| Statistic | Carthage | Tennessee | National |
| Population | 2,623 | 7,032,421 | 336,919,644 |
| Population density (sq mi) | 904 | 171 | 91 |
| Median age | 40.1 | 38.5 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 51% | 57% | 55% |
| Families w/ Kids under 18 | 43% | 41% | 43% |
| Speak English | 97% | 93% | 79% |
| Speak Spanish | 1% | 4% | 13% |

The demographics of Carthage 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 2,623, Carthage exhibits a population density of 904 people per square mile, contrasting with the national average of 91. The median age stands at 40.1, with 51% of individuals aged 15 or older being married and 43% having children under 18. In terms of income equality in Carthage, 33% of households report a median income below $25,000, while 7% report an income exceeding $150,000, showcasing a diverse economic landscape.
The Carthage 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 Carthage, the racial breakdown reveals 90.7% White, 6.4% Black or African American, 0% Asian, 1.4% American Indian and 0% Native Hawaiian, with 1.2% of the population identifying as Hispanic or Latino. Of all households, 97.2% reported speaking English only, while 1% reported speaking Spanish only. Moreover, 1.7% of residents were classified as foreign-born.
Areas like Carthage that have a higher than average population density tend to support environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Compact urban development encourages energy-efficient buildings, walking, cycling and the use of public transit, promoting sustainable lifestyles and reducing environmental impact. Densely populated areas also tend to have more vibrant social and cultural scenes, with a diverse population contributing to a wide array of cultural events, festivals and community activities. This diversity fosters creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. The Carthage population density is higher than average and comes in at 904 people per square mile (compared to the nationwide average of 91), putting it in a position to take advantage of all the benefits of a densely populated area.
Understanding Populations: The examination and analysis of Carthage demographic data can offer valuable insights into the composition and traits of populations, including age, gender, race, ethnicity, income, education and various socio-economic factors. This understanding is essential for addressing the varied needs, preferences, and challenges faced by different demographic groups within communities. Demographics hold significant importance in understanding populations, guiding decision-making processes and promoting equity, inclusion, and overall well-being for all individuals and communities. The Carthage population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and resilience of societies.
Social Cohesion: Analyzing demographics is vital for nurturing social cohesion and fostering understanding among diverse communities. By embracing and respecting variations in Carthage demographics, societies can advance inclusivity, diversity and social unity while combatting social inequalities and advocating for equal opportunities. Racial demographics mirror the diversity within a population and can be instrumental in cultivating inclusive and inviting communities. Embracing diversity strengthens social bonds, fosters cultural appreciation and enriches society by acknowledging the contributions of individuals from various racial and ethnic backgrounds.
Policy Planning: Demographic data and statistics can inform policy and decision-making processes at various levels of government, as well as in organizations and businesses. By reporting and analyzing Carthage demographics data, policymakers, government officials and organizational leaders can identify areas of need, allocate resources effectively and develop targeted policies and programs that address the specific needs and priorities of different demographic groups. Carthage demographics can play a crucial role in policy planning by informing resource allocation, evidence-based decision making, identifying priorities, forecasting future trends, monitoring policy impact and promoting equity and inclusion. By leveraging this data effectively, policymakers can develop policies that are targeted, effective and responsive to the needs of diverse communities.
| Race | Carthage | Tennessee | National |
| White | 90.72% | 77.84% | 73.35% |
| Black | 6.40% | 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 | 1.03% | 2.03% | 3.06% |
| Other race | 0.43% | 1.38% | 4.75% |