Seattle is the most populous city in the U.S. state of Washington and the Pacific Northwest region of North America. It is the 18th-most populous city in the United States with a population of 784,777 in 2025, while the Seattle metropolitan area at over 4.15 million residents is the 15th-most populous metropolitan area in the nation. The city is the county seat of King County, the most populous county in Washington. Seattle's growth rate of 21.1% between 2010 and 2020 made it one of the country's fastest-growing large cities.
Key Facts
| Subject | Seattle |
| Category | City in Washington, United States |
| Reading time | 1 min · Beginner |
| Key date | 784 |
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Reference material for this entry is drawn from the open encyclopedic record, including Wikipedia , available under the CC BY-SA 4.0 license. Images are credited individually beside each photo.