Statistic Ontario Ohio National
Population 6,274 12,145,682 336,919,644
Population density (sq mi) 567 297 91
Median age 48.4 39.3 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 70% 56% 55%
Families w/ Kids under 18 32% 42% 43%
Speak English 96% 93% 79%
Speak Spanish 0% 2% 13%
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Overview of Ontario Demographics

Ontario 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 Ontario population is 6,274 and has a population density of 567 people per square mile, compared to the national average of 91. The median age of all residents is 48.4, 70% of people 15 years of age or older are married and 32% have kids under the age of 18. In Ontario, 16% of households have a median income that is below $25,000 and 12% of households report a median income above $150,000.

Ontario Racial Demographics & Ethnicity

Recognizing the racial demographics and ethnicity breakdown of Ontario is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Ontario, the racial breakdown comprises 93.6% White, 2.3% Black or African American, 3% Asian, 0% American Indian, and 0% Native Hawaiian, with 0.5% of the population identifying as Hispanic or Latino. 95.5% of households reported speaking English only, while 0% reported speaking Spanish only. Furthermore, 4.2% of residents were categorized as foreign-born.

Ontario Population Density

Areas like Ontario, characterized by below-average population density, offer a quieter lifestyle, closer connection to nature, strong community ties, improved affordability and enhanced safety, appealing to individuals seeking a break from urban life. These regions often boast a more affordable cost of living, with housing prices typically more accessible and residents may benefit from lower taxes, living expenses and insurance rates. Low population density areas also tend to have lower crime rates compared to densely populated urban areas, contributing to a greater sense of security for residents and their families. The Ontario population density is 567 people per square mile, which ranks lower than 50% of cities nationwide, presenting ample opportunity to enjoy these advantages.

Why are Demographics Important?

Understanding Populations: By delving into and analyzing the Ontario 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 Ontario 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.

Healthcare Planning: The examination of Ontario 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: By leveraging demographic data in Ontario, urban planners can tailor areas to meet the needs of any resident across housing, transportation and public services, all while fostering sustainability and elevating quality of life. Demographic changes can fuel gentrification and neighborhood transformation, whether in urban or rural settings. As neighborhoods attract newcomers with varying income levels and lifestyle preferences, property values may appreciate, potentially displacing established residents and reshaping the neighborhood's fabric. A nuanced understanding of population density, age distribution, household size and income levels is pivotal for guiding decisions on zoning, transportation infrastructure, housing development and public amenities. Utilizing the demographic data in planning and implementing affordable housing initiatives can help mitigate displacement risks and promote inclusive communities.

Demographics Quick Facts

  • The population density in Ontario is 91% higher than Ohio
  • The median age in Ontario is 23% higher than Ohio
  • In Ontario 93.55% of the population is White
  • In Ontario 2.35% of the population is Black
  • In Ontario 3.00% of the population is Asian

Compare Ontario, OH Demographics

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      Ontario racial demographics

      Race Ontario Ohio National
      White 93.55% 82.16% 73.35%
      Black 2.35% 12.27% 12.63%
      Asian 3.00% 1.94% 5.22%
      American Indian 0.00% 0.19% 0.82%
      Native Hawaiian 0.00% 0.03% 0.18%
      Mixed race 1.10% 2.57% 3.06%
      Other race 0.00% 0.85% 4.75%
      In Ontario, 0.5% 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

      Ontario age breakdown

      Marital status

      Age of children in married couples

      Source: The Ontario, OH 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.