These are tables of congressional delegations from the state of Washington to the United States Senate and United States House of Representatives.
From 1889 to 1909, members were elected At-large, statewide.
As of January 2017[update], there are nineteen former members of the U.S. House of Representatives from the U.S. State of Washington who are currently living at this time.
As of April 2015[update], there are two former U.S. Senators from the U.S. State of Washington who are currently living at this time, two from Class 1.