| 1 | Wickerham Manor-Fisher CDP (east) | 38.6% |
| 2 | Washington city (south-southeast) | 35.6% |
| 3 | California borough (east-southeast) | 35.1% |
| 4 | Charleroi borough (northwest) | 30.5% |
| 5 | Charleroi borough (southeast) | 27.8% |
| 6 | Fredericktown CDP | 25.4% |
| 7 | North Charleroi borough | 23.4% |
| 8 | Laboratory CDP (southwest) | 23.2% |
| 9 | Donora borough | 22.8% |
| 10 | Wolfdale CDP (southeast) | 22% |
| 11 | California borough (west-northwest) | 21.8% |
| 12 | Houston borough | 17.9% |
| 13 | Bentleyville borough | 17.2% |
| 14 | Wolfdale CDP (south-southwest) | 15.9% |
| 15 | New Eagle borough | 15.4% |
| 16 | Long Branch borough | 15.1% |
| 17 | Elrama CDP (south-southeast) | 15% |
| 18 | Canonsburg borough | 14.1% |
| 19 | Monongahela city (east-southeast) | 14.1% |
| 20 | Claysville borough (south-southeast) | 12.9% |
| 21 | Laboratory CDP (northwest) | 12.9% |
| 22 | Wickerham Manor-Fisher CDP (west) | 11.8% |
| 23 | Midland CDP (west-southwest) | 11.4% |
| 24 | Midway borough | 10.9% |
| 25 | Washington city (northeast) | 10.8% |
| 26 | Joffre CDP | 10.4% |
| 27 | West Middletown borough | 10.2% |
| 28 | East Washington borough | 9.3% |
| 29 | Dunlevy borough | 9.2% |
| 30 | Washington city (west-northwest) | 9.2% |
| 31 | Green Hills borough (north-northeast) | 8.5% |
| 32 | Wolfdale CDP (east-northeast) | 8.4% |
| 33 | Hendersonville CDP | 8.3% |
| 34 | McDonald borough | 8.3% |
| 35 | Burgettstown borough | 8.2% |
| 36 | Paris CDP | 8.2% |
| 37 | Centerville borough (north-northwest) | 8.1% |
| 38 | Van Voorhis CDP | 7.9% |
| 39 | East Marianna CDP (east-southeast) | 7.8% |
| 40 | Laboratory CDP (east-southeast) | 7.8% |
| 41 | Monongahela city (west-northwest) | 7.3% |
| 42 | Centerville borough (south-southeast) | 6.9% |
| 43 | Wolfdale CDP (northwest) | 6.4% |
| 44 | Wylandville CDP (west-northwest) | 6.2% |
| 45 | East Marianna CDP (west-northwest) | 5.9% |
| 46 | Hickory CDP | 5.8% |
| 47 | Cokeburg borough | 5% |
| 48 | Gastonville CDP | 4.7% |
| 49 | Muse CDP (northwest) | 4.5% |
| 50 | Claysville borough (north-northwest) | 4.1% |
| 51 | Elrama CDP (north-northwest) | 4% |
| 52 | Midland CDP (east-northeast) | 4% |
| 53 | Midland CDP (east) | 3.8% |
| 54 | Strabane CDP | 3.6% |
| 55 | Wylandville CDP (south) | 3.6% |
| 56 | Cecil-Bishop CDP | 3.3% |
| 57 | Green Hills borough (south-southwest) | 2.8% |
| 58 | Muse CDP (southeast) | 2.8% |
| 59 | Meadowlands CDP | 1.9% |
| 60 | Thompsonville CDP (east-northeast) | 1.8% |
| 61 | Thompsonville CDP (west-southwest) | 1.3% |
| 62 | Wylandville CDP (northeast) | 1.3% |