| 1 | Troy city (south) | 97.6% |
| 2 | Marine village (east) | 95.1% |
| 3 | Moro CDP (northwest) | 94.9% |
| 4 | St. Jacob village (west-southwest) | 94.8% |
| 5 | Worden village | 93.6% |
| 6 | Moro CDP (east-northeast) | 91% |
| 7 | Moro CDP (south-southeast) | 90% |
| 8 | Godfrey village (west-southwest) | 89.1% |
| 9 | Granite City city (south) | 89.1% |
| 10 | Granite City city (north) | 87.8% |
| 11 | Godfrey village (north-northwest) | 86.4% |
| 12 | Marine village (west) | 86.1% |
| 13 | Rosewood Heights CDP (northwest) | 86% |
| 14 | Holiday Shores CDP (north) | 84.5% |
| 15 | Alhambra village | 84.1% |
| 16 | Madison city (north-northeast) | 82.7% |
| 17 | St. Jacob village (northeast) | 82.1% |
| 18 | Maryville village (northeast) | 81.3% |
| 19 | Rosewood Heights CDP (southeast) | 81% |
| 20 | Bethalto village | 80.9% |
| 21 | South Roxana village (south) | 80.9% |
| 22 | Pontoon Beach village (north-northwest) | 80.8% |
| 23 | Collinsville city (east) | 80.3% |
| 24 | Maryville village (northwest) | 79.4% |
| 25 | Granite City city (southwest) | 79% |
| 26 | Highland city | 78.8% |
| 27 | Wood River city | 77.7% |
| 28 | Holiday Shores CDP (south) | 75.5% |
| 29 | Pontoon Beach village (northeast) | 72.9% |
| 30 | Glen Carbon village (southwest) | 71.8% |
| 31 | East Alton village (southeast) | 71% |
| 32 | Troy city (north) | 71% |
| 33 | St. Jacob village (south) | 70.7% |
| 34 | Alton city (east-southeast) | 70.1% |
| 35 | Granite City city (east) | 69.2% |
| 36 | Godfrey village (northeast) | 67.5% |
| 37 | Maryville village (south) | 66.6% |
| 38 | Pontoon Beach village (southeast) | 66.4% |
| 39 | South Roxana village (north) | 66.3% |
| 40 | East Alton village (east-southeast) | 65.9% |
| 41 | Madison city (south-southwest) | 65.8% |
| 42 | Collinsville city (east-northeast) | 64.7% |
| 43 | Godfrey village (south-southeast 1) | 64.2% |
| 44 | Alton city (west-northwest) | 64% |
| 45 | East Alton village (northwest) | 63.8% |
| 46 | Alton city (north-northeast) | 63.3% |
| 47 | Edwardsville city (east-northeast) | 62.9% |
| 48 | Glen Carbon village (southeast) | 61.8% |
| 49 | Pontoon Beach village (west-southwest) | 60.2% |
| 50 | East Alton village (east-northeast) | 59% |
| 51 | Maryville village (southwest) | 58.5% |
| 52 | Pontoon Beach village (west) | 57.9% |
| 53 | Edwardsville city (west-southwest) | 57.2% |
| 54 | Godfrey village (south-southeast 2) | 57% |
| 55 | Alton city (west-southwest) | 56.9% |
| 56 | Collinsville city (southwest) | 56% |
| 57 | Glen Carbon village (north) | 56% |
| 58 | Moro CDP (southwest) | 53.2% |
| 59 | Collinsville city (west-northwest) | 50.3% |
| 60 | Venice city (northeast) | 45.3% |
| 61 | East Alton village (west-northwest) | 44% |
| 62 | Alton city (south) | 42.6% |
| 63 | Venice city (southwest) | 42.5% |