page_title: King County, Washington
section_title: Geography
hierarchical_section_title: King County, Washington / Geography
caption_attribution_description: English: King Couny, WA from U.S. Census Bureau
context_page_description: King County is a county located in the U.S. state of Washington. The population was 2,252,782 in the 2019 census estimate, making it the most populous county in Washington, and the 12th-most populous in the United States. The county seat is Seattle, also the state's most populous city.
  King County is one of three Washington counties that are included in the Seattle–Tacoma–Bellevue metropolitan statistical area. About two-thirds of King County's population lives in Seattle's suburbs.
context_section_description: According to the U.S. Census Bureau, the county has a total area of 2,307 square miles (5,980 km²), of which 2,116 square miles (5,480 km²) is land and 191 square miles (490 km²) (8.3%) is water. King County has nearly twice the land area of the state of Rhode Island. The highest point in the county is Mount Daniel at 7,959 feet (2,426 meters) above sea level.
  King County borders Snohomish County to the north, Kitsap County to the west, Kittitas County to the east, and Pierce County to the south. It also shares a small border with Chelan County to the northeast. King County includes Vashon Island and Maury Island in Puget Sound.
caption: Map of King County
exif: {}