| 1 | Hayes CDP (southwest) | 12,059 |
| 2 | Prien CDP (west-southwest) | 6,414 |
| 3 | Sulphur city (east) | 6,275 |
| 4 | Carlyss CDP (west) | 6,115 |
| 5 | Gillis CDP (east-southeast) | 5,798 |
| 6 | Moss Bluff CDP (north) | 5,400 |
| 7 | Lake Charles city (south) | 5,360 |
| 8 | Hayes CDP (east-southeast) | 5,302 |
| 9 | Starks CDP (east) | 5,193 |
| 10 | Prien CDP (south-southwest) | 5,161 |
| 11 | Lake Charles city (southeast 1) | 5,135 |
| 12 | Starks CDP (south) | 5,096 |
| 13 | Gillis CDP (west-northwest) | 5,070 |
| 14 | Lake Charles city (east) | 4,787 |
| 15 | Westlake city (west-northwest 1) | 4,532 |
| 16 | Sulphur city (south-southeast) | 4,452 |
| 17 | Gillis CDP (north) | 4,440 |
| 18 | Lake Charles city (west-southwest) | 4,380 |
| 19 | Lake Charles city (southwest) | 4,212 |
| 20 | Lake Charles city (northeast 2) | 4,194 |
| 21 | Hayes CDP (north-northwest 1) | 4,041 |
| 22 | DeQuincy city (south-southeast) | 3,984 |
| 23 | Prien CDP (east) | 3,947 |
| 24 | Prien CDP (northwest) | 3,873 |
| 25 | Prien CDP (northeast 1) | 3,772 |
| 26 | Prien CDP (northeast 2) | 3,765 |
| 27 | Moss Bluff CDP (west) | 3,711 |
| 28 | Westlake city (west-northwest 2) | 3,659 |
| 29 | Prien CDP (north 1) | 3,654 |
| 30 | Lake Charles city (northwest) | 3,593 |
| 31 | Iowa town | 3,413 |
| 32 | Vinton town | 3,228 |
| 33 | Lake Charles city (north-northeast) | 3,217 |
| 34 | DeQuincy city (northwest) | 3,210 |
| 35 | Moss Bluff CDP (south-southeast 1) | 3,194 |
| 36 | Sulphur city (northwest) | 3,189 |
| 37 | Moss Bluff CDP (northwest) | 3,121 |
| 38 | Lake Charles city (west) | 3,107 |
| 39 | Moss Bluff CDP (east) | 3,097 |
| 40 | Starks CDP (west) | 2,975 |
| 41 | Moss Bluff CDP (north-northwest) | 2,949 |
| 42 | Lake Charles city (southeast 2) | 2,849 |
| 43 | Lake Charles city (northeast 1) | 2,683 |
| 44 | Sulphur city (west-southwest) | 2,544 |
| 45 | Prien CDP (north 2) | 2,529 |
| 46 | Lake Charles city (north) | 2,495 |
| 47 | Carlyss CDP (south-southwest) | 2,476 |
| 48 | DeQuincy city (north-northeast) | 2,223 |
| 49 | Carlyss CDP (north-northeast) | 1,996 |
| 50 | Moss Bluff CDP (south-southeast 2) | 1,724 |
| 51 | Moss Bluff CDP (south) | 1,623 |
| 52 | Westlake city (east-southeast) | 1,271 |
| 53 | Westlake city (east) | 1,170 |
| 54 | Starks CDP (northwest) | 1,011 |