Statistic Oswego Illinois National
Population 36,709 13,081,969 336,919,644
Population density (sq mi) 2,464 236 91
Median age 37.0 37.4 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 63% 55% 55%
Families w/ Kids under 18 54% 44% 43%
Speak English 77% 77% 79%
Speak Spanish 15% 13% 13%
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Overview of Oswego Demographics

The population of Oswego is 36,709, with a population density of 2,464 people per square mile, diverging from the national average of 91. The median age is 37 and 63% of individuals aged 15 or older are married, while 54% have children under 18. As far as income equality in Oswego goes, 5% of households have a median income below $25,000, whereas 37% report an income exceeding $150,000. The Oswego 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.

Oswego Racial Demographics & Ethnicity

The 5 largest ethnic groups in Oswego are 78.7% White, 7.2% Black or African American, 3.5% Asian, 0.2% American Indian and 0% Native Hawaiian, with 20.8% of the population identifying as Hispanic or Latino. Of note, 77.1% of households reported speaking English only, while 15.2% reported speaking Spanish only. Additionally, 13.1% of residents were classified as foreign-born. The Oswego racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.

Oswego Population Density

Areas with a high population density tend to support a wide range of amenities and services within walking distance or a short commute. Residents tend to have convenient access to healthcare facilities, educational institutions, cultural venues, restaurants, shops and public transportation options, enhancing their quality of life and overall well-being. The Oswego population density is 2,464 people per square mile, which is well-above the national average of 91 and is considered one of the most densely populated cities in the country.

Is Oswego Family Friendly?

A family-friendly city like Oswego prioritizes the well-being and requirements of families, creating an atmosphere conducive to the flourishing of children, the support of parents and the collective enjoyment of a superior quality of life. These cities are characterized by their fostering of strong community bonds, where neighbors actively support and watch out for one another. Additionally, they often offer outstanding educational opportunities, including top-tier schools, well-stocked libraries and diverse extracurricular activities. Access to quality education is indispensable for the holistic development and future achievements of children. By giving precedence to the welfare of its inhabitants, such cities transform into vibrant and resilient communities where families can truly thrive. In Oswego, 54% of families have children under the age of 18, and 63% of residents aged over 15 are married. These demographic characteristics position this area to fully reap the benefits of being a family-friendly area.

Why are Demographics Important?

Social Cohesion: Reporting and analyzing demographics can play a crucial role in fostering social cohesion and understanding among diverse communities. By recognizing and appreciating differences in Oswego demographics, societies can promote inclusivity, diversity and social harmony, while addressing social disparities and promoting equal opportunities for all individuals. Racial demographics reflect the diversity of a population and contribute to fostering inclusive and welcoming communities. Embracing diversity strengthens social cohesion, promotes cultural understanding and enriches the fabric of society by celebrating the contributions of individuals from different racial and ethnic backgrounds.

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

Understanding Populations: By delving into and analyzing the Oswego demographic stats, we can uncover insightful details regarding the composition and attributes of populations, spanning age, gender, race, ethnicity, income, education and other socio-economic indicators. This comprehension is vital for addressing the diverse needs, preferences and hurdles faced by various demographic groups within communities. Demographics wield significant influence in understanding populations, shaping decision-making processes and championing equity, inclusion, and the overall welfare of all individuals and communities. The Oswego population and demographic data serves as a cornerstone for tackling social, economic and environmental challenges, while simultaneously nurturing the well-being and resilience of societies.

Demographics Quick Facts

  • The population density in Oswego is 946% higher than Illinois
  • The median age in Oswego is 1% lower than Illinois
  • In Oswego 78.68% of the population is White
  • In Oswego 7.23% of the population is Black
  • In Oswego 3.47% of the population is Asian

Compare Oswego, IL Demographics

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      Oswego racial demographics

      Race Oswego Illinois National
      White 78.68% 72.14% 73.35%
      Black 7.23% 14.30% 12.63%
      Asian 3.47% 5.10% 5.22%
      American Indian 0.15% 0.23% 0.82%
      Native Hawaiian 0.00% 0.03% 0.18%
      Mixed race 6.62% 2.34% 3.06%
      Other race 3.85% 5.86% 4.75%
      In Oswego, 20.8% 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

      Oswego age breakdown

      Marital status

      Age of children in married couples

      Source: The Oswego, 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.