| Statistic | Charlestown | Indiana | National |
| Population | 8,576 | 6,996,062 | 336,919,644 |
| Population density (sq mi) | 749 | 195 | 91 |
| Median age | 37.4 | 37.4 | 37.7 |
| Male/Female ratio | 0.8:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 52% | 56% | 55% |
| Families w/ Kids under 18 | 48% | 43% | 43% |
| Speak English | 96% | 92% | 79% |
| Speak Spanish | 3% | 5% | 13% |

The demographics of Charlestown 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 8,576, Charlestown exhibits a population density of 749 people per square mile, contrasting with the national average of 91. The median age stands at 37.4, with 52% of individuals aged 15 or older being married and 48% having children under 18. In terms of income equality in Charlestown, 30% of households report a median income below $25,000, while 12% report an income exceeding $150,000, showcasing a diverse economic landscape.
The Charlestown 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 Charlestown, the racial breakdown reveals 89.1% White, 1.8% Black or African American, 0.5% Asian, 1% American Indian and 0% Native Hawaiian, with 4.2% of the population identifying as Hispanic or Latino. Of all households, 95.7% reported speaking English only, while 3.2% reported speaking Spanish only. Moreover, 2.2% of residents were classified as foreign-born.
Areas with lower than average population density like Charlestown, could offer a more relaxed pace of life, closer connection to nature, extraordinary sense of community, greater affordability and tend to be safer, making them attractive options for those seeking a quieter, more peaceful lifestyle away from the hustle and bustle of urban living. These areas often have a lower cost of living, with housing prices that are typically more affordable and residents may also benefit from lower taxes, living expenses and insurance rates. Low population density areas also tend to have lower crime rates compared to densely populated urban areas. This can contribute to a greater sense of safety and security for residents and their families. The Charlestown population density is 749 people per square mile, which is lower than 50% of the cities across the country, putting it in a position to take advantage of all these great benefits.
Urban Development: Urban planners could use Charlestown demographic data to design and create areas that accommodate the needs of residents, including housing, transportation and public services, while promoting sustainability and quality of life. Demographic shifts can contribute to gentrification and neighborhood change in urban or rural areas. As neighborhoods attract new residents with different income levels and lifestyle preferences, property values may rise, leading to displacement of long-time residents and changes in the character and identity of the neighborhood. Understanding population density, age distribution, household size and income levels helps inform decisions related to zoning, transportation infrastructure, housing development and public amenities. Lastly, using Charlestown demographics for planning and development of affordable housing can help prevent displacement.
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 Charlestown 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: Analyzing the demographic data in Charlestown 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 | Charlestown | Indiana | National |
| White | 89.14% | 83.99% | 73.35% |
| Black | 1.80% | 9.23% | 12.63% |
| Asian | 0.54% | 1.98% | 5.22% |
| American Indian | 1.00% | 0.24% | 0.82% |
| Native Hawaiian | 0.00% | 0.04% | 0.18% |
| Mixed race | 6.21% | 2.22% | 3.06% |
| Other race | 1.30% | 2.30% | 4.75% |