| 1 | Rentchler CDP (southeast) | 96.5% |
| 2 | O'Fallon city (east-northeast) | 95.2% |
| 3 | Washington Park village (east-northeast) | 93% |
| 4 | O'Fallon city (southeast) | 91.2% |
| 5 | New Athens village | 90% |
| 6 | Millstadt village (north-northeast) | 89.1% |
| 7 | East Carondelet village (southeast) | 88.6% |
| 8 | O'Fallon city (west-northwest) | 87.7% |
| 9 | Fairview Heights city (west) | 87.5% |
| 10 | Millstadt village (south) | 86.9% |
| 11 | Caseyville village (east-northeast) | 86.5% |
| 12 | Freeburg village | 84.7% |
| 13 | Caseyville village (north) | 84.4% |
| 14 | Swansea village (northeast) | 84.3% |
| 15 | Caseyville village (west) | 84% |
| 16 | Swansea village (east) | 84% |
| 17 | O'Fallon city (north) | 82.2% |
| 18 | East St. Louis city (west-northwest) | 81.6% |
| 19 | Smithton village (south-southeast) | 81.4% |
| 20 | Lebanon city (north-northeast) | 81.1% |
| 21 | Swansea village (west-northwest) | 80.7% |
| 22 | Caseyville village (south) | 79.7% |
| 23 | Darmstadt CDP | 79.1% |
| 24 | East St. Louis city (north) | 78.6% |
| 25 | Fairmont City village (north) | 76.1% |
| 26 | Mascoutah city | 74.5% |
| 27 | Millstadt village (north) | 72.2% |
| 28 | Smithton village (north-northwest) | 71.1% |
| 29 | Shiloh village (east-southeast) | 70.5% |
| 30 | Sauget village (north-northeast) | 70.1% |
| 31 | Caseyville village (south-southwest) | 69.4% |
| 32 | Belleville city (west-northwest) | 69.3% |
| 33 | Lebanon city (north) | 69.1% |
| 34 | Caseyville village (northeast) | 68.3% |
| 35 | Rentchler CDP (northwest) | 67.3% |
| 36 | Millstadt village (west-northwest) | 67.2% |
| 37 | Shiloh village (south-southwest) | 65.5% |
| 38 | Rentchler CDP (west) | 63.1% |
| 39 | Rentchler CDP (north-northwest) | 62.3% |
| 40 | Sauget village (west-southwest 2) | 62.1% |
| 41 | East St. Louis city (south-southeast) | 61.8% |
| 42 | Washington Park village (west-northwest) | 61.2% |
| 43 | Belleville city (south-southwest) | 61.1% |
| 44 | Lebanon city (south) | 60.8% |
| 45 | Shiloh village (northeast) | 59.3% |
| 46 | East Carondelet village (northwest) | 59.2% |
| 47 | Fairmont City village (south) | 58.9% |
| 48 | Fairview Heights city (north) | 58.4% |
| 49 | Belleville city (southeast) | 57.5% |
| 50 | Sauget village (west-southwest 1) | 57% |
| 51 | Caseyville village (west-southwest) | 56.7% |
| 52 | O'Fallon city (south) | 56% |
| 53 | Belleville city (northeast) | 55.8% |
| 54 | Belleville city (northwest) | 55.8% |
| 55 | Shiloh village (west-southwest) | 55.7% |
| 56 | Cahokia Heights city | 55.5% |
| 57 | Belleville city (east) | 52.8% |
| 58 | Shiloh village (northwest) | 48.7% |
| 59 | Fairview Heights city (east) | 45.3% |
| 60 | Swansea village (southwest) | 42.7% |
| 61 | Scott AFB CDP (southwest) | 33.6% |
| 62 | Brooklyn village (northwest) | 31.5% |
| 63 | Brooklyn village (south) | 30.7% |
| 64 | Brooklyn village (northeast) | 29.7% |
| 65 | Brooklyn village (south-southeast) | 28.5% |
| 66 | Sauget village (east) | 21% |
| 67 | Scott AFB CDP (northeast) | 0% |