Statistic Sunnyvale California National
Population 152,569 39,512,223 328,239,523
Population density (sq mi) 6,916 256 91
Median age 35.1 36.0 37.7
Male/Female ratio 1.1:1 1.0:1 1.0:1
Married (15yrs & older) 61% 52% 55%
Families w/ Kids under 18 47% 46% 43%
Speak English 41% 56% 79%
Speak Spanish 12% 29% 13%

Overview of Sunnyvale Demographics

The population of Sunnyvale is 152,569, with a population density of 6,916 people per square mile, diverging from the national average of 91. The median age is 35.1 and 61% of individuals aged 15 or older are married, while 47% have children under 18. As far as income equality in Sunnyvale goes, 7% of households have a median income below $25,000, whereas 59% report an income exceeding $150,000. The Sunnyvale 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.

Sunnyvale Racial Demographics & Ethnicity

The Sunnyvale racial demographics and ethnicity breakdown serves as a critical tool for understanding and addressing systemic inequities, promoting social justice and inclusion and building stronger, more resilient communities. The racial breakdown in Sunnyvale is 35.8% White, 1.2% Black or African American, 48.2% Asian, 0.7% American Indian and 0.1% Native Hawaiian - 16.7% of the population identify as Hispanic or Latino. Of all households, 41.1% reported speaking English only, while 12.3% reported speaking Spanish only. A total of 49.4% of residents were considered foreign born.

Sunnyvale Population Density

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. Sunnyvale has a population density of 6,916 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the country.

Why are Demographics Important?

Urban Development: Urban planners can leverage demographics data in Sunnyvale 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 Sunnyvale demographics data into planning and implementing affordable housing initiatives can help mitigate displacement risks.

Policy Planning: Demographic data and statistics serve as vital tools for informing policy and decision-making processes across various levels of government, as well as within organizations and businesses. Through the reporting and analysis of demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of need, allocate resources efficiently, and craft tailored policies and programs to address the unique needs and priorities of different demographic groups. The utilization of demographic data in Sunnyvale is instrumental in policy planning, facilitating resource allocation, evidence-based decision-making, priority identification, trend forecasting, policy impact assessment, and the promotion of equity and inclusion. By harnessing this data effectively, policymakers can devise targeted, impactful, and inclusive policies that cater to the diverse needs of communities.

Social Cohesion: The examination and interpretation of demographics are pivotal for nurturing social cohesion and promoting understanding among diverse communities. By acknowledging and honoring differences in Sunnyvale demographics, societies can champion inclusivity, diversity and social cohesion while addressing social disparities and advocating for equitable opportunities. Racial demographics can potentially showcase the diversity of a population and are crucial for fostering inclusive and embracing communities. Embracing diversity fortifies social bonds, fosters cultural appreciation and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.

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Demographics Quick Facts

  • The population density in Sunnyvale is 2602% higher than California
  • The median age in Sunnyvale is 3% lower than California
  • In Sunnyvale 35.79% of the population is White
  • In Sunnyvale 1.20% of the population is Black
  • In Sunnyvale 48.25% of the population is Asian

Compare Sunnyvale, CA Demographics


      Sunnyvale racial demographics

      Race Sunnyvale California National
      White 35.79% 61.26% 73.35%
      Black 1.20% 5.85% 12.63%
      Asian 48.25% 13.85% 5.22%
      American Indian 0.72% 0.74% 0.82%
      Native Hawaiian 0.13% 0.39% 0.18%
      Mixed race 6.33% 4.62% 3.06%
      Other race 7.59% 13.28% 4.75%
      In Sunnyvale, 16.7% 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

      Sunnyvale age breakdown

      Marital status

      Age of children in married couples

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