| 1 | Lafayette city (south-southeast 3) | 20.8% |
| 2 | Carencro city (west-southwest) | 18.3% |
| 3 | Youngsville city (north-northeast) | 17.9% |
| 4 | Lafayette city (south-southeast 2) | 15.4% |
| 5 | Carencro city (northwest) | 14.9% |
| 6 | Lafayette city (southwest 3) | 14.8% |
| 7 | Lafayette city (east-southeast) | 14.5% |
| 8 | Ossun CDP | 14.1% |
| 9 | Scott city (west-southwest) | 13.8% |
| 10 | Lafayette city (southeast) | 13.5% |
| 11 | Scott city (northeast) | 13.4% |
| 12 | Lafayette city (southwest 2) | 12.8% |
| 13 | Lafayette city (west 1) | 12.8% |
| 14 | Lafayette city (southwest 5) | 12.4% |
| 15 | Lafayette city (north-northeast 3) | 12% |
| 16 | Lafayette city (north-northeast 2) | 11.9% |
| 17 | Lafayette city (southwest 1) | 11.8% |
| 18 | Carencro city (southeast) | 11.6% |
| 19 | Lafayette city (north 4) | 11.5% |
| 20 | Lafayette city (south 2) | 11.3% |
| 21 | Lafayette city (southwest 4) | 10.6% |
| 22 | Lafayette city (north-northeast 1) | 10.4% |
| 23 | Lafayette city (south-southeast 1) | 10.3% |
| 24 | Broussard city (east) | 10.2% |
| 25 | Lafayette city (south 1) | 10% |
| 26 | Lafayette city (west-northwest 1) | 10% |
| 27 | Lafayette city (east-northeast 1) | 9.8% |
| 28 | Lafayette city (northeast 2) | 9.8% |
| 29 | Lafayette city (east-northeast 2) | 9.6% |
| 30 | Unincorporated (northeast) | 9.6% |
| 31 | Lafayette city (south-southwest 2) | 9.5% |
| 32 | Youngsville city (north-northwest) | 8.8% |
| 33 | Youngsville city (southeast) | 7.8% |
| 34 | Lafayette city (north 3) | 7.6% |
| 35 | Lafayette city (north 5) | 7.5% |
| 36 | Lafayette city (south-southeast 5) | 7.3% |
| 37 | Lafayette city (northeast 3) | 7.1% |
| 38 | Lafayette city (west 2) | 7% |
| 39 | Lafayette city (south-southwest 1) | 5.9% |
| 40 | Youngsville city (southwest) | 5.9% |
| 41 | Unincorporated (southwest) | 5.7% |
| 42 | Lafayette city (north-northwest 1) | 5% |
| 43 | Duson town | 4.8% |
| 44 | Lafayette city (west-southwest) | 4.6% |
| 45 | Lafayette city (west-northwest 2) | 4% |
| 46 | Carencro city (east) | 3.9% |
| 47 | Lafayette city (northeast 1) | 3.7% |
| 48 | Lafayette city (west 3) | 3.7% |
| 49 | Lafayette city (north 1) | 3.5% |
| 50 | Broussard city (west) | 2.9% |
| 51 | Scott city (southeast) | 2.9% |
| 52 | Lafayette city (south-southeast 4) | 2.1% |
| 53 | Lafayette city (north-northwest 2) | 1.2% |
| 54 | Scott city (south-southwest) | 1.2% |
| 55 | Lafayette city (north 2) | 1% |
| 56 | Milton CDP | 0.6% |
| 57 | Lafayette city (north-northeast 4) | 0% |
| 58 | Scott city (north-northeast) | 0% |