Sammamish, Washington Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Sammamish, Washington is 66,375 as of the 2023 American Community Survey, making it the 20th-largest city in Washington. The median household income is $227,273, the median home value is $1,240,300, and the median age is 39.4.
The population has grown 15.3% since 2010 (57,656 → 66,474).
66,375
Population
3249
People / sq mi
$227,273
Median Income
$1,240,300
Median Home Value
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Sammamish covers 20.4 sq mi of land at 3249 people per square mile.
About Sammamish, WA
What sets Sammamish apart is where people work — remote work is unusually prominent here, at 35.0% versus 14.0% nationally. With 66,375 residents, Sammamish is a city in Washington. It ranks #20 among cities in Washington by population.
Earnings sit at the high end: a median household income of $227,273, above the US median of $78,538. About 4.9% of residents live below the federal poverty level, below the national 12.4%. Real estate commands a premium here — a median home value of $1,240,300, with typical rent around $2,728.
Degree attainment is near the top of the range for US cities: 77.0% of adults 25+ hold a bachelor’s, above the 35.0% national rate. An unusually large 35.0% of workers are remote, above the national 14.0%, and the average commute runs about 31 minutes each way.
The remote-work concentration is telling in Sammamish — it skews toward higher-income, college-educated workers and reshapes both commute patterns and housing demand.
Sammamish city Population History (2010-2024)
The city of Sammamish city had a population of 57,656 in 2010 and 66,474 in 2024, a 15.3% growth over 14 years. The peak was 67,449 in 2020. Average annual growth rate: 1.03%.
66,474
Population (2024)
57,656
Population (2010)
67,449
Peak (2020)
1.03%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 57,656 |
| 2011 | 58,726 |
| 2012 | 59,973 |
| 2013 | 61,006 |
| 2014 | 62,174 |
| 2015 | 63,266 |
| 2016 | 63,817 |
| 2017 | 64,929 |
| 2018 | 65,495 |
| 2019 | 65,892 |
| 2020 | 67,449 |
| 2021 | 66,573 |
| 2022 | 65,964 |
| 2023 | 65,857 |
| 2024 | 66,474 |
Race & Ethnicity
| White | 53.1% |
| Black or African American | 1.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Economy & Income
$227,273
Median Household Income
$94,497
Per Capita Income
4.9%
Poverty Rate
1.8%
Unemployment Rate
Housing
$1,240,300
Median Home Value
$2,728
Median Rent
83.4%
Owner-Occupied
Education
97.2%
High School+
77.0%
Bachelor's+
Commute
3.7%
Drive Alone
53.1%
Public Transit
35.0%
Work From Home
31.3 min
Avg Commute
Community Profile
30.2%
Foreign Born
61.2%
Non-English at Home
2.7%
Veterans
4.7%
With Disability
97.6%
Health Insurance
99.7%
Internet Access
Employment by Industry
| Finance, Insurance & Real Estate | 33.9% |
| Professional, Scientific & Management | 17.5% |
| Manufacturing | 6.3% |
| Information | 6.1% |
| Education, Health Care & Social Services | 5.4% |
| Transportation & Warehousing | 5.0% |
| Retail Trade | 3.8% |
| Construction | 2.9% |
| Public Administration | 1.9% |
| Arts, Entertainment & Food Services | 1.5% |
| Agriculture & Mining | 0.3% |
Largest cities in Washington
Largest counties in Washington
Part of Washington
Metro areas in Washington
City rankings
Frequently Asked Questions
Sammamish, Washington has a population of 66,375 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 20th-largest city in Washington.
The median household income in Sammamish, Washington is $227,273, with 4.9% of residents living below the federal poverty level.
The median home value in Sammamish, Washington is $1,240,300, with median monthly rent at $2,728 and a homeownership rate of 83.4%.
The median age in Sammamish, Washington is 39.4 years. The population is 49.1% male and 50.9% female.
The population has grown 15.3% since 2010 (57,656 → 66,474).
Where to stay in Sammamish
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.