| 1 | Blythewood town (east) | 10,961 |
| 2 | Columbia city (northeast 2) | 9,299 |
| 3 | Unincorporated (northeast 2) | 9,070 |
| 4 | Columbia city (east) | 9,065 |
| 5 | Columbia city (east-southeast 4) | 9,001 |
| 6 | Unincorporated (north-northeast 2) | 8,786 |
| 7 | St. Andrews CDP (west-northwest 2) | 8,048 |
| 8 | Blythewood town (south) | 7,541 |
| 9 | Columbia city (south-southwest 4) | 7,202 |
| 10 | Irmo town (south-southeast) | 7,168 |
| 11 | Lake Murray of Richland CDP (north-northwest) | 7,155 |
| 12 | Unincorporated (northwest 2) | 7,004 |
| 13 | Columbia city (southeast 1) | 6,993 |
| 14 | Irmo town (northwest) | 6,851 |
| 15 | Columbia city (south-southeast 6) | 6,608 |
| 16 | Unincorporated (northeast 1) | 6,564 |
| 17 | Blythewood town (northwest) | 6,549 |
| 18 | Columbia city (northeast 1) | 6,498 |
| 19 | Unincorporated (west) | 6,128 |
| 20 | Blythewood town (west-southwest) | 6,117 |
| 21 | Dentsville CDP (east-northeast) | 6,013 |
| 22 | Woodfield CDP (west-northwest) | 5,937 |
| 23 | Woodfield CDP (east-southeast) | 5,534 |
| 24 | Columbia city (southeast 3) | 5,522 |
| 25 | Columbia city (south-southeast 1) | 5,472 |
| 26 | Irmo town (east-southeast) | 5,354 |
| 27 | St. Andrews CDP (west-northwest 1) | 5,304 |
| 28 | Dentsville CDP (east-southeast) | 5,255 |
| 29 | Columbia city (northeast 3) | 5,251 |
| 30 | Unincorporated (northwest 1) | 5,222 |
| 31 | Blythewood town (northeast) | 5,028 |
| 32 | Dentsville CDP (north) | 4,985 |
| 33 | Columbia city (east-southeast 1) | 4,959 |
| 34 | Columbia city (southeast 2) | 4,913 |
| 35 | Unincorporated (southeast 1) | 4,870 |
| 36 | Columbia city (east-southeast 3) | 4,858 |
| 37 | Unincorporated (north-northeast 1) | 4,767 |
| 38 | Lake Murray of Richland CDP (south-southeast) | 4,743 |
| 39 | Columbia city (north 1) | 4,639 |
| 40 | Dentsville CDP (north-northeast) | 4,620 |
| 41 | Columbia city (northwest 1) | 4,606 |
| 42 | Eastover town | 4,510 |
| 43 | Columbia city (west-northwest 1) | 4,501 |
| 44 | St. Andrews CDP (east-southeast) | 4,258 |
| 45 | Unincorporated (southeast 2) | 4,252 |
| 46 | Columbia city (west-northwest 3) | 4,243 |
| 47 | Columbia city (southwest 4) | 4,218 |
| 48 | St. Andrews CDP (east) | 4,164 |
| 49 | Cayce city | 4,135 |
| 50 | Columbia city (southwest 5) | 4,129 |
| 51 | Unincorporated (east-northeast) | 3,941 |
| 52 | Forest Acres city (north) | 3,842 |
| 53 | Columbia city (west-northwest 2) | 3,771 |
| 54 | Unincorporated (east) | 3,738 |
| 55 | Forest Acres city (southwest) | 3,721 |
| 56 | Columbia city (south-southeast 5) | 3,426 |
| 57 | Columbia city (north-northwest 1) | 3,402 |
| 58 | Forest Acres city (west) | 3,377 |
| 59 | Columbia city (north 2) | 3,365 |
| 60 | St. Andrews CDP (south-southeast) | 3,293 |
| 61 | Columbia city (south-southeast 2) | 3,244 |
| 62 | Columbia city (west-southwest 1) | 3,239 |
| 63 | Columbia city (northwest 2) | 3,230 |
| 64 | Forest Acres city (northeast) | 2,953 |
| 65 | Columbia city (northwest 4) | 2,940 |
| 66 | Dentsville CDP (west) | 2,909 |
| 67 | Forest Acres city (east) | 2,864 |
| 68 | Columbia city (south-southwest 2) | 2,819 |
| 69 | Columbia city (south 1) | 2,789 |
| 70 | Gadsden CDP | 2,784 |
| 71 | Columbia city (southwest 1) | 2,761 |
| 72 | Columbia city (south 3) | 2,705 |
| 73 | Columbia city (west-northwest 4) | 2,644 |
| 74 | Columbia city (south-southwest 1) | 2,589 |
| 75 | Columbia city (southwest 3) | 2,502 |
| 76 | Columbia city (east-southeast 2) | 2,501 |
| 77 | Hopkins CDP | 2,424 |
| 78 | Columbia city (south-southeast 4) | 2,359 |
| 79 | Columbia city (northwest 3) | 2,350 |
| 80 | Columbia city (west-southwest 2) | 2,221 |
| 81 | Columbia city (west 5) | 2,185 |
| 82 | Dentsville CDP (southwest 2) | 2,177 |
| 83 | Columbia city (southwest 2) | 2,051 |
| 84 | Columbia city (west 2) | 2,040 |
| 85 | Forest Acres city (south) | 2,016 |
| 86 | Columbia city (south-southeast 3) | 1,991 |
| 87 | Dentsville CDP (southwest 1) | 1,940 |
| 88 | Columbia city (west-southwest 3) | 1,913 |
| 89 | Columbia city (west-northwest 6) | 1,815 |
| 90 | Columbia city (west 3) | 1,735 |
| 91 | Columbia city (west 4) | 1,688 |
| 92 | Columbia city (north-northwest 2) | 1,448 |
| 93 | Columbia city (south-southwest 3) | 1,281 |
| 94 | Columbia city (west-northwest 5) | 1,262 |
| 95 | Columbia city (west 1) | 1,243 |
| 96 | Columbia city (south 2) | 1,133 |
| 97 | Columbia city (north 3) | 876 |
| 98 | Columbia city (east-northeast) | 358 |