| 1 | Huntsville city (south) | 28.5% |
| 2 | Harvest CDP (southwest 1) | 26.9% |
| 3 | Redstone Arsenal CDP (south-southeast 4) | 26.3% |
| 4 | Harvest CDP (north-northwest) | 25.3% |
| 5 | Redstone Arsenal CDP (northwest 3) | 24.5% |
| 6 | Gurley town (northwest 2) | 23.7% |
| 7 | Madison city (south-southwest) | 23.7% |
| 8 | Madison city (southeast) | 23.2% |
| 9 | Huntsville city (north) | 22.8% |
| 10 | Meridianville CDP (north-northwest) | 22.6% |
| 11 | Gurley town (south) | 22.3% |
| 12 | Madison city (east-northeast) | 21.8% |
| 13 | Gurley town (south-southeast) | 21.7% |
| 14 | Huntsville city (north-northeast) | 21.6% |
| 15 | Madison city (southwest) | 21.3% |
| 16 | Gurley town (east) | 19.8% |
| 17 | Meridianville CDP (east 1) | 19.4% |
| 18 | New Hope city (west-northwest) | 19.1% |
| 19 | Redstone Arsenal CDP (south-southeast 2) | 18.9% |
| 20 | New Hope city (southwest) | 18.8% |
| 21 | Harvest CDP (east-southeast) | 18.7% |
| 22 | Redstone Arsenal CDP (west-northwest 1) | 18.6% |
| 23 | Huntsville city (northwest 1) | 18.2% |
| 24 | Madison city (east-southeast) | 18.2% |
| 25 | Gurley town (southeast) | 17.1% |
| 26 | Triana town (northwest) | 17.1% |
| 27 | Madison city (north-northwest 1) | 16.8% |
| 28 | Huntsville city (north-northwest) | 16.7% |
| 29 | Triana town (south) | 16.7% |
| 30 | Huntsville city (south-southeast 1) | 16.2% |
| 31 | Triana town (north-northeast) | 15.9% |
| 32 | Huntsville city (east-southeast) | 15.6% |
| 33 | Redstone Arsenal CDP (southeast 3) | 15.6% |
| 34 | Gurley town (northwest 4) | 15.3% |
| 35 | Redstone Arsenal CDP (southeast 1) | 15.2% |
| 36 | Meridianville CDP (east 2) | 15.1% |
| 37 | Triana town (east-northeast) | 15.1% |
| 38 | Huntsville city (southeast) | 15% |
| 39 | Huntsville city (northwest 2) | 14.8% |
| 40 | Redstone Arsenal CDP (west-northwest 3) | 14.7% |
| 41 | Harvest CDP (south) | 14% |
| 42 | Madison city (west) | 13.8% |
| 43 | Meridianville CDP (north-northeast) | 13.7% |
| 44 | Meridianville CDP (west-northwest) | 13.7% |
| 45 | Triana town (south-southeast) | 13.6% |
| 46 | Harvest CDP (southeast 1) | 13.4% |
| 47 | Redstone Arsenal CDP (south-southwest) | 13% |
| 48 | New Market CDP (northeast) | 12.9% |
| 49 | Owens Cross Roads town | 12.2% |
| 50 | Redstone Arsenal CDP (southeast 4) | 12.2% |
| 51 | Harvest CDP (southeast 2) | 11.8% |
| 52 | New Market CDP (northwest) | 11.5% |
| 53 | New Market CDP (southwest) | 11.5% |
| 54 | Huntsville city (southwest) | 11.4% |
| 55 | New Market CDP (south-southeast) | 11% |
| 56 | Harvest CDP (north) | 10.8% |
| 57 | Redstone Arsenal CDP (north-northwest 5) | 10.3% |
| 58 | Harvest CDP (southwest 2) | 10% |
| 59 | Gurley town (east-southeast) | 9.9% |
| 60 | Huntsville city (south-southeast 2) | 9.9% |
| 61 | Redstone Arsenal CDP (west-northwest 2) | 9.6% |
| 62 | Redstone Arsenal CDP (southeast 2) | 8.3% |
| 63 | Harvest CDP (northwest) | 8.2% |
| 64 | Meridianville CDP (northwest) | 8.1% |
| 65 | Redstone Arsenal CDP (south-southeast 1) | 8.1% |
| 66 | Gurley town (north-northeast) | 7.9% |
| 67 | Hazel Green CDP (east-southeast) | 7.9% |
| 68 | Meridianville CDP (southwest) | 7.9% |
| 69 | Redstone Arsenal CDP (south-southeast 3) | 7.8% |
| 70 | Gurley town (northwest 3) | 7.7% |
| 71 | Madison city (north-northwest 2) | 7.7% |
| 72 | Redstone Arsenal CDP (northwest 1) | 7.6% |
| 73 | Meridianville CDP (south 2) | 7.5% |
| 74 | Hazel Green CDP (northeast) | 7.4% |
| 75 | Meridianville CDP (south-southeast) | 6.9% |
| 76 | New Hope city (east) | 6.9% |
| 77 | Redstone Arsenal CDP (northeast 2) | 6.9% |
| 78 | Redstone Arsenal CDP (north-northwest 2) | 6.5% |
| 79 | Redstone Arsenal CDP (north 2) | 6.4% |
| 80 | Redstone Arsenal CDP (north-northwest 4) | 5.1% |
| 81 | Gurley town (northwest 1) | 5% |
| 82 | Hazel Green CDP (west-northwest) | 5% |
| 83 | Redstone Arsenal CDP (north 3) | 5% |
| 84 | Meridianville CDP (south 1) | 4.4% |
| 85 | Gurley town (west-northwest) | 4% |
| 86 | Hazel Green CDP (southwest) | 3.6% |
| 87 | Redstone Arsenal CDP (northwest 2) | 3.6% |
| 88 | Redstone Arsenal CDP (north-northwest 1) | 3% |
| 89 | Redstone Arsenal CDP (northeast 1) | 2.7% |
| 90 | Huntsville city (west) | 2.6% |
| 91 | Meridianville CDP (south-southwest) | 2.6% |
| 92 | Redstone Arsenal CDP (north-northeast) | 2.6% |
| 93 | Meridianville CDP (east-northeast) | 1.5% |
| 94 | Redstone Arsenal CDP (north 1) | 1.5% |
| 95 | Redstone Arsenal CDP (north-northwest 3) | 1.2% |