It was made more compact in the 2010 round of redistricting .
It was now comprises all of Lexington , Aiken and Barnwell counties , most of Richland County , and part of Orangeburg County .
It was made more compact in the 2010 round of redistricting , and now comprises all of Lexington , Aiken and Barnwell counties , most of Richland County , and part of Orangeburg County .