| 1 | Allentown city (west-northwest 1) | 21.6% |
| 2 | Allentown city (east-northeast 3) | 18.6% |
| 3 | Unincorporated (east) | 14.6% |
| 4 | Slatington borough | 11.8% |
| 5 | Allentown city (north-northeast 2) | 10.6% |
| 6 | Allentown city (southwest 1) | 9.8% |
| 7 | Breinigsville CDP (east-southeast) | 9.8% |
| 8 | Allentown city (north-northeast 3) | 9.5% |
| 9 | Unincorporated (east-northeast) | 8.6% |
| 10 | Allentown city (northwest) | 8.5% |
| 11 | Allentown city (southeast) | 7.9% |
| 12 | Allentown city (east-northeast 2) | 7.6% |
| 13 | Allentown city (north-northwest) | 7.6% |
| 14 | Allentown city (east-northeast 1) | 7.5% |
| 15 | Hokendauqua CDP | 7.4% |
| 16 | Unincorporated (west-northwest) | 7.2% |
| 17 | Dorneyville CDP (west-northwest) | 6.8% |
| 18 | Allentown city (north 1) | 6.7% |
| 19 | Allentown city (south-southeast 1) | 6.5% |
| 20 | Bethlehem city (east-southeast) | 6.5% |
| 21 | Fullerton CDP (south) | 6.5% |
| 22 | Breinigsville CDP (west-northwest) | 6.2% |
| 23 | DeSales University CDP | 6% |
| 24 | Allentown city (west-southwest 3) | 5.9% |
| 25 | Emmaus borough (south-southeast) | 5.7% |
| 26 | Fullerton CDP (west-northwest) | 5.6% |
| 27 | Allentown city (west-northwest 2) | 5.5% |
| 28 | Allentown city (north 2) | 5.4% |
| 29 | New Tripoli CDP | 5.4% |
| 30 | Catasauqua borough | 5.1% |
| 31 | Allentown city (south-southeast 2) | 4.9% |
| 32 | Allentown city (south-southeast 3) | 4.9% |
| 33 | Fountain Hill borough | 4.9% |
| 34 | Allentown city (north-northeast 1) | 4.8% |
| 35 | Unincorporated (west 2) | 4.5% |
| 36 | Allentown city (west-southwest 4) | 4.3% |
| 37 | Macungie borough | 4.2% |
| 38 | Allentown city (northeast 2) | 4.1% |
| 39 | Ancient Oaks CDP (south-southeast) | 3.9% |
| 40 | Allentown city (northeast 1) | 3.7% |
| 41 | Unincorporated (southeast) | 3.6% |
| 42 | Allentown city (west) | 3.5% |
| 43 | Bethlehem city (northwest) | 3.5% |
| 44 | Fullerton CDP (north-northeast) | 3.5% |
| 45 | Unincorporated (west 1) | 3.5% |
| 46 | Allentown city (south) | 3.4% |
| 47 | Allentown city (west-southwest 1) | 3.2% |
| 48 | Dorneyville CDP (east-southeast) | 3.2% |
| 49 | Trexlertown CDP | 3.2% |
| 50 | Emmaus borough (north-northwest) | 3.1% |
| 51 | Alburtis borough | 2.8% |
| 52 | Slatedale CDP | 2.8% |
| 53 | Unincorporated (north-northeast) | 2.7% |
| 54 | Schnecksville CDP (south-southeast) | 2.5% |
| 55 | Unincorporated (south) | 2.5% |
| 56 | Wescosville CDP (east) | 2.5% |
| 57 | Allentown city (west-southwest 2) | 2.4% |
| 58 | Fullerton CDP (east-southeast) | 2.4% |
| 59 | Allentown city (east-southeast) | 2.3% |
| 60 | Bethlehem city (north-northwest) | 2.3% |
| 61 | Laurys Station CDP (northeast) | 2.3% |
| 62 | Laurys Station CDP (southwest) | 2.3% |
| 63 | Ancient Oaks CDP (north-northwest) | 2.2% |
| 64 | Bethlehem city (southwest) | 2.2% |
| 65 | Coopersburg borough | 2.2% |
| 66 | Unincorporated (east-southeast 2) | 2.2% |
| 67 | Unincorporated (east-southeast 1) | 2.1% |
| 68 | Unincorporated (northwest 2) | 2% |
| 69 | Unincorporated (south-southeast 2) | 1.9% |
| 70 | Coplay borough | 1.8% |
| 71 | Unincorporated (northwest 1) | 1.4% |
| 72 | Bethlehem city (south-southeast) | 1.3% |
| 73 | Unincorporated (north) | 1.3% |
| 74 | Egypt CDP | 0.9% |
| 75 | Wescosville CDP (west) | 0.6% |
| 76 | Schnecksville CDP (north-northwest) | 0.5% |
| 77 | Cetronia CDP | 0.1% |
| 78 | Allentown city (east) | 0% |
| 79 | Allentown city (southwest 2) | 0% |
| 80 | Unincorporated (south-southeast 1) | 0% |
| 81 | Unincorporated (south-southwest) | 0% |