Statistic Sammamish Washington National
Population 67,314 7,794,858 336,919,644
Population density (sq mi) 3,294 117 91
Median age 38.9 37.6 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 73% 56% 55%
Families w/ Kids under 18 62% 44% 43%
Speak English 66% 81% 79%
Speak Spanish 2% 8% 13%
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Overview of Sammamish Demographics

Sammamish demographics provide invaluable insights into the composition, dynamics and needs of urban and rural areas, enabling them to plan, develop, and govern in ways that promote prosperity, equity and well-being for all residents. The Sammamish population is 67,314 and has a population density of 3,294 people per square mile, compared to the national average of 91. The median age of all residents is 38.9, 73% of people 15 years of age or older are married and 62% have kids under the age of 18. In Sammamish, 4% of households have a median income that is below $25,000 and 72% of households report a median income above $150,000.

Sammamish Racial Demographics & Ethnicity

Recognizing the racial demographics and ethnicity breakdown of Sammamish is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Sammamish, the racial breakdown comprises 59.8% White, 1.4% Black or African American, 33% Asian, 0.3% American Indian, and 0.2% Native Hawaiian, with 3.2% of the population identifying as Hispanic or Latino. 65.6% of households reported speaking English only, while 2% reported speaking Spanish only. Furthermore, 31.3% of residents were categorized as foreign-born.

Sammamish Population Density

The Sammamish population density comes in at 3,294 people per square mile, which makes it one of the most densely populated areas in the country, far surpassing the national average of 91. Areas characterized by high population density often boast an abundance of amenities and services within close proximity, providing residents with convenient access to healthcare, education, cultural attractions, dining establishments, retail outlets and transportation options. This accessibility could potentially enhance residents' overall quality of life and well-being.

Is Sammamish Family Friendly?

A family-friendly city like Sammamish can prioritize the well-being and needs of families, creating an environment where children thrive, parents feel supported and families can enjoy a high quality of life together. Family-friendly cities are also known to foster a strong sense of community, with neighbors supporting and looking out for one another. These areas could also boast excellent educational opportunities, including high-quality schools, libraries and extracurricular activities. Access to quality education is essential for children's development and future success. By prioritizing the well-being of its residents, such cities become vibrant and resilient communities where families can truly flourish. In Sammamish, 62% of families have kids under the age of 18 and 73% of residents over 15 years old are married. These demographics put this area in a position to reap the benefits of a family-friendly area.

Why are Demographics Important?

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 Sammamish 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.

Urban Development: Sammamish demographic statistics are invaluable for urban planners in designing and developing areas that cater to residents' needs, encompassing housing, transportation, and public services, all while fostering sustainability and enhancing quality of life. Shifts in demographics can influence gentrification and neighborhood transformation, whether in urban or rural settings. As neighborhoods attract new residents with varying income levels and lifestyle preferences, property values may increase, potentially displacing long-term residents and altering the neighborhood's character. Analyzing population density, age distribution, household size, and income levels is crucial for guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Utilizing Sammamish demographic data in planning and executing affordable housing initiatives can serve as a preventive measure against displacement.

Education Allocation: Utilizing census data like Sammamish 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, Sammamish 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.

Demographics Quick Facts

  • The population density in Sammamish is 2708% higher than Washington
  • The median age in Sammamish is 3% higher than Washington
  • In Sammamish 59.81% of the population is White
  • In Sammamish 1.41% of the population is Black
  • In Sammamish 33.02% of the population is Asian

Compare Sammamish, WA Demographics

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      Sammamish racial demographics

      Race Sammamish Washington National
      White 59.81% 77.34% 73.35%
      Black 1.41% 3.63% 12.63%
      Asian 33.02% 7.80% 5.22%
      American Indian 0.30% 1.33% 0.82%
      Native Hawaiian 0.18% 0.63% 0.18%
      Mixed race 4.75% 5.34% 3.06%
      Other race 0.53% 3.92% 4.75%
      In Sammamish, 3.2% 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

      Sammamish age breakdown

      Marital status

      Age of children in married couples

      Source: The Sammamish, WA demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and include 2026 modeled data developed using proprietary methodologies.