| 1 | Allentown city (south-southeast 1) | 33.5% |
| 2 | Allentown city (north 1) | 32.5% |
| 3 | Allentown city (northeast 2) | 32.1% |
| 4 | Fullerton CDP (east-southeast) | 31.3% |
| 5 | Fullerton CDP (south) | 31.1% |
| 6 | Allentown city (north 2) | 30.3% |
| 7 | Allentown city (northeast 1) | 26.5% |
| 8 | Allentown city (north-northeast 1) | 26.3% |
| 9 | Allentown city (west-southwest 1) | 26% |
| 10 | Allentown city (southwest 1) | 24.6% |
| 11 | Allentown city (south-southeast 3) | 24.5% |
| 12 | Breinigsville CDP (east-southeast) | 24.2% |
| 13 | Unincorporated (west 1) | 23.5% |
| 14 | Allentown city (south-southeast 2) | 23.1% |
| 15 | Allentown city (north-northwest) | 21.3% |
| 16 | Ancient Oaks CDP (north-northwest) | 20.3% |
| 17 | Allentown city (north-northeast 3) | 19.2% |
| 18 | Allentown city (east-southeast) | 18.7% |
| 19 | Allentown city (west-northwest 1) | 18.6% |
| 20 | Allentown city (west-northwest 2) | 18.1% |
| 21 | Allentown city (east-northeast 2) | 17.6% |
| 22 | Allentown city (northwest) | 17.6% |
| 23 | Allentown city (east) | 16.4% |
| 24 | Allentown city (west) | 16.4% |
| 25 | Trexlertown CDP | 16.4% |
| 26 | Allentown city (north-northeast 2) | 16.2% |
| 27 | Fullerton CDP (west-northwest) | 16.1% |
| 28 | Unincorporated (south-southwest) | 15.9% |
| 29 | Allentown city (west-southwest 3) | 15.8% |
| 30 | Unincorporated (south) | 15.2% |
| 31 | Cetronia CDP | 14.3% |
| 32 | Unincorporated (northwest 2) | 14.2% |
| 33 | Allentown city (east-northeast 3) | 14.1% |
| 34 | Bethlehem city (southwest) | 13.8% |
| 35 | Allentown city (southeast) | 13.2% |
| 36 | Allentown city (south) | 12.5% |
| 37 | Allentown city (west-southwest 2) | 12% |
| 38 | Fountain Hill borough | 12% |
| 39 | Unincorporated (south-southeast 1) | 12% |
| 40 | Allentown city (east-northeast 1) | 11.8% |
| 41 | Unincorporated (east) | 11.5% |
| 42 | Fullerton CDP (north-northeast) | 11.1% |
| 43 | Dorneyville CDP (west-northwest) | 10.7% |
| 44 | Allentown city (southwest 2) | 10.6% |
| 45 | Bethlehem city (north-northwest) | 10.4% |
| 46 | Hokendauqua CDP | 10.4% |
| 47 | Bethlehem city (northwest) | 9.5% |
| 48 | Unincorporated (east-northeast) | 9.5% |
| 49 | Ancient Oaks CDP (south-southeast) | 9.4% |
| 50 | Wescosville CDP (west) | 8.8% |
| 51 | Alburtis borough | 8.7% |
| 52 | Breinigsville CDP (west-northwest) | 8.6% |
| 53 | Bethlehem city (south-southeast) | 8.5% |
| 54 | Unincorporated (north-northeast) | 8.1% |
| 55 | Allentown city (west-southwest 4) | 7.5% |
| 56 | Unincorporated (east-southeast 1) | 7% |
| 57 | DeSales University CDP | 6.6% |
| 58 | Dorneyville CDP (east-southeast) | 6.6% |
| 59 | Wescosville CDP (east) | 6.2% |
| 60 | Emmaus borough (north-northwest) | 5.3% |
| 61 | Laurys Station CDP (southwest) | 5.1% |
| 62 | Egypt CDP | 4.8% |
| 63 | Schnecksville CDP (south-southeast) | 4.6% |
| 64 | Unincorporated (north) | 4.4% |
| 65 | Unincorporated (west-northwest) | 4.3% |
| 66 | Catasauqua borough | 4.2% |
| 67 | Laurys Station CDP (northeast) | 4.1% |
| 68 | Coopersburg borough | 3.9% |
| 69 | Coplay borough | 3.9% |
| 70 | Bethlehem city (east-southeast) | 3.8% |
| 71 | Macungie borough | 3.2% |
| 72 | Unincorporated (east-southeast 2) | 3.1% |
| 73 | Unincorporated (south-southeast 2) | 2.8% |
| 74 | Slatedale CDP | 2.5% |
| 75 | Slatington borough | 2.2% |
| 76 | Schnecksville CDP (north-northwest) | 1.9% |
| 77 | Unincorporated (northwest 1) | 1.7% |
| 78 | New Tripoli CDP | 1.4% |
| 79 | Unincorporated (west 2) | 1.4% |
| 80 | Emmaus borough (south-southeast) | 1.2% |
| 81 | Unincorporated (southeast) | 0.9% |