

King), preserving the name "King County" while changing its namesake. On February 24, 1986, the King County Council approved a motion to rename the county to honor civil rights leader Martin Luther King Jr. Name King County's former flag, used from the 1980s to the 2000s By 1880, King County produced 22% of the coal mined on the West Coast, most of that coal being found within the Renton Formation's Muldoon coal seam. The Seattle and Walla Walla Railroad started servicing the Renton coal fields in 1877, and the Newcastle fields in 1878. Bigelow along the Black River, and in subsequent decades several companies formed to mine coal around Lake Washington and deliver it to Seattle. According to historian Bill Speidel, when peninsular prohibitionists threatened to shut down Seattle's saloons, Doc Maynard engineered a peninsular independence movement King County lost what is now Kitsap County but preserved its entertainment industry. King County originally extended to the Olympic Peninsula. The area became part of the Washington Territory when it was created later that year. Seattle was made the county seat on January 11, 1853. King, who had just been elected Vice President of the United States under President Franklin Pierce. The county was formed out of territory within Thurston County on December 22, 1852, by the Oregon Territory legislature and was named after Alabamian William R. The local tribes provided the settlers with construction labor, domestic service, and help with subsistence activities.

In the first winter after the Denny Party landed at Alki Point, the settlement at the point consisted of a few dozen settlers and over a thousand Native Americans. The Green River and White River were home for the Muckleshoot tribal groups. The Snoqualmie Indian Tribe occupied the area that would become eastern King County. Villages around the site that would become Seattle were primarily populated by the Duwamish people. When Europeans arrived in the region that would become King County, it was inhabited by several Coast Salish groups. (The others are Snohomish County to the north, and Pierce County to the south.) About two-thirds of King County's population lives in Seattle's suburbs. It is one of three Washington counties that are included in the Seattle– Tacoma– Bellevue metropolitan statistical area. The county is named after Martin Luther King Jr., a prominent civil rights activist during the Civil Rights Movement. The county seat is Seattle, also the state's most populous city. The population was 2,269,675 in the 2020 census, making it the most populous county in Washington, and the 13th-most populous in the United States.
