Statistic Quincy Illinois National
Population 40,111 12,671,821 328,239,523
Population density (sq mi) 2,544 228 91
Median age 40.3 37.4 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 57% 55% 55%
Families w/ Kids under 18 39% 44% 43%
Speak English 97% 77% 79%
Speak Spanish 1% 13% 13%

Overview of Quincy Demographics

Quincy 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 Quincy population is 40,111 and has a population density of 2,544 people per square mile, compared to the national average of 91. The median age of all residents is 40.3, 57% of people 15 years of age or older are married and 39% have kids under the age of 18. In Quincy, 20% of households have a median income that is below $25,000 and 11% of households report a median income above $150,000.

Quincy Racial Demographics & Ethnicity

Recognizing the racial demographics and ethnicity breakdown of Quincy is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Quincy, the racial breakdown comprises 89% White, 6.5% Black or African American, 0.7% Asian, 0.2% American Indian, and 0% Native Hawaiian, with 2% of the population identifying as Hispanic or Latino. 97.2% of households reported speaking English only, while 1.2% reported speaking Spanish only. Furthermore, 1.4% of residents were categorized as foreign-born.

Quincy Population Density

In areas with high population density, residents enjoy a wealth of amenities and services conveniently located within walking distance or a short commute. Access to healthcare facilities, educational institutions, cultural venues, dining options, retail stores and public transit enhances residents' quality of life and overall well-being. Quincy has a population density of 2,544 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the country.

Why are Demographics Important?

Healthcare Planning: The examination of Quincy 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: Quincy demographic statistics are invaluable for urban planners in designing and developing areas that cater to residents' needs, encompassing housing, transportation, and public services, all while fostering sustainability and enhancing quality of life. Shifts in demographics can influence gentrification and neighborhood transformation, whether in urban or rural settings. As neighborhoods attract new residents with varying income levels and lifestyle preferences, property values may increase, potentially displacing long-term residents and altering the neighborhood's character. Analyzing population density, age distribution, household size, and income levels is crucial for guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Utilizing Quincy demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.

Education Allocation: Utilizing census data like Quincy 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, Quincy 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.

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Demographics Quick Facts

  • The population density in Quincy is 1016% higher than Illinois
  • The median age in Quincy is 8% higher than Illinois
  • In Quincy 88.97% of the population is White
  • In Quincy 6.50% of the population is Black
  • In Quincy 0.72% of the population is Asian

Compare Quincy, IL Demographics

      vs

      Quincy racial demographics

      Race Quincy Illinois National
      White 88.97% 72.14% 73.35%
      Black 6.50% 14.30% 12.63%
      Asian 0.72% 5.10% 5.22%
      American Indian 0.17% 0.23% 0.82%
      Native Hawaiian 0.01% 0.03% 0.18%
      Mixed race 3.17% 2.34% 3.06%
      Other race 0.47% 5.86% 4.75%
      In Quincy, 2.0% 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

      Quincy age breakdown

      Marital status

      Age of children in married couples

      Source: The Quincy, IL demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).