| Statistic | Derby | Colorado | National |
| Population | 9,365 | 5,895,298 | 336,919,644 |
| Population density (sq mi) | 5,346 | 57 | 91 |
| Median age | 30.3 | 36.4 | 37.7 |
| Male/Female ratio | 1.2:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 53% | 56% | 55% |
| Families w/ Kids under 18 | 48% | 45% | 43% |
| Speak English | 43% | 83% | 79% |
| Speak Spanish | 57% | 12% | 13% |

The population of Derby is 9,365, with a population density of 5,346 people per square mile, diverging from the national average of 91. The median age is 30.3 and 53% of individuals aged 15 or older are married, while 48% have children under 18. As far as income equality in Derby goes, 20% of households have a median income below $25,000, whereas 13% report an income exceeding $150,000. The Derby demographics data can provide indispensable insights into the composition, dynamics and needs of cities, towns or even villages, empowering planners, developers and policymakers to devise strategies that foster prosperity, equity and well-being for all residents.
Recognizing the racial demographics and ethnicity breakdown of Derby is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Derby, the racial breakdown comprises 71% White, 2.2% Black or African American, 0.2% Asian, 1.9% American Indian, and 0.1% Native Hawaiian, with 77.6% of the population identifying as Hispanic or Latino. 42.5% of households reported speaking English only, while 57% reported speaking Spanish only. Furthermore, 28.9% of residents were categorized as foreign-born.
In areas with high population density, residents enjoy a wealth of amenities and services conveniently located within walking distance or a short commute. Access to healthcare facilities, educational institutions, cultural venues, dining options, retail stores and public transit enhances residents' quality of life and overall well-being. Derby has a population density of 5,346 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the country.
Urban Development: Urban planners can leverage demographics data in Derby to design and develop areas that cater to residents' needs, spanning housing, transportation, and public services, while prioritizing sustainability and enhancing quality of life. Demographic changes can contribute to gentrification and neighborhood evolution, whether in urban or rural contexts. As neighborhoods attract new residents with diverse income levels and lifestyle preferences, property values may appreciate, potentially displacing longstanding residents and reshaping the neighborhood's identity. Understanding population density, age distribution, household size and income levels is essential for guiding decisions on zoning, transportation infrastructure, housing development and public amenities. Incorporating Derby demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.
Education Allocation: Derby 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, Derby demographic data is indispensable in education for advancing equity, fostering student achievement, and cultivating inclusive learning environments tailored to the needs of all students.
Healthcare Planning: The analysis of Derby demographics can offer insights into healthcare planning and delivery, identifying population health needs, disparities and risk factors. By understanding demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs and address health inequities within communities. Through the use of demographic data and statistics, healthcare providers and policymakers aim to achieve equitable, accessible and high-quality healthcare for all individuals and communities. This proactive approach to healthcare planning ensures targeted interventions, efficient resource allocation and customized healthcare services to meet the diverse needs of populations.

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| Race | Derby | Colorado | National |
| White | 70.96% | 84.28% | 73.35% |
| Black | 2.25% | 4.09% | 12.63% |
| Asian | 0.15% | 2.94% | 5.22% |
| American Indian | 1.86% | 0.94% | 0.82% |
| Native Hawaiian | 0.10% | 0.14% | 0.18% |
| Mixed race | 12.36% | 3.43% | 3.06% |
| Other race | 12.32% | 4.18% | 4.75% |