It currently holds the longest streak of Democratic governors in the nation, having last elected a Republican to the top executive office in 1980.
At the presidential level, Washington is part of the "blue wall", having voted for all Democratic nominees since 1988.
The nine members of the Washington Supreme Court are also elected statewide to six-year terms but on a nonpartisan basis and are not listed here.
For years in which a presidential election was held, the table indicates which party's nominees received the state's electoral votes.
The first territorial superintendent of public education was elected by the legislature in 1861 to a three-year term, but the position was disestablished after just one year.