| 1 | Charleston city (southwest 3) | 11,237 |
| 2 | Mount Pleasant town (north-northeast 2) | 10,344 |
| 3 | Charleston city (west 5) | 9,919 |
| 4 | Mount Pleasant town (east-northeast) | 9,174 |
| 5 | Ladson CDP | 9,026 |
| 6 | Mount Pleasant town (north 1) | 8,401 |
| 7 | Charleston city (west 3) | 8,361 |
| 8 | Mount Pleasant town (west-southwest 2) | 7,979 |
| 9 | North Charleston city (north-northwest 3) | 7,524 |
| 10 | North Charleston city (northwest 2) | 7,263 |
| 11 | North Charleston city (south-southwest) | 7,002 |
| 12 | Charleston city (northwest 2) | 6,923 |
| 13 | Mount Pleasant town (west-northwest) | 6,840 |
| 14 | Mount Pleasant town (north-northeast 1) | 6,750 |
| 15 | Charleston city (west 4) | 6,579 |
| 16 | Mount Pleasant town (south-southwest 1) | 6,571 |
| 17 | Charleston city (east-northeast 6) | 6,390 |
| 18 | Charleston city (southeast 1) | 6,171 |
| 19 | Charleston city (east-southeast 3) | 6,065 |
| 20 | Charleston city (west-northwest 2) | 5,996 |
| 21 | Mount Pleasant town (north 2) | 5,955 |
| 22 | Mount Pleasant town (south) | 5,930 |
| 23 | North Charleston city (north-northwest 2) | 5,872 |
| 24 | Charleston city (southeast 2) | 5,847 |
| 25 | Mount Pleasant town (southwest 1) | 5,594 |
| 26 | Mount Pleasant town (southwest 2) | 5,562 |
| 27 | North Charleston city (northwest 1) | 5,455 |
| 28 | Mount Pleasant town (east) | 5,421 |
| 29 | Charleston city (northwest 3) | 5,391 |
| 30 | North Charleston city (south) | 5,224 |
| 31 | North Charleston city (west-northwest) | 5,219 |
| 32 | Charleston city (west-northwest 1) | 5,042 |
| 33 | Folly Beach city (west-southwest 2) | 5,020 |
| 34 | James Island town | 5,001 |
| 35 | Mount Pleasant town (southwest 3) | 4,972 |
| 36 | North Charleston city (east 2) | 4,957 |
| 37 | Hollywood town | 4,817 |
| 38 | North Charleston city (north-northwest 4) | 4,691 |
| 39 | Charleston city (south-southeast) | 4,669 |
| 40 | Charleston city (west-southwest) | 4,582 |
| 41 | Folly Beach city (west-southwest 1) | 4,420 |
| 42 | Mount Pleasant town (south-southeast) | 4,386 |
| 43 | Charleston city (west-northwest 3) | 4,032 |
| 44 | Charleston city (south-southwest 1) | 3,952 |
| 45 | Charleston city (southwest 2) | 3,873 |
| 46 | Charleston city (east-southeast 2) | 3,866 |
| 47 | Charleston city (east-northeast 5) | 3,860 |
| 48 | North Charleston city (north-northwest 1) | 3,761 |
| 49 | Awendaw town (east-northeast) | 3,667 |
| 50 | North Charleston city (southeast 3) | 3,667 |
| 51 | Charleston city (north-northwest) | 3,627 |
| 52 | North Charleston city (east-southeast 3) | 3,598 |
| 53 | Charleston city (west 2) | 3,461 |
| 54 | North Charleston city (west-southwest) | 3,443 |
| 55 | Charleston city (east-southeast 1) | 3,423 |
| 56 | Charleston city (east 2) | 3,377 |
| 57 | Charleston city (north) | 3,377 |
| 58 | North Charleston city (east 1) | 3,372 |
| 59 | North Charleston city (east-southeast 2) | 3,341 |
| 60 | North Charleston city (northwest 3) | 3,327 |
| 61 | Charleston city (west 1) | 3,268 |
| 62 | North Charleston city (south-southeast) | 3,223 |
| 63 | North Charleston city (east-southeast 1) | 3,212 |
| 64 | Charleston city (east-northeast 4) | 3,008 |
| 65 | Charleston city (east 6) | 2,947 |
| 66 | Charleston city (northwest 1) | 2,936 |
| 67 | Rockville town | 2,702 |
| 68 | Meggett town (east-northeast) | 2,692 |
| 69 | Charleston city (northeast 2) | 2,651 |
| 70 | Charleston city (north-northeast 1) | 2,591 |
| 71 | Isle of Palms city (northeast) | 2,589 |
| 72 | Adams Run CDP | 2,571 |
| 73 | Charleston city (east-northeast 1) | 2,553 |
| 74 | North Charleston city (southeast 1) | 2,530 |
| 75 | Charleston city (south-southwest 2) | 2,405 |
| 76 | Charleston city (east-northeast 3) | 2,307 |
| 77 | Charleston city (north-northeast 2) | 2,284 |
| 78 | Charleston city (east 4) | 2,233 |
| 79 | Seabrook Island town | 2,219 |
| 80 | Kiawah Island town | 2,196 |
| 81 | Sullivan's Island town | 2,127 |
| 82 | North Charleston city (southeast 2) | 2,082 |
| 83 | Mount Pleasant town (south-southwest 2) | 2,013 |
| 84 | Charleston city (southwest 1) | 1,995 |
| 85 | Mount Pleasant town (west-southwest 1) | 1,911 |
| 86 | North Charleston city (west) | 1,845 |
| 87 | Isle of Palms city (southwest) | 1,761 |
| 88 | Unincorporated | 1,543 |
| 89 | Charleston city (northeast 1) | 1,440 |
| 90 | Awendaw town (west-southwest) | 1,436 |
| 91 | Charleston city (east 7) | 1,425 |
| 92 | Meggett town (west-southwest) | 1,349 |
| 93 | Charleston city (east 1) | 1,338 |
| 94 | Charleston city (east-northeast 2) | 1,328 |
| 95 | North Charleston city (east-southeast 4) | 1,324 |
| 96 | Charleston city (east 3) | 1,275 |
| 97 | Charleston city (east 5) | 1,088 |
| 98 | Folly Beach city (south-southwest) | 748 |