| Statistic | Earlham | Iowa | National |
| Population | 1,410 | 3,258,878 | 336,919,644 |
| Population density (sq mi) | 1,458 | 58 | 91 |
| Median age | 41.1 | 38.0 | 37.7 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 68% | 60% | 55% |
| Families w/ Kids under 18 | 55% | 44% | 43% |
| Speak English | 99% | 92% | 79% |
| Speak Spanish | 0% | 4% | 13% |

The demographics of Earlham 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 1,410, Earlham exhibits a population density of 1,458 people per square mile, contrasting with the national average of 91. The median age stands at 41.1, with 68% of individuals aged 15 or older being married and 55% having children under 18. In terms of income equality in Earlham, 13% of households report a median income below $25,000, while 27% report an income exceeding $150,000, showcasing a diverse economic landscape.
Understanding the Earlham racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Earlham, the racial breakdown indicates 97.7% White, 0.1% Black or African American, 0% Asian, 0% American Indian and 0% Native Hawaiian, with 0% of the population identifying as Hispanic or Latino. Notably, 99.4% of households reported speaking English only, while 0.5% reported speaking Spanish only. Additionally, 0.1% of residents were categorized as foreign-born.
Communities such as Earlham, 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. Earlham has a population density of 1,458, surpassing the national average of 91 people per square mile, as it stands poised to reap the benefits of dense urban living.
A city that prioritizes the well-being and necessities of families, such as Earlham, fosters an environment where children prosper, parents receive robust support and families collectively relish a high standard of living. Family-friendly cities are renowned for nurturing tight-knit communities, where neighbors actively assist and look out for one another. Furthermore, these locales often offer exceptional educational opportunities, encompassing top-notch schools, well-stocked libraries, and a plethora of extracurricular activities. Quality education is paramount for the comprehensive development and future success of children. By placing a premium on the welfare of its populace, such cities emerge as vibrant and resilient communities where families can genuinely flourish. In Earlham, 55% of families have children under 18, and 68% of residents aged 15 and above are married. These demographic attributes position this area to harness the advantages of being a family-friendly locale.
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 Earlham 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. Earlham 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.
Social Cohesion: The examination and interpretation of demographics are pivotal for nurturing social cohesion and promoting understanding among diverse communities. By acknowledging and honoring differences in Earlham demographics, societies can champion inclusivity, diversity and social cohesion while addressing social disparities and advocating for equitable opportunities. Racial demographics can potentially showcase the diversity of a population and are crucial for fostering inclusive and embracing communities. Embracing diversity fortifies social bonds, fosters cultural appreciation and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.
Urban Development: Urban planners could use Earlham 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 Earlham demographics for planning and development of affordable housing can help prevent displacement.
| Race | Earlham | Iowa | National |
| White | 97.68% | 90.90% | 73.35% |
| Black | 0.07% | 3.32% | 12.63% |
| Asian | 0.00% | 2.14% | 5.22% |
| American Indian | 0.00% | 0.32% | 0.82% |
| Native Hawaiian | 0.00% | 0.08% | 0.18% |
| Mixed race | 2.24% | 1.97% | 3.06% |
| Other race | 0.00% | 1.27% | 4.75% |