| Statistic | Hays | Kansas | National |
| Population | 21,398 | 3,026,509 | 336,919,644 |
| Population density (sq mi) | 2,550 | 37 | 91 |
| Median age | 31.6 | 36.2 | 37.7 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 52% | 59% | 55% |
| Families w/ Kids under 18 | 42% | 45% | 43% |
| Speak English | 93% | 89% | 79% |
| Speak Spanish | 4% | 8% | 13% |

The demographics of Hays 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 21,398, Hays exhibits a population density of 2,550 people per square mile, contrasting with the national average of 91. The median age stands at 31.6, with 52% of individuals aged 15 or older being married and 42% having children under 18. In terms of income equality in Hays, 22% 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 Hays is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Hays, the racial breakdown comprises 92.5% White, 0.8% Black or African American, 2.3% Asian, 0.3% American Indian, and 0.1% Native Hawaiian, with 6.6% of the population identifying as Hispanic or Latino. 92.9% of households reported speaking English only, while 3.5% reported speaking Spanish only. Furthermore, 3.7% of residents were categorized as foreign-born.
Areas with a high population density tend to support a wide range of amenities and services within walking distance or a short commute. Residents tend to have convenient access to healthcare facilities, educational institutions, cultural venues, restaurants, shops and public transportation options, enhancing their quality of life and overall well-being. The Hays population density is 2,550 people per square mile, which is well-above the national average of 91 and is considered one of the most densely populated cities in the country.
Education Allocation: Education planning benefits significantly from Hays demographic information, which helps identify student demographics, school enrollment trends, and educational needs. This data assists schools and policymakers in allocating resources effectively and devising impactful educational programs. It serves as a vital tool for recognizing disparities in educational access and outcomes among diverse 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 improve access, support, and outcomes for marginalized students. Ultimately, Hays demographic data is essential in education for advancing equity, fostering student success, and cultivating inclusive learning environments tailored to meet the needs of all students.
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 Hays 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.
Understanding Populations: Analyzing and interpreting the Hays demographic data provides us with valuable insights into the characteristics and composition of populations, encompassing age, gender, race, ethnicity, income, education and other socio-economic variables. This understanding is crucial for addressing the diverse needs, preferences and challenges encountered by various demographic groups within communities. Demographics play a crucial role in understanding populations, informing decision-making processes, and advancing equity, inclusion, and overall well-being for all individuals and communities. The Hays population and demographic data serves as a foundation for addressing social, economic and environmental challenges, while also nurturing the well-being and resilience of societies.
| Race | Hays | Kansas | National |
| White | 92.46% | 85.19% | 73.35% |
| Black | 0.78% | 5.79% | 12.63% |
| Asian | 2.26% | 2.68% | 5.22% |
| American Indian | 0.26% | 0.82% | 0.82% |
| Native Hawaiian | 0.14% | 0.06% | 0.18% |
| Mixed race | 3.36% | 3.31% | 3.06% |
| Other race | 0.74% | 2.15% | 4.75% |