Precincts are reporting results from the South Carolina Republican primary. These are the most detailed votes available for this race. The map above shows the leading candidate in each precinct.

See precinct results for the South Carolina Democratic primary. These are the most detailed votes available for the 2020 presidential election contest.

Joe Cunningham wasn't supposed to win. South Carolina's 1st Congressional District has long been considered a reliable seat for Republicans in ruby-red South Carolina.