Statistic Waterloo Illinois National
Population 10,417 12,671,821 328,239,523
Population density (sq mi) 1,279 228 91
Median age 41.1 37.4 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 64% 55% 55%
Families w/ Kids under 18 40% 44% 43%
Speak English 97% 77% 79%
Speak Spanish 1% 13% 13%

Overview of Waterloo Demographics

The population of Waterloo is 10,417, with a population density of 1,279 people per square mile, diverging from the national average of 91. The median age is 41.1 and 64% of individuals aged 15 or older are married, while 40% have children under 18. As far as income equality in Waterloo goes, 14% of households have a median income below $25,000, whereas 21% report an income exceeding $150,000. The Waterloo demographics data can provide indispensable insights into the composition, dynamics and needs of cities, towns or even villages, empowering planners, developers and policymakers to devise strategies that foster prosperity, equity and well-being for all residents.

Waterloo Racial Demographics & Ethnicity

Recognizing the racial demographics and ethnicity breakdown of Waterloo is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Waterloo, the racial breakdown comprises 96.9% White, 0.4% Black or African American, 1.6% Asian, 0.2% American Indian, and 0% Native Hawaiian, with 1.8% of the population identifying as Hispanic or Latino. 96.9% of households reported speaking English only, while 0.6% reported speaking Spanish only. Furthermore, 1.6% of residents were categorized as foreign-born.

Waterloo Population Density

Waterloo has a population density that is well above-average, which 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. Waterloo has a population density of 1,279 people per square mile, exceeding the national average of 91 and positions itself in a good spot to reap the benefits of densely populated areas.

Why are Demographics Important?

Healthcare Planning: Analyzing the demographic data in Waterloo has the potential to inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. Healthcare providers and policymakers can allocate resources more effectively, develop prevention and intervention programs and address health inequities within communities by understanding demographic trends. Leveraging demographic statistics can enable healthcare providers and policymakers to strive for 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 diverse population needs.

Social Cohesion: Analyzing demographics is vital for nurturing social cohesion and fostering understanding among diverse communities. By embracing and respecting variations in Waterloo demographics, societies can advance inclusivity, diversity and social unity while combatting social inequalities and advocating for equal opportunities. Racial demographics mirror the diversity within a population and can be instrumental in cultivating inclusive and inviting communities. Embracing diversity strengthens social bonds, fosters cultural appreciation and enriches society by acknowledging the contributions of individuals from various racial and ethnic backgrounds.

Urban Development: Waterloo 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 Waterloo demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.

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Demographics Quick Facts

  • The population density in Waterloo is 461% higher than Illinois
  • The median age in Waterloo is 10% higher than Illinois
  • In Waterloo 96.89% of the population is White
  • In Waterloo 0.39% of the population is Black
  • In Waterloo 1.56% of the population is Asian

Compare Waterloo, IL Demographics


      Waterloo racial demographics

      Race Waterloo Illinois National
      White 96.89% 72.14% 73.35%
      Black 0.39% 14.30% 12.63%
      Asian 1.56% 5.10% 5.22%
      American Indian 0.25% 0.23% 0.82%
      Native Hawaiian 0.00% 0.03% 0.18%
      Mixed race 0.45% 2.34% 3.06%
      Other race 0.45% 5.86% 4.75%
      In Waterloo, 1.8% 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

      Waterloo age breakdown

      Marital status

      Age of children in married couples

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