Statistic Seaside California National
Population 34,063 39,512,223 328,239,523
Population density (sq mi) 3,817 256 91
Median age 33.8 36.0 37.7
Male/Female ratio 1.0:1 1.0:1 1.0:1
Married (15yrs & older) 50% 52% 55%
Families w/ Kids under 18 42% 46% 43%
Speak English 53% 56% 79%
Speak Spanish 35% 29% 13%

Overview of Seaside Demographics

The population in Seaside is 34,063, while the population density is 3,817 people per square mile, contrasting with the national average of 91. The median age stands at 33.8, with 50% of individuals aged 15 or older being married and 42% having children under 18. In terms of household income equality in Seaside, 18% of households report a median income below $25,000, while 20% report an income exceeding $150,000. The Seaside 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.

Seaside Racial Demographics & Ethnicity

The Seaside 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 Seaside is 55.4% White, 7.4% Black or African American, 9.8% Asian, 0.4% American Indian and 2.6% Native Hawaiian - 44.8% of the population identify as Hispanic or Latino. Of all households, 52.6% reported speaking English only, while 35.3% reported speaking Spanish only. A total of 27.1% of residents were considered foreign born.

Seaside Population Density

Areas with a high population density tend to support a wide range of amenities and services within walking distance or a short commute. Residents tend to have convenient access to healthcare facilities, educational institutions, cultural venues, restaurants, shops and public transportation options, enhancing their quality of life and overall well-being. The Seaside population density is 3,817 people per square mile, which is well-above the national average of 91 and is considered one of the most densely populated cities in the country.

Why are Demographics Important?

Understanding Populations: The examination and analysis of Seaside demographic data can offer valuable insights into the composition and traits of populations, including age, gender, race, ethnicity, income, education and various socio-economic factors. This understanding is essential for addressing the varied needs, preferences, and challenges faced by different demographic groups within communities. Demographics hold significant importance in understanding populations, guiding decision-making processes and promoting equity, inclusion, and overall well-being for all individuals and communities. The Seaside population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and resilience of societies.

Healthcare Planning: Analyzing the demographic data in Seaside 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.

Policy Planning: At various levels of government and within organizations and businesses, demographic data and statistics serve as essential tools for guiding policy and decision-making processes. Through the examination and interpretation of Seaside demographic stats and data, policymakers, government officials, and organizational leaders can pinpoint areas requiring attention, allocate resources judiciously and design policies and initiatives tailored to the specific needs and preferences of distinct demographic segments. The utilization of Seaside demographic data plays a pivotal role in policy formulation by informing resource allocation, facilitating evidence-based decision-making, identifying key priorities, predicting future trends, assessing policy effectiveness, and advancing principles of equity and inclusivity. Through effective utilization of this data, policymakers can craft policies that are targeted, efficient, and responsive to the diverse needs of communities.

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Demographics Quick Facts

  • The population density in Seaside is 1391% higher than California
  • The median age in Seaside is 6% lower than California
  • In Seaside 55.44% of the population is White
  • In Seaside 7.37% of the population is Black
  • In Seaside 9.78% of the population is Asian

Compare Seaside, CA Demographics


      Seaside racial demographics

      Race Seaside California National
      White 55.44% 61.26% 73.35%
      Black 7.37% 5.85% 12.63%
      Asian 9.78% 13.85% 5.22%
      American Indian 0.40% 0.74% 0.82%
      Native Hawaiian 2.57% 0.39% 0.18%
      Mixed race 7.94% 4.62% 3.06%
      Other race 16.51% 13.28% 4.75%
      In Seaside, 44.8% 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

      Seaside age breakdown

      Marital status

      Age of children in married couples

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