- With an estimated 744,955 residents as of 2018, Seattle is the largest city in both the state of Washington and the Pacific Northwest region of North America.
- The Seattle metropolitan area's population stands at 3.94 million, and ranks as the 15th largest in the United States.
- In July 2016, Seattle was again the fastest-growing major U.S. city, with a 3.1% annual growth rate.
- The Seattle area was inhabited by Native Americans for at least 4,000 years before the first permanent European settlers.
- Logging was Seattle's first major industry, but by the late 19th century, the city had become a commercial and shipbuilding center as a gateway to Alaska during the Klondike Gold Rush.
- Growth after World War II was partially due to the local Boeing company, which established Seattle as a center for aircraft manufacturing.
- With a land area of 83.9 square miles (217.3 km²), Seattle is the northernmost city with at least 500,000 people in the United States.
- Seattle's economy is driven by a mix of older industrial companies, and "new economy" Internet and technology companies, service, design, and clean technology companies.