifestyles and minimizing environmental impact. Additionally, densely populated areas tend to cultivate vibrant social and cultural scenes, fueled by a diverse population that contributes to a myriad of cultural events, festivals and community activities. This cultural diversity sparks creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. Assumption has a population density of 1,363, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.

Why are Demographics Important?

Healthcare Planning: The examination of Assumption 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.

Urban Development: Utilizing Assumption 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 Assumption demographic stats for planning and executing affordable housing initiatives can serve as a preventive measure against displacement.

Education Allocation: Assumption demographic data can help guide education planning by identifying student demographics, school enrollment trends and educational needs, helping schools and policymakers allocate resources and develop effective educational programs. It can be an essential tool for identifying disparities in educational access and outcomes among different demographic groups, such as racial and ethnic minorities, socio-economic status, or students with disabilities. By disaggregating data by demographic factors, education planners can identify areas of inequity and develop targeted interventions to improve access, support and outcomes for marginalized students. Overall, Assumption demographic data is invaluable in education for promoting equity, supporting student success, and fostering inclusive learning environments that meet the needs of all students.

Demographics Quick Facts

  • The population density in Assumption is 478% higher than Illinois
  • The median age in Assumption is 1% lower than Illinois
  • In Assumption 96.70% of the population is White
  • In Assumption 0.17% of the population is Black
  • In Assumption 0.00% of the population is Asian

Compare Assumption, IL Demographics

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      Assumption racial demographics

      Race Assumption Illinois National
      White 96.70% 72.14% 73.35%
      Black 0.17% 14.30% 12.63%
      Asian 0.00% 5.10% 5.22%
      American Indian 0.09% 0.23% 0.82%
      Native Hawaiian 0.09% 0.03% 0.18%
      Mixed race 2.95% 2.34% 3.06%
      Other race 0.00% 5.86% 4.75%
      In Assumption, 1.7% 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

      Assumption age breakdown

      Marital status

      Age of children in married couples

      Source: The Assumption, 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.