| 1 | Lake St. Louis city (south) | 14.6% |
| 2 | St. Paul city (east-southeast) | 13.1% |
| 3 | O'Fallon city (west-northwest) | 12.4% |
| 4 | St. Charles city (east-southeast) | 12% |
| 5 | St. Paul city (east) | 11.2% |
| 6 | St. Charles city (northeast 1) | 9.9% |
| 7 | Portage Des Sioux city (southeast) | 9.6% |
| 8 | St. Charles city (southwest 1) | 9.6% |
| 9 | St. Peters city (south-southeast) | 9.3% |
| 10 | St. Charles city (west-northwest) | 9.1% |
| 11 | Wentzville city (east-southeast) | 8.9% |
| 12 | Weldon Spring city (north-northwest) | 8.8% |
| 13 | Josephville village (northwest) | 8.2% |
| 14 | St. Peters city (west-southwest) | 7.5% |
| 15 | Portage Des Sioux city (west-northwest) | 7.3% |
| 16 | St. Charles city (west) | 7.3% |
| 17 | St. Peters city (north-northwest) | 7.3% |
| 18 | St. Paul city (west-southwest) | 7.1% |
| 19 | Dardenne Prairie city (southwest 1) | 6.7% |
| 20 | Portage Des Sioux city (east-northeast 1) | 6.6% |
| 21 | St. Peters city (west-northwest) | 6.3% |
| 22 | Josephville village (east-northeast) | 6.2% |
| 23 | St. Charles city (northeast 2) | 6.2% |
| 24 | St. Peters city (northeast) | 6.2% |
| 25 | Weldon Spring city (west 1) | 6.1% |
| 26 | St. Charles city (north-northwest) | 6% |
| 27 | St. Peters city (east-southeast 2) | 5.9% |
| 28 | Weldon Spring city (east-northeast) | 5.9% |
| 29 | Portage Des Sioux city (south-southeast) | 5.7% |
| 30 | St. Charles city (northwest) | 5.6% |
| 31 | St. Peters city (east-southeast 3) | 5.6% |
| 32 | Weldon Spring city (north-northeast) | 5.6% |
| 33 | St. Peters city (east-southeast 1) | 5.5% |
| 34 | St. Charles city (southwest 2) | 5.4% |
| 35 | St. Peters city (west 1) | 5.3% |
| 36 | Portage Des Sioux city (west-southwest) | 5.2% |
| 37 | Lake St. Louis city (west) | 5.1% |
| 38 | St. Charles city (north-northeast) | 5.1% |
| 39 | Dardenne Prairie city (northwest) | 5% |
| 40 | St. Charles city (east) | 4.8% |
| 41 | Dardenne Prairie city (northeast) | 4.4% |
| 42 | Wentzville city (north) | 4.4% |
| 43 | Josephville village (south-southeast) | 4.2% |
| 44 | New Melle city (south-southwest) | 4.2% |
| 45 | St. Peters city (southwest) | 4.2% |
| 46 | St. Charles city (southeast) | 4% |
| 47 | St. Charles city (south 2) | 3.8% |
| 48 | Wentzville city (west-southwest) | 3.8% |
| 49 | Dardenne Prairie city (north-northeast) | 3.5% |
| 50 | Flint Hill city (east-northeast) | 3.4% |
| 51 | Lake St. Louis city (north-northwest) | 3.4% |
| 52 | Cottleville city (north) | 3.3% |
| 53 | New Melle city (northwest 2) | 3.1% |
| 54 | O'Fallon city (east-northeast) | 3.1% |
| 55 | St. Paul city (northwest) | 3% |
| 56 | Dardenne Prairie city (southwest 2) | 2.9% |
| 57 | Portage Des Sioux city (east-northeast 2) | 2.9% |
| 58 | St. Charles city (south 1) | 2.9% |
| 59 | St. Peters city (east) | 2.9% |
| 60 | St. Peters city (south) | 2.9% |
| 61 | Weldon Spring city (southeast) | 2.8% |
| 62 | Weldon Spring city (west 2) | 2.7% |
| 63 | Weldon Spring city (south-southwest) | 2.6% |
| 64 | New Melle city (northeast) | 2.5% |
| 65 | New Melle city (northwest 1) | 2.5% |
| 66 | St. Peters city (northwest) | 2.5% |
| 67 | Cottleville city (southwest) | 2.4% |
| 68 | Flint Hill city (west-southwest) | 2.2% |
| 69 | Lake St. Louis city (northeast) | 2.2% |
| 70 | St. Peters city (east-northeast) | 2.1% |
| 71 | Cottleville city (northeast) | 1.8% |
| 72 | Cottleville city (south-southeast) | 1.7% |
| 73 | Augusta town (southwest) | 1.4% |
| 74 | New Melle city (east-southeast 2) | 1.4% |
| 75 | Weldon Spring city (west-southwest) | 1.3% |
| 76 | Cottleville city (west) | 1.2% |
| 77 | New Melle city (east-southeast 1) | 1.2% |
| 78 | St. Paul city (northeast) | 1.2% |
| 79 | Cottleville city (east-southeast) | 1% |
| 80 | Dardenne Prairie city (east-southeast) | 1% |
| 81 | Weldon Spring city (northeast) | 1% |
| 82 | St. Peters city (west 2) | 0.9% |
| 83 | Lake St. Louis city (southeast) | 0.8% |
| 84 | O'Fallon city (south) | 0% |