Statistic Diamond Bar California National
Population 55,870 39,512,223 328,239,523
Population density (sq mi) 3,757 256 91
Median age 42.9 36.0 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 63% 52% 55%
Families w/ Kids under 18 38% 46% 43%
Speak English 40% 56% 79%
Speak Spanish 10% 29% 13%

Overview of Diamond Bar Demographics

The demographics of Diamond Bar 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 55,870, Diamond Bar exhibits a population density of 3,757 people per square mile, contrasting with the national average of 91. The median age stands at 42.9, with 63% of individuals aged 15 or older being married and 38% having children under 18. In terms of income equality in Diamond Bar, 12% of households report a median income below $25,000, while 39% report an income exceeding $150,000, showcasing a diverse economic landscape.

Diamond Bar Racial Demographics & Ethnicity

Understanding the Diamond Bar racial demographics and ethnic composition is paramount for addressing systemic inequities, advancing social justice and inclusion and fortifying communities. In Diamond Bar, the racial breakdown indicates 25.3% White, 3.7% Black or African American, 59.1% Asian, 0.3% American Indian and 0.1% Native Hawaiian, with 18.4% of the population identifying as Hispanic or Latino. Notably, 39.7% of households reported speaking English only, while 10% reported speaking Spanish only. Additionally, 45.4% of residents were categorized as foreign-born.

Diamond Bar Population Density

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 Diamond Bar population density is 3,757 people per square mile, well above the national average of 91, making it one of the most densely populated cities in the nation.

Why are Demographics Important?

Understanding Populations: Analyzing and interpreting the Diamond Bar 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 Diamond Bar 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.

Social Cohesion: The reporting and analysis of demographics are essential for fostering social cohesion and understanding among diverse communities. By acknowledging and valuing differences in Diamond Bar demographics, societies can champion inclusivity, diversity and social harmony while tackling social disparities and advocating for equal opportunities. Racial demographics showcase the varied makeup of a population and play a vital role in nurturing inclusive and hospitable communities. Embracing diversity bolsters social cohesion, enhances cultural comprehension and enriches society by honoring the contributions of individuals from diverse racial and ethnic backgrounds.

Healthcare Planning: Analyzing the demographic data in Diamond Bar 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.

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Demographics Quick Facts

  • The population density in Diamond Bar is 1368% higher than California
  • The median age in Diamond Bar is 19% higher than California
  • In Diamond Bar 25.27% of the population is White
  • In Diamond Bar 3.72% of the population is Black
  • In Diamond Bar 59.12% of the population is Asian

Compare Diamond Bar, CA Demographics

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      Diamond Bar racial demographics

      Race Diamond Bar California National
      White 25.27% 61.26% 73.35%
      Black 3.72% 5.85% 12.63%
      Asian 59.12% 13.85% 5.22%
      American Indian 0.31% 0.74% 0.82%
      Native Hawaiian 0.10% 0.39% 0.18%
      Mixed race 5.04% 4.62% 3.06%
      Other race 6.44% 13.28% 4.75%
      In Diamond Bar, 18.4% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Diamond Bar age breakdown

      Marital status

      Age of children in married couples

      Source: The Diamond Bar, CA demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).