| Statistic | Denison | Texas | National |
| Population | 25,349 | 30,040,435 | 336,919,644 |
| Population density (sq mi) | 886 | 115 | 91 |
| Median age | 39.1 | 34.2 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 55% | 56% | 55% |
| Families w/ Kids under 18 | 43% | 48% | 43% |
| Speak English | 94% | 65% | 79% |
| Speak Spanish | 5% | 30% | 13% |

The population in Denison is 25,349, while the population density is 886 people per square mile, contrasting with the national average of 91. The median age stands at 39.1, with 55% of individuals aged 15 or older being married and 43% having children under 18. In terms of household income equality in Denison, 23% of households report a median income below $25,000, while 8% report an income exceeding $150,000. The Denison demographics data can provide invaluable insight into the composition, dynamics and needs of urban and rural areas, enabling planners, developers and policymakers to strategize effectively for the promotion of prosperity, equity and well-being for all residents in the area.
The Denison racial demographics and ethnicity breakdown could be indispensable tools for recognizing and rectifying systemic inequities, fostering social justice and inclusion and cultivating resilient communities. In Denison, the racial breakdown reveals 80.4% White, 8.4% Black or African American, 0.5% Asian, 1% American Indian and 0% Native Hawaiian, with 9.7% of the population identifying as Hispanic or Latino. Of all households, 94.3% reported speaking English only, while 5.1% reported speaking Spanish only. Moreover, 1.8% of residents were classified as foreign-born.
Denison could serve as a prime example of how areas with higher-than-average population density can champion environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Embracing compact urban development, these densely populated areas promote energy-efficient buildings and encourages walking, cycling and public transit use, fostering sustainable lifestyles and minimizing environmental impact. Moreover, densely populated regions are renowned for their vibrant social and cultural scenes, driven by a diverse population that organizes an array of cultural events, festivals and community activities. This cultural diversity ignites creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. The Denison population density is 886, surpassing the national average of 91 per square miles, positioning itself to capitalize on the advantages of dense urban living.
Social Cohesion: The reporting and analysis of demographics are essential for fostering social cohesion and understanding among diverse communities. By acknowledging and valuing differences in Denison demographics, societies can champion inclusivity, diversity and social harmony while tackling social disparities and advocating for equal opportunities. Racial demographics showcase the varied makeup of a population and play a vital role in nurturing inclusive and hospitable communities. Embracing diversity bolsters social cohesion, enhances cultural comprehension and enriches society by honoring the contributions of individuals from diverse racial and ethnic backgrounds.
Policy Planning: Demographic data and statistics serve as vital tools for informing policy and decision-making processes across various levels of government, as well as within organizations and businesses. Through the reporting and analysis of demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of need, allocate resources efficiently, and craft tailored policies and programs to address the unique needs and priorities of different demographic groups. The utilization of demographic data in Denison is instrumental in policy planning, facilitating resource allocation, evidence-based decision-making, priority identification, trend forecasting, policy impact assessment, and the promotion of equity and inclusion. By harnessing this data effectively, policymakers can devise targeted, impactful, and inclusive policies that cater to the diverse needs of communities.
Healthcare Planning: The examination of Denison 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.

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| Race | Denison | Texas | National |
| White | 80.42% | 74.84% | 73.35% |
| Black | 8.44% | 11.95% | 12.63% |
| Asian | 0.49% | 4.36% | 5.22% |
| American Indian | 1.05% | 0.48% | 0.82% |
| Native Hawaiian | 0.00% | 0.08% | 0.18% |
| Mixed race | 8.51% | 2.50% | 3.06% |
| Other race | 1.09% | 5.79% | 4.75% |