| Statistic | Duarte | California | National |
| Population | 22,169 | 40,994,941 | 336,919,644 |
| Population density (sq mi) | 3,314 | 263 | 91 |
| Median age | 41.9 | 36.0 | 37.7 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 52% | 52% | 55% |
| Families w/ Kids under 18 | 30% | 46% | 43% |
| Speak English | 43% | 56% | 79% |
| Speak Spanish | 39% | 29% | 13% |

The population in Duarte is 22,169, while the population density is 3,314 people per square mile, contrasting with the national average of 91. The median age stands at 41.9, with 52% of individuals aged 15 or older being married and 30% having children under 18. In terms of household income equality in Duarte, 16% of households report a median income below $25,000, while 27% report an income exceeding $150,000. The Duarte demographics data can provide invaluable insight into the composition, dynamics and needs of urban and rural areas, enabling planners, developers and policymakers to strategize effectively for the promotion of prosperity, equity and well-being for all residents in the area.
Understanding the Duarte racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Duarte, the racial breakdown indicates 53.8% White, 6.9% Black or African American, 16.5% Asian, 2.3% American Indian and 0% Native Hawaiian, with 52.3% of the population identifying as Hispanic or Latino. Notably, 43% of households reported speaking English only, while 39.2% reported speaking Spanish only. Additionally, 31.7% of residents were categorized as foreign-born.
High population density areas are renowned for their extensive array of amenities and services, easily accessible to residents within walking distance or a short commute. From healthcare facilities and educational institutions to cultural venues, dining establishments, retail shops and public transportation options, these communities offer convenience and enrichment to their inhabitants. The Duarte population density is 3,314 people per square mile, well above the national average of 91, making it one of the most densely populated cities in the nation.
Healthcare Planning: Analyzing the demographic data in Duarte has the potential to inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. Healthcare providers and policymakers can allocate resources more effectively, develop prevention and intervention programs and address health inequities within communities by understanding demographic trends. Leveraging demographic statistics can enable healthcare providers and policymakers to strive for equitable, accessible and high-quality healthcare for all individuals and communities. This proactive healthcare planning approach ensures targeted interventions, efficient resource allocation and tailored healthcare services to meet diverse population needs.
Education Allocation: Education planning benefits significantly from Duarte 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, Duarte 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.
Urban Development: By leveraging demographic data in Duarte, urban planners can tailor areas to meet the needs of any resident across housing, transportation and public services, all while fostering sustainability and elevating quality of life. Demographic changes can fuel gentrification and neighborhood transformation, whether in urban or rural settings. As neighborhoods attract newcomers with varying income levels and lifestyle preferences, property values may appreciate, potentially displacing established residents and reshaping the neighborhood's fabric. A nuanced understanding of population density, age distribution, household size and income levels is pivotal for guiding decisions on zoning, transportation infrastructure, housing development and public amenities. Utilizing the demographic data in planning and implementing affordable housing initiatives can help mitigate displacement risks and promote inclusive communities.
| Race | Duarte | California | National |
| White | 53.83% | 61.26% | 73.35% |
| Black | 6.90% | 5.85% | 12.63% |
| Asian | 16.48% | 13.85% | 5.22% |
| American Indian | 2.26% | 0.74% | 0.82% |
| Native Hawaiian | 0.05% | 0.39% | 0.18% |
| Mixed race | 6.58% | 4.62% | 3.06% |
| Other race | 13.89% | 13.28% | 4.75% |