Statistic San Marino California National
Population 13,020 39,512,223 328,239,523
Population density (sq mi) 3,457 256 91
Median age 45.4 36.0 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 71% 52% 55%
Families w/ Kids under 18 42% 46% 43%
Speak English 47% 56% 79%
Speak Spanish 5% 29% 13%

Overview of San Marino Demographics

The demographics of San Marino 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 13,020, San Marino exhibits a population density of 3,457 people per square mile, contrasting with the national average of 91. The median age stands at 45.4, with 71% of individuals aged 15 or older being married and 42% having children under 18. In terms of income equality in San Marino, 9% of households report a median income below $25,000, while 63% report an income exceeding $150,000, showcasing a diverse economic landscape.

San Marino Racial Demographics & Ethnicity

The San Marino racial demographics and ethnicity breakdown could be indispensable tools for recognizing and rectifying systemic inequities, fostering social justice and inclusion and cultivating resilient communities. In San Marino, the racial breakdown reveals 30.1% White, 0.5% Black or African American, 64.6% Asian, 0% American Indian and 0.2% Native Hawaiian, with 7% of the population identifying as Hispanic or Latino. Of all households, 46.8% reported speaking English only, while 4.9% reported speaking Spanish only. Moreover, 43.3% of residents were classified as foreign-born.

San Marino 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 San Marino population density is 3,457 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?

Healthcare Planning: An analysis of San Marino demographics can inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. Understanding demographic trends allows healthcare providers and policymakers to allocate resources effectively, develop prevention and intervention programs and address health inequities within communities. Leveraging demographic data, healthcare providers, and policymakers strive to achieve equitable, accessible, and high-quality healthcare for all individuals and communities. This proactive healthcare planning approach ensures targeted interventions, efficient resource allocation and customized healthcare services to meet the diverse needs of populations.

Urban Development: Utilizing San Marino 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 San Marino demographic stats for planning and executing affordable housing initiatives can serve as a preventive measure against displacement.

Education Allocation: Utilizing census data like San Marino demographics can be useful in guiding education planning, as it helps identify student demographics, school enrollment trends and educational needs. This data assists schools and policymakers in allocating resources and devising effective educational programs. It serves as a vital tool for recognizing disparities in educational access and outcomes among various 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 enhance access, support and outcomes for marginalized students. In essence, San Marino demographic statistics can play an indispensable role in education by promoting equity, bolstering student success and cultivating inclusive learning environments tailored to meet the needs of all students.

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Demographics Quick Facts

  • The population density in San Marino is 1251% higher than California
  • The median age in San Marino is 26% higher than California
  • In San Marino 30.10% of the population is White
  • In San Marino 0.52% of the population is Black
  • In San Marino 64.55% of the population is Asian

Compare San Marino, CA Demographics

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      San Marino racial demographics

      Race San Marino California National
      White 30.10% 61.26% 73.35%
      Black 0.52% 5.85% 12.63%
      Asian 64.55% 13.85% 5.22%
      American Indian 0.00% 0.74% 0.82%
      Native Hawaiian 0.19% 0.39% 0.18%
      Mixed race 2.37% 4.62% 3.06%
      Other race 2.26% 13.28% 4.75%
      In San Marino, 7.0% 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

      San Marino age breakdown

      Marital status

      Age of children in married couples

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