Seattle is located in King County. The region is located on the bodies of water Lake Union and Elliott Bay. About 737,015 people live here (as of 2020). Between 2010 and 2020, the population grew from 608,660 to 737,015. The region is at 40 meters above sea level. The area covers about 369.2 square kilometers. The region is divided into 1 Subregions. The region was founded in 1851. The postal codes are 98101–98199. The dialing code is 206. Seattle is city in and county seat of King County, State of Washington, United States. More information at
seattle.gov.