Sammamish, WA Census Data
The 20th largest city in Washington by population · 26 cities ranked
Sammamish is the 20th largest city in Washington by population and ranks 1st of 26 for median household income. With 66,375 residents, it has a lower poverty rate than 25 other Washington cities. This snapshot draws from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-04-13 · 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 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%
Per Capita Income
$116,523
Individual average income (not household)
Veteran Population
2.7%
Disability rate: 4.7%
How Sammamish Compares to Other Washington Cities
Rankings among all 26 Washington cities tracked in the 2023 ACS.
| Ranking | Position | Tier |
|---|---|---|
| Largest by Population | 20th of 26 | Bottom 25% |
| Highest Median Income | 1st of 26 | Top 10% |
| Lowest Poverty Rate | 1st of 26 | Top 10% |
| Highest Bachelor's Attainment | 1st of 26 | Top 10% |
| Highest Home Value | 1st of 26 | Top 10% |
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).
How does Sammamish rank among Washington cities?
Sammamish is the 20th largest city in Washington by population, the 1st highest for median household income, the 1st lowest for poverty rate, the 1st highest for bachelor's degree attainment among 26 ranked Washington cities.
What is the unemployment rate in Sammamish?
The unemployment rate in Sammamish, WA is 2.7%, with a labor force participation rate of 66.3%. Per capita income is $116,523.
Cities Similar to Sammamish
Other Washington cities with comparable population and income levels.