| Statistic | Oak Grove | Tennessee | National |
| Population | 4,499 | 7,032,421 | 336,919,644 |
| Population density (sq mi) | 1,003 | 171 | 91 |
| Median age | 46.0 | 38.5 | 37.7 |
| Male/Female ratio | 0.8:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 66% | 57% | 55% |
| Families w/ Kids under 18 | 40% | 41% | 43% |
| Speak English | 96% | 93% | 79% |
| Speak Spanish | 3% | 4% | 13% |

Understanding the demographics of Oak Grove is essential for gaining insights into the composition, dynamics and needs of any city, town or village. This knowledge empowers planners, developers and policymakers to strategize effectively, promoting prosperity, equity and well-being for all residents. The Oak Grove population is 4,499, with a population density of 1,003 people per square mile, diverging from the national average of 91. The median age is 46, and 66% of individuals aged 15 or older are married, while 40% have children under 18. As far as income equality in Oak Grove, 30% of households have a median income below $25,000, whereas 13% report an income exceeding $150,000, indicating a varied economic landscape within the area.
Understanding the Oak Grove racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Oak Grove, the racial breakdown indicates 95.3% White, 1.2% Black or African American, 0% Asian, 1.4% American Indian and 0% Native Hawaiian, with 0.6% of the population identifying as Hispanic or Latino. Notably, 96.4% of households reported speaking English only, while 3.2% reported speaking Spanish only. Additionally, 0.7% of residents were categorized as foreign-born.
Oak Grove has a population density that is well above-average, which plays a pivotal role in promoting environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Its compact urban development encourages energy-efficient buildings, active transportation modes like walking and cycling and the utilization of public transit, fostering sustainable lifestyles and mitigating environmental impact. Additionally, the area's dense population contributes to a vibrant social and cultural scene, featuring a diverse array of cultural events, festivals and community activities. This cultural diversity fuels creativity, innovation and cross-cultural exchange, enhancing the community's social fabric. Oak Grove has a population density of 1,003 people per square mile, exceeding the national average of 91 and positions itself in a good spot to reap the benefits of densely populated areas.
Policy Planning: Demographic data and statistics serve as valuable tools for guiding policy and decision-making processes across government entities, organizations, and businesses. Through the analysis and interpretation of Oak Grove demographics, policymakers, government officials and organizational leaders can identify areas requiring attention, allocate resources strategically and develop policies and initiatives that cater to the unique needs and preferences of various demographic groups. Oak Grove demographic statistics can play a critical role in policy planning by informing resource allocation, enabling evidence-based decision-making, identifying priority areas, forecasting future trends, monitoring policy outcomes and fostering equity and inclusivity. By harnessing this data effectively, policymakers can craft policies that are targeted, efficient and equitable, thereby addressing the diverse needs of communities.
Social Cohesion: The examination and interpretation of demographics are pivotal for nurturing social cohesion and promoting understanding among diverse communities. By acknowledging and honoring differences in Oak Grove demographics, societies can champion inclusivity, diversity and social cohesion while addressing social disparities and advocating for equitable opportunities. Racial demographics can potentially showcase the diversity of a population and are crucial for fostering inclusive and embracing communities. Embracing diversity fortifies social bonds, fosters cultural appreciation and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.
Healthcare Planning: Analyzing the demographic data in Oak Grove has the potential to inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. Healthcare providers and policymakers can allocate resources more effectively, develop prevention and intervention programs and address health inequities within communities by understanding demographic trends. Leveraging demographic statistics can enable healthcare providers and policymakers to strive for 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 diverse population needs.
| Race | Oak Grove | Tennessee | National |
| White | 95.34% | 77.84% | 73.35% |
| Black | 1.22% | 16.81% | 12.63% |
| Asian | 0.00% | 1.61% | 5.22% |
| American Indian | 1.42% | 0.29% | 0.82% |
| Native Hawaiian | 0.00% | 0.05% | 0.18% |
| Mixed race | 2.02% | 2.03% | 3.06% |
| Other race | 0.00% | 1.38% | 4.75% |