| Statistic | Johnston | South Carolina | National |
| Population | 2,556 | 5,148,714 | 328,239,523 |
| Population density (sq mi) | 965 | 173 | 91 |
| Median age | 39.8 | 38.8 | 37.7 |
| Male/Female ratio | 1.0:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | 46% | 56% | 55% |
| Families w/ Kids under 18 | 39% | 40% | 43% |
| Speak English | 95% | 93% | 79% |
| Speak Spanish | 5% | 4% | 13% |
Johnston demographics provide invaluable insights into the composition, dynamics and needs of urban and rural areas, enabling them to plan, develop, and govern in ways that promote prosperity, equity and well-being for all residents. The Johnston population is 2,556 and has a population density of 965 people per square mile, compared to the national average of 91. The median age of all residents is 39.8, 46% of people 15 years of age or older are married and 39% have kids under the age of 18. In Johnston, 33% of households have a median income that is below $25,000 and 6% of households report a median income above $150,000.
The Johnston 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 Johnston, the racial breakdown reveals 31.9% White, 67.6% Black or African American, 0% Asian, 0% American Indian and 0% Native Hawaiian, with 4.5% of the population identifying as Hispanic or Latino. Of all households, 95.4% reported speaking English only, while 4.6% reported speaking Spanish only. Moreover, 4.6% of residents were classified as foreign-born.
Communities such as Johnston, with population densities higher than the average, play a significant role in promoting environmental sustainability by decreasing per capita energy consumption, greenhouse gas emissions and land use. Their compact urban development encourages the adoption of energy-efficient buildings, walking, cycling, and public transportation, fostering sustainable lifestyles and minimizing environmental impact. Additionally, densely populated areas tend to cultivate vibrant social and cultural scenes, fueled by a diverse population that contributes to a myriad of cultural events, festivals and community activities. This cultural diversity sparks creativity, innovation and cross-cultural exchange, enriching the social fabric of the community. Johnston has a population density of 965, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.
Healthcare Planning: The analysis of Johnston demographics can offer insights into healthcare planning and delivery, identifying population health needs, disparities and risk factors. By understanding demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs and address health inequities within communities. Through the use of demographic data and statistics, healthcare providers and policymakers aim to achieve equitable, accessible and high-quality healthcare for all individuals and communities. This proactive approach to healthcare planning ensures targeted interventions, efficient resource allocation and customized healthcare services to meet the diverse needs of populations.
Urban Development: Urban planners could use Johnston 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 Johnston demographics for planning and development of affordable housing can help prevent displacement.
Policy Planning: Demographic data and statistics play a fundamental role in informing policy and decision-making processes across government entities, organizations and businesses. Through the analysis and interpretation of Johnston demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of concern, allocate resources efficiently, and devise policies and initiatives tailored to the specific needs and preferences of distinct demographic groups. The utilization of demographics in Johnston can be crucial in policy planning, facilitating evidence-based decision-making, identifying key priorities, forecasting future trends, monitoring policy outcomes and advancing principles of equity and inclusion. By harnessing this data effectively, policymakers can develop policies that are targeted, effective and inclusive, thus meeting the diverse needs of communities.
| Race | Johnston | South Carolina | National |
| White | 31.92% | 67.27% | 73.35% |
| Black | 67.61% | 27.35% | 12.63% |
| Asian | 0.00% | 1.42% | 5.22% |
| American Indian | 0.00% | 0.32% | 0.82% |
| Native Hawaiian | 0.00% | 0.06% | 0.18% |
| Mixed race | 0.47% | 2.07% | 3.06% |
| Other race | 0.00% | 1.51% | 4.75% |
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