Outline of Washington

The following outline is provided as an overview of and topical guide to the U.S. state of Washington:

Washington is a state in the Pacific Northwest region of the United States, and is named after George Washington, the first President of the United States (it is the only U.S. state named after a president). 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 42nd state in 1889. The state's population at the 2010 United States Census was 6,724,540. Washington is often called Washington State or the state of Washington to distinguish it from Washington, D.C.