| District ID | 3rd District |
| Representative | Jeff Duncan |
| Party Affiliation | Republican |
| Partisan Voting Index (PVI) | R+19 |
| 29899 |
| 29860 |
| 29848 |
| 29847 |
| 29845 |
| 29844 |
| 29840 |
| 29838 |
| 29835 |
| 29832 |
| 29824 |
| 29821 |
| 29819 |
| 29697 |
| 29696 |
| 29693 |
| 29692 |
| 29691 |
| 29689 |
| 29686 |
| 29685 |
| 29684 |
| 29682 |
| 29681 |
| 29680 |
| 29678 |
| 29676 |
| 29673 |
| 29672 |
| 29671 |
| 29670 |
| 29669 |
| 29667 |
| 29666 |
| 29664 |
| 29661 |
| 29659 |
| 29658 |
| 29657 |
| 29655 |
| 29654 |
| 29653 |
| 29649 |
| 29646 |
| 29645 |
| 29644 |
| 29643 |
| 29642 |
| 29640 |
| 29639 |
| 29638 |
| 29635 |
| 29634 |
| 29631 |
| 29630 |
| 29628 |
| 29627 |
| 29626 |
| 29625 |
| 29624 |
| 29621 |
| 29620 |
| 29611 |
| 29388 |
| 29384 |
| 29370 |
| 29360 |
| 29355 |
| 29351 |
| 29335 |
| 29332 |
| 29325 |
| 29178 |
| 29166 |
| 29145 |
| 29138 |
| 29129 |
| 29127 |
| 29126 |
| 29108 |
| 29105 |
| 29075 |
| 29070 |
| 29037 |
| 29006 |