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Sammamish, Washington

Located in King County, Washington, Sammamish was established in 1999. One of the wealthiest cities in Washington state. Incorporated in 1999, making it relatively new.
Founded 1999 | Population 65,000 | Peak 65,000 (2024) | County King County

Top 10 Most Important Events for Sammamish, Washington

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1950Economic Development: Sammamish grew through manufacturing and industry.
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1999Founded: Sammamish was founded in King County.
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1999Incorporated: Eastside community.
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2010Modern Era: Sammamish continued to develop as part of the greater metropolitan area, with new infrastructure and community amenities.
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Complete Historical Timeline

1950 Industry
Economic Development
1999 Culture
Founded
1999 Government
Incorporated
2010 Culture
Modern Era

Did You Know?

1
One of the wealthiest cities in Washington state.
2
Incorporated in 1999, making it relatively new.
3
On the Sammamish Plateau east of Lake Sammamish.
4
Sammamish is located in King County, Washington.
5
Sammamish has a population of approximately 65,000.
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