| Statistic | Fairfax | Ohio | National |
| Population | 1,803 | 12,145,682 | 336,919,644 |
| Population density (sq mi) | 2,364 | 297 | 91 |
| Median age | 37.7 | 39.3 | 37.7 |
| Male/Female ratio | 0.8:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 56% | 56% | 55% |
| Families w/ Kids under 18 | 47% | 42% | 43% |
| Speak English | 97% | 93% | 79% |
| Speak Spanish | 1% | 2% | 13% |

The population in Fairfax is 1,803, while the population density is 2,364 people per square mile, contrasting with the national average of 91. The median age stands at 37.7, with 56% of individuals aged 15 or older being married and 47% having children under 18. In terms of household income equality in Fairfax, 12% of households report a median income below $25,000, while 12% report an income exceeding $150,000. The Fairfax 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.
Recognizing the racial demographics and ethnicity breakdown of Fairfax is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Fairfax, the racial breakdown comprises 93.6% White, 4.6% Black or African American, 0.1% Asian, 0.1% American Indian, and 0% Native Hawaiian, with 4% of the population identifying as Hispanic or Latino. 97.4% of households reported speaking English only, while 1.4% reported speaking Spanish only. Furthermore, 1.5% of residents were categorized as foreign-born.
High population density areas are renowned for their extensive array of amenities and services, easily accessible to residents within walking distance or a short commute. From healthcare facilities and educational institutions to cultural venues, dining establishments, retail shops and public transportation options, these communities offer convenience and enrichment to their inhabitants. The Fairfax population density is 2,364 people per square mile, well above the national average of 91, making it one of the most densely populated cities in the nation.
Urban Development: Urban planners can leverage demographics data in Fairfax to design and develop areas that cater to residents' needs, spanning housing, transportation, and public services, while prioritizing sustainability and enhancing quality of life. Demographic changes can contribute to gentrification and neighborhood evolution, whether in urban or rural contexts. As neighborhoods attract new residents with diverse income levels and lifestyle preferences, property values may appreciate, potentially displacing longstanding residents and reshaping the neighborhood's identity. Understanding population density, age distribution, household size and income levels is essential for guiding decisions on zoning, transportation infrastructure, housing development and public amenities. Incorporating Fairfax demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.
Healthcare Planning: The examination of Fairfax 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.
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 Fairfax 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.

Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.
| Race | Fairfax | Ohio | National |
| White | 93.60% | 82.16% | 73.35% |
| Black | 4.55% | 12.27% | 12.63% |
| Asian | 0.12% | 1.94% | 5.22% |
| American Indian | 0.06% | 0.19% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 1.67% | 2.57% | 3.06% |
| Other race | 0.00% | 0.85% | 4.75% |