Statewide party caucuses and primaries were held in the spring of 2016 to determine the allocation of state delegates to the respective Democratic and Republican party national conventions. Bernie Sanders won the Democratic caucus in March, defeating Hillary Clinton and taking 73 percent of delegates; Donald Trump won the Republican primary, taking 76 percent of delegates. A non-binding primary for the Democratic party held in May resulted in a victory for Hillary Clinton.
All 10 of Washington's seats in the United States House of Representatives will be up for re-election in 2016. All but one of the incumbents will run for re-election, the exception being Jim McDermott (D) of the 7th district. McDermott's seat was won by Pramila Jayapal (D). The remaining seats were retained by the incumbents.
|United States Senate election in Washington, 2016|
|Democratic||Patty Murray (incumbent)||745,421||53.82|
|Republican||Eric John Makus||57,825||4.18|
|Independent||Donna Rae Lands||11,472||0.83|
|Democratic||Patty Murray (incumbent)||1,913,979||59.0|
|Washington Attorney General election, 2016|
|Democratic||Bob Ferguson (incumbent)||906,493||72.6|
|Democratic||Bob Ferguson (incumbent)||2,000,804||67.1|
|Washington gubernatorial election, 2016|
|Democratic||Jay Inslee (incumbent)||687,412||49.30|
|Democratic||James Robert Deal||14,623||1.05|
|Socialist Workers||Mary Martin||10,374||0.74|
|Democratic||Jay Inslee (incumbent)||1,760,520||54.2|
Four Democrats (three of whom were state senators), four Republicans, two third-party candidates, and one independent competed in the primary election. Marty McClendon (R) and Cyrus Habib (D) finished as top two and advanced to the general election, where Habib won by 9 points.
|Washington lieutenant gubernatorial election, 2016|
Five Democrats, one Republican, and one Libertarian competed in the primary. Steve McLaughlin (R) and Hilary Franz (D) finished as top two and advanced to the general election. Franz was elected with 53% of the vote.
|Washington Public Lands Commissioner election, 2016|
Incumbent Secretary of State Kim Wyman, elected in 2012 as the only Republican to hold a statewide office on the West Coast, is seeking reelection. Former Seattle City Councilmember Tina Podlodowski announced her bid in January 2016, seeking to become the first Democrat to hold the office since 1965. Wyman retained her seat with 55% of the vote.
|Washington Secretary of State election, 2016|
|Republican||Kim Wyman (incumbent)||645,614||47.90|
|Republican||Kim Wyman (incumbent)||1,713,004||54.7|
Incumbent State Auditor Troy Kelley, elected as a Democrat in 2012, was indicted over federal charges of felony theft and money-laundering. Several attempts to remove him from office, including a threat of impeachment by the legislature, proved unsuccessful. Kelley did not file to run for a second term.
Two Democratic, one Republican and two independent candidates competed in the primary. Mark Miloscia (R) and Pat McCarthy (D) finished as top two and advanced to the general election. McCarthy won by 5 points.
|Washington Secretary of State election, 2016|
Incumbent James McIntire announced on December 16, 2015, that he would not seek a third term as Washington State Treasurer. Five candidates are running to succeed him: state senator Marko Liias, former Port of Seattle commissioner Alec Fisken, pension consultant John Paul Comerford, Benton County treasurer Duane Davidson, and investment firm executive Michael Waite. Liias, Fisken, and Comerford are running as Democrats; Davidson and Waite, as Republicans.
|Washington State Treasurer election, 2016|
|Democratic||John Paul Comerford||230,904||17.97|
|Republican gain from Democratic|
Incumbent Randy Dorn declined to run for a third term as Superintendent of Public Instruction. Nine candidates ran in the nonpartisan election. Erin Jones and Chris Reykdal finished as top two and advanced to the general election. In a close race, Reykdal edged out Jones by one point. Jones conceded the election on November 22.
Twenty-five of the forty-nine seats in the Washington State Senate were up for election. Republicans held a narrow majority in the Senate, taking 26 seats compared to 23 for the Democrats. Seven incumbent senators retired, creating vacancies that had the potential to swing the split of party votes. A Democrat defeated the Republican incumbent in District 41, leaving Republicans with a one-seat majority.
All 98 seats in the Washington House of Representatives were up for election. The outgoing House had a narrow Democratic majority, with 50 seats compared to the Republicans' 48. Both parties picked up seats from the other party, resulting in the same overall composition.