| Statistic | Cayce | South Carolina | National |
| Population | 14,389 | 5,275,357 | 336,919,644 |
| Population density (sq mi) | 857 | 175 | 91 |
| Median age | 35.5 | 38.8 | 37.7 |
| Male/Female ratio | 1.1:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | 42% | 56% | 55% |
| Families w/ Kids under 18 | 38% | 40% | 43% |
| Speak English | 93% | 93% | 79% |
| Speak Spanish | 2% | 4% | 13% |

Understanding the demographics of Cayce 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 Cayce population is 14,389, with a population density of 857 people per square mile, diverging from the national average of 91. The median age is 35.5, and 42% of individuals aged 15 or older are married, while 38% have children under 18. As far as income equality in Cayce, 28% of households have a median income below $25,000, whereas 11% report an income exceeding $150,000, indicating a varied economic landscape within the area.
The Cayce 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 Cayce, the racial breakdown reveals 68.7% White, 22.9% Black or African American, 4.9% Asian, 0.2% American Indian and 0% Native Hawaiian, with 2.9% of the population identifying as Hispanic or Latino. Of all households, 93.3% reported speaking English only, while 1.7% reported speaking Spanish only. Moreover, 5.1% of residents were classified as foreign-born.
Cayce could serve as a prime example of how areas with higher-than-average population density can champion environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Embracing compact urban development, these densely populated areas promote energy-efficient buildings and encourages walking, cycling and public transit use, fostering sustainable lifestyles and minimizing environmental impact. Moreover, densely populated regions are renowned for their vibrant social and cultural scenes, driven by a diverse population that organizes an array of cultural events, festivals and community activities. This cultural diversity ignites creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. The Cayce population density is 857, surpassing the national average of 91 per square miles, positioning itself to capitalize on the advantages of dense urban living.
Urban Development: Urban planners can leverage demographics data in Cayce 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 Cayce demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.
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 Cayce 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: By analyzing the Cayce demographic data, it can potentially inform healthcare planning and delivery by identifying population health needs, disparities, and risk factors. Understanding demographic trends helps healthcare providers and policymakers allocate resources, develop prevention and intervention programs, and address health inequities within communities. By leveraging demographic data, healthcare providers and policymakers can work towards achieving equitable, accessible, and high-quality healthcare for all individuals and communities. This proactive approach to healthcare planning ensures that interventions are targeted, resources are allocated efficiently, and healthcare services are tailored to meet the diverse needs of populations.
| Race | Cayce | South Carolina | National |
| White | 68.68% | 67.27% | 73.35% |
| Black | 22.92% | 27.35% | 12.63% |
| Asian | 4.93% | 1.42% | 5.22% |
| American Indian | 0.15% | 0.32% | 0.82% |
| Native Hawaiian | 0.00% | 0.06% | 0.18% |
| Mixed race | 2.70% | 2.07% | 3.06% |
| Other race | 0.62% | 1.51% | 4.75% |