Maurice Washington leads the SC-06 Republican primary with trader consensus reflecting his prior service on Charleston City Council and as Charleston County Republican Party chair, providing established name recognition and organizational ties ahead of the June 9 vote. John Peterson trails as a lesser-known contender whose background centers on local precinct leadership and prior campaign work. With no incumbent in the race and limited polling available, the market pricing aligns with Washington's structural advantages in a low-visibility contest. The primary outcome will determine the Republican nominee for the solidly Democratic district currently held by Jim Clyburn.