| Statistic | Johnston | Iowa | National |
| Population | 22,844 | 3,258,878 | 336,919,644 |
| Population density (sq mi) | 1,358 | 58 | 91 |
| Median age | 39.1 | 38.0 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 65% | 60% | 55% |
| Families w/ Kids under 18 | 52% | 44% | 43% |
| Speak English | 87% | 92% | 79% |
| Speak Spanish | 1% | 4% | 13% |
The demographics of Johnston 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 22,844, Johnston exhibits a population density of 1,358 people per square mile, contrasting with the national average of 91. The median age stands at 39.1, with 65% of individuals aged 15 or older being married and 52% having children under 18. In terms of income equality in Johnston, 7% of households report a median income below $25,000, while 36% report an income exceeding $150,000, showcasing a diverse economic landscape.
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 85% White, 5.1% Black or African American, 7% Asian, 0% American Indian and 0% Native Hawaiian, with 3.3% of the population identifying as Hispanic or Latino. Of all households, 87.2% reported speaking English only, while 1.5% reported speaking Spanish only. Moreover, 10.4% of residents were classified as foreign-born.
Johnston 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 Johnston population density is 1,358, surpassing the national average of 91 per square miles, positioning itself to capitalize on the advantages of dense urban living.
Johnston, as a family-friendly city, places a significant emphasis on the well-being and needs of families, fostering an environment where children thrive, parents feel supported and families can collectively enjoy a high quality of life. These cities are characterized by their strong sense of community, with neighbors actively supporting and looking out for one another. Additionally, they often offer exceptional educational opportunities, including top-quality schools, well-stocked libraries and diverse extracurricular activities. Access to quality education is essential for children's development and future success. By prioritizing the well-being of its residents, such cities become vibrant and resilient communities where families can truly flourish. In Johnston, 52% of families have children under the age of 18, and 65% of residents aged over 15 are married. These demographics position this area to reap the benefits of being a family-friendly locality.
Healthcare Planning: The examination of Johnston demographics can potentially inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. By comprehending demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs, and address health inequities within communities. Through the utilization of demographic statistics, healthcare providers and policymakers aim to achieve 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 the diverse needs of populations.
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 Johnston 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.
Education Allocation: Johnston demographics can play a pivotal role in guiding education planning, offering insights into student demographics, school enrollment patterns, and educational requirements. This data aids schools and policymakers in resource allocation and the development of effective educational programs. It serves as a critical tool for identifying disparities in educational access and outcomes among diverse demographic groups, such as racial and ethnic minorities, socio-economic status, and students with disabilities. Through the disaggregation of data by demographic factors, education planners can pinpoint areas of inequity and implement targeted interventions to enhance access, support, and outcomes for marginalized students. Ultimately, Johnston demographic data is indispensable in education for advancing equity, fostering student achievement, and cultivating inclusive learning environments tailored to the needs of all students.
| Race | Johnston | Iowa | National |
| White | 84.96% | 90.90% | 73.35% |
| Black | 5.08% | 3.32% | 12.63% |
| Asian | 6.96% | 2.14% | 5.22% |
| American Indian | 0.04% | 0.32% | 0.82% |
| Native Hawaiian | 0.00% | 0.08% | 0.18% |
| Mixed race | 2.06% | 1.97% | 3.06% |
| Other race | 0.91% | 1.27% | 4.75% |
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