| Statistic | Atchison | Kansas | National |
| Population | 10,863 | 3,026,509 | 336,919,644 |
| Population density (sq mi) | 1,360 | 37 | 91 |
| Median age | 32.7 | 36.2 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 47% | 59% | 55% |
| Families w/ Kids under 18 | 42% | 45% | 43% |
| Speak English | 98% | 89% | 79% |
| Speak Spanish | 2% | 8% | 13% |

The demographics of Atchison 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 10,863, Atchison exhibits a population density of 1,360 people per square mile, contrasting with the national average of 91. The median age stands at 32.7, with 47% of individuals aged 15 or older being married and 42% having children under 18. In terms of income equality in Atchison, 23% of households report a median income below $25,000, while 8% report an income exceeding $150,000, showcasing a diverse economic landscape.
Understanding the Atchison racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Atchison, the racial breakdown indicates 86.1% White, 4.2% Black or African American, 0.4% Asian, 0.3% American Indian and 0% Native Hawaiian, with 4.5% of the population identifying as Hispanic or Latino. Notably, 97.5% of households reported speaking English only, while 2.1% reported speaking Spanish only. Additionally, 2.1% of residents were categorized as foreign-born.
Atchison 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 Atchison population density is 1,360, surpassing the national average of 91 per square miles, positioning itself to capitalize on the advantages of dense urban living.
Understanding Populations: Reporting and analyzing the demographic data in Atchison can allow us to gain insights into the characteristics and composition of populations, including age, gender, race, ethnicity, income, education and other socio-economic factors. This understanding is essential for addressing the diverse needs, preferences and challenges of different demographic groups within communities. Demographics can play a crucial role in understanding populations, informing decision-making processes and promoting equity, inclusion, and well-being for all individuals and communities. Atchison population data serves as a foundation for addressing social, economic, and environmental challenges and promoting the well-being and resilience of societies.
Education Allocation: Utilizing census data like Atchison demographics can be useful in guiding education planning, as it helps identify student demographics, school enrollment trends and educational needs. This data assists schools and policymakers in allocating resources and devising effective educational programs. It serves as a vital tool for recognizing disparities in educational access and outcomes among various demographic groups, including racial and ethnic minorities, socio-economic status and students with disabilities. By disaggregating data based on demographic factors, education planners can pinpoint areas of inequity and implement targeted interventions to enhance access, support and outcomes for marginalized students. In essence, Atchison demographic statistics can play an indispensable role in education by promoting equity, bolstering student success and cultivating inclusive learning environments tailored to meet the needs of all students.
Urban Development: Urban planners could use Atchison 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 Atchison demographics for planning and development of affordable housing can help prevent displacement.
| Race | Atchison | Kansas | National |
| White | 86.10% | 85.19% | 73.35% |
| Black | 4.23% | 5.79% | 12.63% |
| Asian | 0.41% | 2.68% | 5.22% |
| American Indian | 0.27% | 0.82% | 0.82% |
| Native Hawaiian | 0.00% | 0.06% | 0.18% |
| Mixed race | 7.68% | 3.31% | 3.06% |
| Other race | 1.31% | 2.15% | 4.75% |