The 2012 Washington State Auditor election was held on November 6, 2012, to elect the Washington State Auditor, concurrently with the 2012 U.S. presidential election, as well as elections to the U.S. Senate and various state and local elections, including for U.S. House and governor of Washington. Washington is one of two states that holds a top-two primary, meaning that all candidates are listed on the same ballot regardless of party affiliation, and the top two move on to the general election.
Five-term incumbent Democratic State Auditor Brian Sonntag retired. Democratic state Representative Troy Kelley defeated Republican James Watkins to succeed Sonntag.
The top-two primary was held on August 7.
Counties that flipped from Democratic to Republican
Kelley won five of ten congressional districts, with the remaining five going to Watkins, including one that elected a Democrat.