Political party strength in Washington (state)

The following table indicates the party of elected officials in the U.S. state of Washington:

The table also indicates the historical party composition in the:

For years in which a presidential election was held, the table indicates which party's nominees received the state's electoral votes.

The parties are as follows:   Democratic (D),   Nonpartisan (NP),   Populist (P),   Republican (R), and   a tie or coalition within a group of elected officials.