Sammamish, WA Census Data
Key demographic and economic indicators for Sammamish, Washington from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-03-23 · Source: U.S. Census Bureau, ACS 2023
Population
66,375
49.1% male · 50.9% female
Median Age
39.4
0.7 above the national average (38.7 yrs)
Median Household Income
$227,273
148,735.0 above the national average ($78,538)
Bachelor's Degree or Higher
77.0%
42.0 above the national average (35.0%)
HS diploma or higher: 97.2%
Poverty Rate
4.4%
8.0 below the national average (12.4%)
Uninsured: 2.4%
Broadband Access
99.7%
10.0 above the national average (89.7%)
Median Home Value
$1,240,300
Median rent: $2,728 · 83% owner-occupied
Unemployment Rate
2.7%
Labor force participation: 66.3%
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
Sammamish, WA Frequently Asked Questions
What is the population of Sammamish, WA?
The population of Sammamish, WA is 66,375 according to the 2023 American Community Survey 5-year estimates. The median age is 39.4 years.
What is the median household income in Sammamish?
The median household income in Sammamish, WA is $227,273, above the national average of $78,538. Per capita income is $116,523.
What is the poverty rate in Sammamish?
The poverty rate in Sammamish, WA is 4.4%, compared to the national average of 12.4%. About 2.4% of residents lack health insurance.
What percentage of Sammamish residents have a college degree?
77.0% of adults (25+) in Sammamish hold a bachelor's degree or higher, and 97.2% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in Sammamish?
The median home value in Sammamish, WA is $1,240,300. Median rent is $2,728 per month, with 83% of housing units owner-occupied.
What is the racial makeup of Sammamish?
Sammamish's population is 53.1% White, 1.5% Black, 4.4% Hispanic or Latino, and 36.6% Asian (source: 2023 ACS).