| 1 | Midland CDP (west-southwest) | 12.6% |
| 2 | Washington city (northeast) | 8% |
| 3 | East Washington borough | 7.1% |
| 4 | Elrama CDP (south-southeast) | 5.7% |
| 5 | Wickerham Manor-Fisher CDP (east) | 5.3% |
| 6 | Wolfdale CDP (southeast) | 5.3% |
| 7 | Thompsonville CDP (east-northeast) | 4.9% |
| 8 | Washington city (west-northwest) | 4.9% |
| 9 | Washington city (south-southeast) | 3.9% |
| 10 | Elrama CDP (north-northwest) | 3.6% |
| 11 | Wickerham Manor-Fisher CDP (west) | 3.4% |
| 12 | Fredericktown CDP | 3.3% |
| 13 | East Marianna CDP (east-southeast) | 3.1% |
| 14 | Strabane CDP | 3.1% |
| 15 | Wolfdale CDP (east-northeast) | 2.8% |
| 16 | Bentleyville borough | 2.7% |
| 17 | California borough (east-southeast) | 2.7% |
| 18 | Charleroi borough (southeast) | 2.7% |
| 19 | Burgettstown borough | 2.5% |
| 20 | Canonsburg borough | 2.5% |
| 21 | Monongahela city (east-southeast) | 2.5% |
| 22 | Laboratory CDP (east-southeast) | 2.4% |
| 23 | Wylandville CDP (south) | 2.4% |
| 24 | Joffre CDP | 2.2% |
| 25 | North Charleroi borough | 1.9% |
| 26 | California borough (west-northwest) | 1.8% |
| 27 | Green Hills borough (north-northeast) | 1.7% |
| 28 | Hendersonville CDP | 1.7% |
| 29 | Laboratory CDP (northwest) | 1.7% |
| 30 | Houston borough | 1.5% |
| 31 | Wylandville CDP (west-northwest) | 1.5% |
| 32 | Midland CDP (east) | 1.4% |
| 33 | Laboratory CDP (southwest) | 1.3% |
| 34 | McDonald borough | 1.3% |
| 35 | Monongahela city (west-northwest) | 1.3% |
| 36 | Centerville borough (south-southeast) | 1.1% |
| 37 | Claysville borough (north-northwest) | 1.1% |
| 38 | West Middletown borough | 1% |
| 39 | Midway borough | 0.9% |
| 40 | Wolfdale CDP (northwest) | 0.9% |
| 41 | East Marianna CDP (west-northwest) | 0.8% |
| 42 | Paris CDP | 0.8% |
| 43 | Cecil-Bishop CDP | 0.7% |
| 44 | Claysville borough (south-southeast) | 0.7% |
| 45 | Dunlevy borough | 0.7% |
| 46 | Cokeburg borough | 0.6% |
| 47 | Muse CDP (southeast) | 0.6% |
| 48 | Wylandville CDP (northeast) | 0.5% |
| 49 | Centerville borough (north-northwest) | 0.4% |
| 50 | Hickory CDP | 0.4% |
| 51 | Long Branch borough | 0.4% |
| 52 | Thompsonville CDP (west-southwest) | 0.4% |
| 53 | Wolfdale CDP (south-southwest) | 0.3% |
| 54 | Green Hills borough (south-southwest) | 0.1% |
| 55 | Charleroi borough (northwest) | 0% |
| 56 | Donora borough | 0% |
| 57 | Gastonville CDP | 0% |
| 58 | Meadowlands CDP | 0% |
| 59 | Midland CDP (east-northeast) | 0% |
| 60 | Muse CDP (northwest) | 0% |
| 61 | New Eagle borough | 0% |
| 62 | Van Voorhis CDP | 0% |