| 1 | Brooklyn village (south-southeast) | 51.9% |
| 2 | Sauget village (east) | 49% |
| 3 | Brooklyn village (northeast) | 47.7% |
| 4 | Brooklyn village (northwest) | 45% |
| 5 | Caseyville village (west) | 42.7% |
| 6 | Washington Park village (east-northeast) | 39.2% |
| 7 | Sauget village (north-northeast) | 34.4% |
| 8 | Cahokia Heights city | 33.8% |
| 9 | Fairmont City village (south) | 31% |
| 10 | Caseyville village (south-southwest) | 29.8% |
| 11 | Sauget village (west-southwest 1) | 29.5% |
| 12 | Caseyville village (north) | 28.8% |
| 13 | Fairmont City village (north) | 27.6% |
| 14 | Caseyville village (west-southwest) | 27.1% |
| 15 | Brooklyn village (south) | 26.6% |
| 16 | East St. Louis city (south-southeast) | 26.3% |
| 17 | Belleville city (east) | 25.9% |
| 18 | Belleville city (south-southwest) | 25.9% |
| 19 | Sauget village (west-southwest 2) | 24.5% |
| 20 | Belleville city (northwest) | 23.3% |
| 21 | Fairview Heights city (north) | 22% |
| 22 | Millstadt village (north) | 21.9% |
| 23 | Washington Park village (west-northwest) | 21.1% |
| 24 | Caseyville village (northeast) | 20.1% |
| 25 | Belleville city (southeast) | 19.7% |
| 26 | East St. Louis city (north) | 19.6% |
| 27 | Swansea village (southwest) | 17.5% |
| 28 | Belleville city (west-northwest) | 17.4% |
| 29 | Rentchler CDP (north-northwest) | 16.1% |
| 30 | Swansea village (west-northwest) | 15.7% |
| 31 | Shiloh village (south-southwest) | 15.2% |
| 32 | East St. Louis city (west-northwest) | 13.8% |
| 33 | Belleville city (northeast) | 12.7% |
| 34 | Smithton village (north-northwest) | 11.8% |
| 35 | Rentchler CDP (west) | 11.6% |
| 36 | Mascoutah city | 11.5% |
| 37 | Millstadt village (west-northwest) | 11.2% |
| 38 | Rentchler CDP (northwest) | 11% |
| 39 | East Carondelet village (northwest) | 10.4% |
| 40 | Smithton village (south-southeast) | 10% |
| 41 | Lebanon city (south) | 9.9% |
| 42 | Swansea village (northeast) | 9.8% |
| 43 | Darmstadt CDP | 9.7% |
| 44 | O'Fallon city (southeast) | 9.5% |
| 45 | Freeburg village | 7.6% |
| 46 | Millstadt village (south) | 7.5% |
| 47 | Shiloh village (northeast) | 7.5% |
| 48 | Lebanon city (north-northeast) | 7.3% |
| 49 | Scott AFB CDP (northeast) | 7.3% |
| 50 | Lebanon city (north) | 7% |
| 51 | New Athens village | 6.4% |
| 52 | Caseyville village (south) | 6.1% |
| 53 | O'Fallon city (south) | 6.1% |
| 54 | Shiloh village (east-southeast) | 6% |
| 55 | Fairview Heights city (east) | 5.6% |
| 56 | Caseyville village (east-northeast) | 5.2% |
| 57 | Shiloh village (west-southwest) | 5.1% |
| 58 | Millstadt village (north-northeast) | 4.5% |
| 59 | Scott AFB CDP (southwest) | 4.4% |
| 60 | Shiloh village (northwest) | 3.4% |
| 61 | Fairview Heights city (west) | 3.1% |
| 62 | O'Fallon city (north) | 2.9% |
| 63 | Rentchler CDP (southeast) | 2.7% |
| 64 | Swansea village (east) | 2.4% |
| 65 | East Carondelet village (southeast) | 2% |
| 66 | O'Fallon city (west-northwest) | 1.3% |
| 67 | O'Fallon city (east-northeast) | 0.5% |