| 1 | Charleston city (east-southeast 1) | 98.4% |
| 2 | Kiawah Island town | 98.1% |
| 3 | Mount Pleasant town (west-southwest 1) | 95.8% |
| 4 | Mount Pleasant town (north 2) | 94.6% |
| 5 | Seabrook Island town | 94.5% |
| 6 | Isle of Palms city (northeast) | 94% |
| 7 | Charleston city (south-southwest 2) | 93.3% |
| 8 | Awendaw town (west-southwest) | 93.2% |
| 9 | Meggett town (east-northeast) | 93.1% |
| 10 | Charleston city (north-northeast 2) | 92.4% |
| 11 | Rockville town | 90.6% |
| 12 | Charleston city (south-southwest 1) | 90.3% |
| 13 | Mount Pleasant town (north 1) | 90.3% |
| 14 | Mount Pleasant town (north-northeast 2) | 89.9% |
| 15 | Charleston city (east-southeast 3) | 89.8% |
| 16 | Charleston city (northwest 3) | 89.6% |
| 17 | Unincorporated | 89.2% |
| 18 | Hollywood town | 88.9% |
| 19 | Meggett town (west-southwest) | 88.9% |
| 20 | Folly Beach city (south-southwest) | 88.7% |
| 21 | Adams Run CDP | 88.5% |
| 22 | Mount Pleasant town (east) | 87.2% |
| 23 | Isle of Palms city (southwest) | 85.7% |
| 24 | Awendaw town (east-northeast) | 85.3% |
| 25 | Charleston city (southeast 1) | 85.2% |
| 26 | Sullivan's Island town | 84.6% |
| 27 | North Charleston city (east 1) | 84.2% |
| 28 | Charleston city (south-southeast) | 83.1% |
| 29 | Charleston city (southwest 3) | 82.6% |
| 30 | Mount Pleasant town (north-northeast 1) | 81.2% |
| 31 | Charleston city (southwest 2) | 81% |
| 32 | Charleston city (east 1) | 80.6% |
| 33 | Mount Pleasant town (southwest 2) | 80.5% |
| 34 | Charleston city (west-southwest) | 80.4% |
| 35 | Charleston city (east 4) | 80% |
| 36 | Mount Pleasant town (south-southwest 1) | 79% |
| 37 | Mount Pleasant town (southwest 3) | 78.4% |
| 38 | North Charleston city (northwest 3) | 76.9% |
| 39 | North Charleston city (west-southwest) | 75.9% |
| 40 | Ladson CDP | 75.3% |
| 41 | Charleston city (southwest 1) | 75.2% |
| 42 | James Island town | 75% |
| 43 | Mount Pleasant town (west-northwest) | 73% |
| 44 | Charleston city (east-northeast 1) | 71.8% |
| 45 | Charleston city (west 3) | 70.7% |
| 46 | Folly Beach city (west-southwest 2) | 69.2% |
| 47 | Charleston city (east-southeast 2) | 69% |
| 48 | Mount Pleasant town (east-northeast) | 68.7% |
| 49 | Charleston city (east-northeast 6) | 65.7% |
| 50 | Mount Pleasant town (south-southwest 2) | 65% |
| 51 | North Charleston city (south-southeast) | 64.3% |
| 52 | Charleston city (north) | 63.6% |
| 53 | Charleston city (west-northwest 3) | 63.5% |
| 54 | Charleston city (west 4) | 62.9% |
| 55 | Mount Pleasant town (south-southeast) | 61.7% |
| 56 | Mount Pleasant town (south) | 61.6% |
| 57 | Charleston city (west-northwest 1) | 60.6% |
| 58 | North Charleston city (north-northwest 3) | 59.6% |
| 59 | Charleston city (northeast 1) | 58.8% |
| 60 | North Charleston city (southeast 3) | 58.1% |
| 61 | Charleston city (north-northwest) | 56.8% |
| 62 | Mount Pleasant town (west-southwest 2) | 55.9% |
| 63 | Charleston city (west 5) | 55.2% |
| 64 | Folly Beach city (west-southwest 1) | 54.3% |
| 65 | North Charleston city (west-northwest) | 53.4% |
| 66 | Charleston city (northwest 1) | 53.1% |
| 67 | Charleston city (west-northwest 2) | 53.1% |
| 68 | Charleston city (west 1) | 52.6% |
| 69 | Charleston city (east 3) | 52.5% |
| 70 | Charleston city (east 7) | 49.3% |
| 71 | North Charleston city (east-southeast 1) | 47.1% |
| 72 | North Charleston city (north-northwest 1) | 46.7% |
| 73 | North Charleston city (south-southwest) | 45.7% |
| 74 | Charleston city (north-northeast 1) | 44.3% |
| 75 | Charleston city (southeast 2) | 41.4% |
| 76 | North Charleston city (southeast 1) | 40.7% |
| 77 | North Charleston city (northwest 2) | 40.2% |
| 78 | Mount Pleasant town (southwest 1) | 39.8% |
| 79 | Charleston city (east-northeast 4) | 39% |
| 80 | North Charleston city (east-southeast 3) | 37.5% |
| 81 | North Charleston city (east-southeast 4) | 34.7% |
| 82 | North Charleston city (south) | 34.6% |
| 83 | Charleston city (northwest 2) | 33% |
| 84 | North Charleston city (northwest 1) | 32.4% |
| 85 | North Charleston city (southeast 2) | 31.7% |
| 86 | Charleston city (east-northeast 3) | 30.4% |
| 87 | North Charleston city (east 2) | 28.4% |
| 88 | Charleston city (east 5) | 27.2% |
| 89 | North Charleston city (north-northwest 4) | 24% |
| 90 | Charleston city (northeast 2) | 23.3% |
| 91 | Charleston city (east-northeast 5) | 22.7% |
| 92 | Charleston city (east 2) | 22.4% |
| 93 | Charleston city (east-northeast 2) | 21.1% |
| 94 | North Charleston city (east-southeast 2) | 19.7% |
| 95 | North Charleston city (north-northwest 2) | 18.4% |
| 96 | Charleston city (west 2) | 12.6% |
| 97 | Charleston city (east 6) | 8.4% |
| 98 | North Charleston city (west) | 0% |