Seattle is a seaport city on the US West Coast. It is the King County seat, Washington. With a population estimated at 744,000. Seattle is the largest town in both Washington state and North America's Pacific Northwest region. Ranks 15th overall in the United States . Seattle is the fourth largest port in North America in terms of container handling and is a major gateway for trade with Asia. Seattle is also the birthplace of rock singer Jimi Hendrix, as well as the roots of the bands Nirvana, Pearl Jam, Soundgarden, Alice in Chains, Foo Fighters and the grunge alternative rock movement. Seattle has 83square miles of land.