As of the 2023
American Community Survey, there are 21,792 estimated households in Sammamish with an average of 2.98 persons per household. The city has a median household income of $238,750 and the per capita income was $103,748. Approximately 2.9% of the city's population lives at or below the poverty line. Sammamish has an estimated 66.7% employment rate, with 83.4% of the population holding a bachelor's degree or higher and 97.8% holding a high school diploma. The U.S. Census Bureau estimated that the median household income in Sammamish was $239,000 in 2022, placing it first among U.S. cities with a population greater than 65,000. The top five reported languages spoken at home were English (56.3%), Spanish (3.4%), other Indo-European languages (14.6%), Asian and Pacific Islander (24.4%), and Other (1.2%). The median age in the city was 41.3 years. In 2007, CNN Money ranked Sammamish as the 11th Best Place to Live in the United States, and subsequently ranked it as #12 in 2009 and #15 in 2011. Sammamish was also ranked the 9th Best Place to Live by
Money.com in 2018.
Racial and ethnic composition 2020 census As of the
2020 census, Sammamish had a population of 67,455, 21,895 households, and 18,861 families residing in the city. The median age was 38.9 years, with 29.7% of residents under the age of 18, 6.1% under 5, and 9.2% 65 or older. For every 100 females there were 99.2 males, and for every 100 females age 18 and over there were 97.0 males age 18 and over; 51.1% of the population was female. Of those households, 52.4% had children under the age of 18 living in them, 77.4% were married-couple households, 8.1% were households with a male householder and no spouse or partner present, and 11.9% were households with a female householder and no spouse or partner present. About 10.9% of all households were made up of individuals and 3.4% had someone living alone who was 65 years of age or older. The racial makeup of the city was 52.6% White, 1.3% Black or African American, 0.2% American Indian and Alaska Native, 35.8% Asian, 0.1% Native Hawaiian and Other Pacific Islander, 1.4% from some other race, and 8.5% from two or more races. Hispanic or Latino people of any race were 5.4% of the population.
2010 census As of the
2010 census, there were 45,780 people, 15,154 households, and 12,918 families residing in the city. The population density was . There were 15,736 housing units at an average density of . The racial makeup of the city was 74.72%
White, 0.96%
African American, 0.28%
Native American, 19.34%
Asian, 0.10%
Pacific Islander, 0.86% from some other races and 3.74% from two or more races.
Hispanic or Latino people of any race were 3.94% of the population. There were 15,154 households, of which 52.9% had children under the age of 18 living with them, 76.9% were
married couples living together, 5.6% had a female householder with no husband present, 2.7% had a male householder with no wife present, and 14.8% were non-families. 11.4% of all households were made up of individuals, and 2.1% had someone living alone who was 65 years of age or older. The average household size was 3.01 and the average family size was 3.28. The median age in the city was 37.7 years. 32.2% of residents were under the age of 18; 4.9% were between the ages of 18 and 24; 27.9% were from 25 to 44; 29.4% were from 45 to 64; and 5.7% were 65 years of age or older. The gender makeup of the city was 50.1% male and 49.9% female. ==Parks==