Washington (U.S. state)
Washington is a state in the Pacific Northwest region of the United States. Washington was carved out of the western part of Washington Territory which had been ceded by Britain in 1846 by the Oregon Treaty as settlement of the Oregon Boundary Dispute. It was admitted to the Union as the forty-second state in 1889. The United States Census Bureau estimated the state's population to be 6,664,195 in 2009.