| Statistic | Ottawa | Illinois | National |
| Population | 18,742 | 12,671,821 | 328,239,523 |
| Population density (sq mi) | 1,279 | 228 | 91 |
| Median age | 39.5 | 37.4 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 54% | 55% | 55% |
| Families w/ Kids under 18 | 46% | 44% | 43% |
| Speak English | 92% | 77% | 79% |
| Speak Spanish | 5% | 13% | 13% |
The demographics of Ottawa offer invaluable insights into the composition, dynamics and needs of both urban and rural areas, empowering planners, developers and policymakers to foster prosperity, equity, and well-being for all residents. With a population of 18,742, Ottawa exhibits a population density of 1,279 people per square mile, contrasting with the national average of 91. The median age stands at 39.5, with 54% of individuals aged 15 or older being married and 46% having children under 18. In terms of income equality in Ottawa, 21% of households report a median income below $25,000, while 13% report an income exceeding $150,000, showcasing a diverse economic landscape.
Recognizing the racial demographics and ethnicity breakdown of Ottawa is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Ottawa, the racial breakdown comprises 90.7% White, 4.6% Black or African American, 0.5% Asian, 0.3% American Indian, and 0% Native Hawaiian, with 9.2% of the population identifying as Hispanic or Latino. 92.4% of households reported speaking English only, while 5.5% reported speaking Spanish only. Furthermore, 3.2% of residents were categorized as foreign-born.
Communities such as Ottawa, 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. Ottawa has a population density of 1,279, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.
Understanding Populations: By delving into and analyzing the Ottawa 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 Ottawa 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.
Policy Planning: Demographic data and statistics play a fundamental role in informing policy and decision-making processes across government entities, organizations and businesses. Through the analysis and interpretation of Ottawa demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of concern, allocate resources efficiently, and devise policies and initiatives tailored to the specific needs and preferences of distinct demographic groups. The utilization of demographics in Ottawa can be crucial in policy planning, facilitating evidence-based decision-making, identifying key priorities, forecasting future trends, monitoring policy outcomes and advancing principles of equity and inclusion. By harnessing this data effectively, policymakers can develop policies that are targeted, effective and inclusive, thus meeting the diverse needs of communities.
Urban Development: By leveraging demographic data in Ottawa, 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.
| Race | Ottawa | Illinois | National |
| White | 90.66% | 72.14% | 73.35% |
| Black | 4.59% | 14.30% | 12.63% |
| Asian | 0.52% | 5.10% | 5.22% |
| American Indian | 0.28% | 0.23% | 0.82% |
| Native Hawaiian | 0.02% | 0.03% | 0.18% |
| Mixed race | 2.52% | 2.34% | 3.06% |
| Other race | 1.41% | 5.86% | 4.75% |
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