Statewide Delegates: Proportional - the candidates are awarded delegates in proportion to the percentage of votes received. - a 15% threshold is required to receive delegates. Congressional District Delegates: Proportional - the candidates are awarded delegates in proportion to the percentage of votes received. - a 15% threshold is required to receive delegates.
Source for Popular Vote data: District of Columbia Board of Ethics and Elections. Primary Election 2016 - Certified Results, District of Columbia Board of Ethics and Elections (https://www.dcboee.org/election_info/election_results/v3/2016/June-14-Primary-Election) (accessed 08 Jul 2016)