Statewide Delegates: Proportional - a 20% threshold is required to receive delegates. Congressional District Delegates: Winner Take all if Majority, otherwise top-vote getter wins two delegates and the candidate with the next highest number of votes receives one delegate
Source for Popular Vote data: Washington Secretary of State. May 24, 2016 Presidential Primary Results, Washington Secretary of State (http://results.vote.wa.gov/results/current/export/20160524_AllCounties.csv) (accessed 07 Jul 2016)