| Statistic | Harrison | Ohio | National |
| Population | 13,180 | 12,145,682 | 336,919,644 |
| Population density (sq mi) | 2,533 | 297 | 91 |
| Median age | 35.9 | 39.3 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 66% | 56% | 55% |
| Families w/ Kids under 18 | 46% | 42% | 43% |
| Speak English | 97% | 93% | 79% |
| Speak Spanish | 1% | 2% | 13% |

The demographics of Harrison 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 13,180, Harrison exhibits a population density of 2,533 people per square mile, contrasting with the national average of 91. The median age stands at 35.9, with 66% of individuals aged 15 or older being married and 46% having children under 18. In terms of income equality in Harrison, 13% of households report a median income below $25,000, while 23% report an income exceeding $150,000, showcasing a diverse economic landscape.
The Harrison racial demographics and ethnicity breakdown serves as a critical tool for understanding and addressing systemic inequities, promoting social justice and inclusion and building stronger, more resilient communities. The racial breakdown in Harrison is 95.6% White, 1.1% Black or African American, 0% Asian, 0.1% American Indian and 0% Native Hawaiian - 2.6% of the population identify as Hispanic or Latino. Of all households, 97% reported speaking English only, while 0.5% reported speaking Spanish only. A total of 1.8% of residents were considered foreign born.
High population density areas typically offer a diverse array of amenities and services within walking distance or a short commute, enriching residents' quality of life and well-being. Accessible healthcare facilities, educational institutions, cultural venues, restaurants, shopping and public transportation options contribute to the convenience and vibrancy of these communities. The population density of of Harrison is 2,533 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the nation.
Social Cohesion: The analysis and understanding of demographics are essential for promoting social cohesion and fostering appreciation among diverse communities. By embracing and acknowledging differences in Harrison demographics, societies can promote inclusivity, diversity and social harmony while addressing social inequalities and advocating for equal opportunities. Racial demographics can reflect the diversity within a population and are instrumental in fostering inclusive and welcoming communities. Embracing ethnic diversity strengthens social connections, promotes cultural understanding and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.
Healthcare Planning: The examination of Harrison 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: Harrison 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 Harrison demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
| Race | Harrison | Ohio | National |
| White | 95.64% | 82.16% | 73.35% |
| Black | 1.12% | 12.27% | 12.63% |
| Asian | 0.00% | 1.94% | 5.22% |
| American Indian | 0.05% | 0.19% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 2.65% | 2.57% | 3.06% |
| Other race | 0.54% | 0.85% | 4.75% |