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: South Carolina State Election Commission. 2020 Democratic Presidential Preference Primary Official Results, South Carolina State Election Commission (https://www.enr-scvotes.org/SC/100517) (accessed 11 Aug 2020)