From American Conservative Union Foundation’s Center for Legislative Accountability.
The full South Carolina ratings are available at: ACU SC Ratings 2021
| District | Legislator | Party | 2021 | 2020 | Lifetime average | |
| SENATE | 14 | Harvey Peeler | R | 76% | 75% | 53% |
| SENATE | 15 | Wes Climer | R | 76% | 67% | 65% |
| SENATE | 16 | Michael Johnson | R | 76% | n/a | 76% |
| SENATE | 17 | Mike Fanning | D | 38% | 27% | 29% |
| HOUSE | 26 | Raye Felder | R | 53% | 67% | 63% |
| HOUSE | 29 | Dennis Moss | R | 60% | 60% | 58% |
| HOUSE | 30 | Stephen Moss | R | n/a | 78% | 58% |
| HOUSE | 43 | Randy Licon | R | 55% | 62% | 53% |
| HOUSE | 45 | Brandon Newton | R | 53% | 61% | 56% |
| HOUSE | 46 | Gary Simrill | R | 47% | 57% | 52% |
| HOUSE | 47 | Tommy Pope | R | 47% | 57% | 52% |
| HOUSE | 48 | Bruce Bryant | R | 58% | n/a | 58% |
| HOUSE | 49 | John King | D | 19% | 27% | 23% |
