| Statistic | Manhattan | Kansas | National |
| Population | 57,133 | 3,026,509 | 336,919,644 |
| Population density (sq mi) | 2,960 | 37 | 91 |
| Median age | 24.6 | 36.2 | 37.7 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 35% | 59% | 55% |
| Families w/ Kids under 18 | 48% | 45% | 43% |
| Speak English | 89% | 89% | 79% |
| Speak Spanish | 3% | 8% | 13% |

The demographics of Manhattan 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 57,133, Manhattan exhibits a population density of 2,960 people per square mile, contrasting with the national average of 91. The median age stands at 24.6, with 35% of individuals aged 15 or older being married and 48% having children under 18. In terms of income equality in Manhattan, 24% of households report a median income below $25,000, while 14% report an income exceeding $150,000, showcasing a diverse economic landscape.
Recognizing the racial demographics and ethnicity breakdown of Manhattan is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Manhattan, the racial breakdown comprises 81.5% White, 5.6% Black or African American, 5.9% Asian, 0.3% American Indian, and 0.2% Native Hawaiian, with 6.8% of the population identifying as Hispanic or Latino. 89.5% of households reported speaking English only, while 3.3% reported speaking Spanish only. Furthermore, 7.9% of residents were categorized as foreign-born.
The Manhattan population density comes in at 2,960 people per square mile, which makes it one of the most densely populated areas in the country, far surpassing the national average of 91. Areas characterized by high population density often boast an abundance of amenities and services within close proximity, providing residents with convenient access to healthcare, education, cultural attractions, dining establishments, retail outlets and transportation options. This accessibility could potentially enhance residents' overall quality of life and well-being.
Urban Development: Utilizing Manhattan demographic statistics and data, urban planners can craft and develop areas that cater to local residents, encompassing housing, transportation and public services, all while emphasizing sustainability and enriching quality of life. Demographic transitions can contribute to gentrification and neighborhood evolution, whether in urban or rural environments. As neighborhoods draw in new residents with varying income levels and lifestyle preferences, property values may appreciate, potentially displacing longtime inhabitants and reshaping the neighborhood's fabric. Comprehensive insights into population density, age distribution, household size, and income levels are instrumental in guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Harnessing Manhattan demographic stats for planning and executing affordable housing initiatives can serve as a preventive measure against displacement.
Policy Planning: Demographic data and statistics serve as valuable tools for guiding policy and decision-making processes across government entities, organizations, and businesses. Through the analysis and interpretation of Manhattan demographics, policymakers, government officials and organizational leaders can identify areas requiring attention, allocate resources strategically and develop policies and initiatives that cater to the unique needs and preferences of various demographic groups. Manhattan demographic statistics can play a critical role in policy planning by informing resource allocation, enabling evidence-based decision-making, identifying priority areas, forecasting future trends, monitoring policy outcomes and fostering equity and inclusivity. By harnessing this data effectively, policymakers can craft policies that are targeted, efficient and equitable, thereby addressing the diverse needs of communities.
Education Allocation: Manhattan demographic data can help guide education planning by identifying student demographics, school enrollment trends and educational needs, helping schools and policymakers allocate resources and develop effective educational programs. It can be an essential tool for identifying disparities in educational access and outcomes among different demographic groups, such as racial and ethnic minorities, socio-economic status, or students with disabilities. By disaggregating data by demographic factors, education planners can identify areas of inequity and develop targeted interventions to improve access, support and outcomes for marginalized students. Overall, Manhattan demographic data is invaluable in education for promoting equity, supporting student success, and fostering inclusive learning environments that meet the needs of all students.
| Race | Manhattan | Kansas | National |
| White | 81.49% | 85.19% | 73.35% |
| Black | 5.62% | 5.79% | 12.63% |
| Asian | 5.90% | 2.68% | 5.22% |
| American Indian | 0.32% | 0.82% | 0.82% |
| Native Hawaiian | 0.20% | 0.06% | 0.18% |
| Mixed race | 5.35% | 3.31% | 3.06% |
| Other race | 1.12% | 2.15% | 4.75% |