| 1 | Lebanon city (north) | 24.7% |
| 2 | Swansea village (west-northwest) | 23.1% |
| 3 | O'Fallon city (north) | 22.8% |
| 4 | O'Fallon city (east-northeast) | 20.9% |
| 5 | Swansea village (northeast) | 18.7% |
| 6 | Sauget village (east) | 18.6% |
| 7 | Sauget village (north-northeast) | 17.8% |
| 8 | Shiloh village (west-southwest) | 16.8% |
| 9 | O'Fallon city (west-northwest) | 16.7% |
| 10 | Rentchler CDP (west) | 16.4% |
| 11 | Shiloh village (east-southeast) | 15.6% |
| 12 | Millstadt village (north) | 14.6% |
| 13 | Scott AFB CDP (northeast) | 14.5% |
| 14 | O'Fallon city (south) | 13.3% |
| 15 | Belleville city (southeast) | 12.8% |
| 16 | Shiloh village (south-southwest) | 12.6% |
| 17 | Lebanon city (south) | 12.2% |
| 18 | Belleville city (east) | 11.6% |
| 19 | Caseyville village (west) | 11.6% |
| 20 | East St. Louis city (north) | 11.6% |
| 21 | Lebanon city (north-northeast) | 11.4% |
| 22 | Freeburg village | 11.1% |
| 23 | Rentchler CDP (southeast) | 11.1% |
| 24 | Scott AFB CDP (southwest) | 11.1% |
| 25 | O'Fallon city (southeast) | 10.4% |
| 26 | Smithton village (south-southeast) | 10.1% |
| 27 | Darmstadt CDP | 9.9% |
| 28 | Rentchler CDP (northwest) | 9.9% |
| 29 | Sauget village (west-southwest 1) | 9.8% |
| 30 | Smithton village (north-northwest) | 9.8% |
| 31 | Millstadt village (south) | 9.7% |
| 32 | Caseyville village (west-southwest) | 9.6% |
| 33 | Shiloh village (northwest) | 9.5% |
| 34 | Brooklyn village (northwest) | 9.4% |
| 35 | Caseyville village (east-northeast) | 9.4% |
| 36 | Belleville city (south-southwest) | 9.2% |
| 37 | Brooklyn village (south-southeast) | 9.2% |
| 38 | Millstadt village (north-northeast) | 9.2% |
| 39 | Fairmont City village (north) | 9.1% |
| 40 | Shiloh village (northeast) | 9.1% |
| 41 | Fairview Heights city (west) | 9% |
| 42 | Millstadt village (west-northwest) | 7.9% |
| 43 | Rentchler CDP (north-northwest) | 7.9% |
| 44 | Fairview Heights city (north) | 7.4% |
| 45 | Caseyville village (south) | 7.1% |
| 46 | Mascoutah city | 7.1% |
| 47 | Belleville city (northwest) | 6.8% |
| 48 | Swansea village (east) | 6.8% |
| 49 | Swansea village (southwest) | 6.6% |
| 50 | Brooklyn village (south) | 6.5% |
| 51 | Belleville city (west-northwest) | 6.3% |
| 52 | New Athens village | 6.3% |
| 53 | Caseyville village (northeast) | 6.2% |
| 54 | East Carondelet village (northwest) | 5.8% |
| 55 | Fairview Heights city (east) | 5.8% |
| 56 | Caseyville village (south-southwest) | 5.5% |
| 57 | Belleville city (northeast) | 4.8% |
| 58 | East Carondelet village (southeast) | 4.3% |
| 59 | Washington Park village (west-northwest) | 4.3% |
| 60 | Sauget village (west-southwest 2) | 3.6% |
| 61 | Brooklyn village (northeast) | 2.5% |
| 62 | Caseyville village (north) | 2.1% |
| 63 | East St. Louis city (south-southeast) | 0.9% |
| 64 | Cahokia Heights city | 0% |
| 65 | East St. Louis city (west-northwest) | 0% |
| 66 | Fairmont City village (south) | 0% |
| 67 | Washington Park village (east-northeast) | 0% |