StatisticWest Lake SammamishBellevueWashington
Population density (sq mi)2854,086117
Median age46.038.237.6
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)n/a62%56%
Families w/ Kids under 1849%47%44%
Speak Englishn/a59%81%
Speak Spanishn/a6%8%

Key findings

  • The population density in West Lake Sammamish is 93% lower than Bellevue
  • The median age in West Lake Sammamish is 21% higher than Bellevue
  • In West Lake Sammamish 80.28% of the population is White
  • In West Lake Sammamish 2.33% of the population is Black
  • In West Lake Sammamish 11.71% of the population is Asian

Compare Bellevue, WA Demographics


      West Lake Sammamish population breakdown by race

      RaceWest Lake SammamishBellevueWashington
      American Indian0.26%0.30%1.33%
      Native Hawaiian0.00%0.21%0.63%
      Mixed race4.64%5.01%5.34%
      Other race0.78%2.01%3.92%
      In West Lake Sammamish, 7.1% 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

      West Lake Sammamish age breakdown

      Marital status

      Age of children in married couples

      Source: The West Lake Sammamish, Bellevue, WA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).