Voting is expected to take place throughout the state from 7:00 a.m. until 8:00 p.m . In the closed primary , candidates must meet a threshold of 15 percent at the congressional district or statewide level in order to be considered viable . The 153 pledged delegates to the 2020 Democratic National Convention will be allocated proportionally on the basis of the results of the primary . Of the 153 pledged delegates , between 4 and 10 are allocated to each of the state 's 18 congressional districts and another 20 are allocated to party leaders and elected officials ( PLEO delegates ) , in addition to 33 at-large pledged delegates . These delegate totals do not account for pledged delegate bonuses or penalties from timing or clustering
2020 Democratic National Convention
2020 Democratic National Convention
2020 Pennsylvania Democratic primary