| 1 | Hellertown borough (southwest) | 6.6% |
| 2 | Chestnut Hill CDP (south) | 6.1% |
| 3 | Hellertown borough (north-northwest) | 5.8% |
| 4 | Hellertown borough (northeast) | 5.4% |
| 5 | Wilson borough (west-southwest) | 4.9% |
| 6 | Bethlehem city (south-southeast) | 2.8% |
| 7 | Palmer Heights CDP (southwest) | 2.8% |
| 8 | Bethlehem city (east-northeast) | 2.7% |
| 9 | Hellertown borough (east) | 2.6% |
| 10 | Hellertown borough (northwest) | 2.6% |
| 11 | Middletown CDP (east) | 2.6% |
| 12 | Chestnut Hill CDP (south-southeast) | 2.2% |
| 13 | Northampton borough (east-southeast) | 2.2% |
| 14 | Freemansburg borough (northeast) | 2% |
| 15 | Northampton borough (west-northwest) | 2% |
| 16 | Raubsville CDP (north-northeast 2) | 2% |
| 17 | Bethlehem city (southeast 1) | 1.7% |
| 18 | Raubsville CDP (north-northwest) | 1.7% |
| 19 | Stockertown borough (west-southwest) | 1.7% |
| 20 | Wilson borough (east-northeast) | 1.7% |
| 21 | Bath borough (south-southeast) | 1.6% |
| 22 | Old Orchard CDP (north-northwest) | 1.5% |
| 23 | Hellertown borough (east-southeast) | 1.4% |
| 24 | Martins Creek CDP | 1.4% |
| 25 | Bethlehem city (south) | 1.2% |
| 26 | East Bangor borough | 1.2% |
| 27 | Bethlehem city (west-northwest 1) | 1.1% |
| 28 | Freemansburg borough (west) | 1.1% |
| 29 | Raubsville CDP (south-southwest) | 1% |
| 30 | Mount Bethel CDP | 0.9% |
| 31 | Hellertown borough (west-northwest 2) | 0.8% |
| 32 | Cherryville CDP (southeast) | 0.7% |
| 33 | Roseto borough | 0.7% |
| 34 | Eastlawn Gardens CDP (south-southwest) | 0.6% |
| 35 | Hellertown borough (south-southeast) | 0.6% |
| 36 | Nazareth borough | 0.6% |
| 37 | Stockertown borough (north-northwest) | 0.6% |
| 38 | Raubsville CDP (north-northeast 1) | 0.5% |
| 39 | Raubsville CDP (south-southeast) | 0.4% |
| 40 | Bath borough (north) | 0.3% |
| 41 | Belfast CDP (south-southwest) | 0.3% |
| 42 | Old Orchard CDP (south-southeast) | 0.3% |
| 43 | Bethlehem city (west-northwest 2) | 0.1% |
| 44 | Freemansburg borough (south-southwest) | 0.1% |
| 45 | Ackermanville CDP | 0% |
| 46 | Bangor borough | 0% |
| 47 | Bath borough (west) | 0% |
| 48 | Belfast CDP (north-northeast) | 0% |
| 49 | Bethlehem city (north) | 0% |
| 50 | Bethlehem city (southeast 2) | 0% |
| 51 | Chapman borough (northeast) | 0% |
| 52 | Chapman borough (south-southeast) | 0% |
| 53 | Chapman borough (west-southwest) | 0% |
| 54 | Cherryville CDP (north) | 0% |
| 55 | Cherryville CDP (west-northwest) | 0% |
| 56 | Chestnut Hill CDP (north-northeast) | 0% |
| 57 | Chestnut Hill CDP (north-northwest) | 0% |
| 58 | Eastlawn Gardens CDP (east-southeast) | 0% |
| 59 | Eastlawn Gardens CDP (north-northeast) | 0% |
| 60 | Eastlawn Gardens CDP (north-northwest) | 0% |
| 61 | Easton city | 0% |
| 62 | Freemansburg borough (southeast) | 0% |
| 63 | Hellertown borough (west-northwest 1) | 0% |
| 64 | Middletown CDP (east-southeast) | 0% |
| 65 | Middletown CDP (northwest) | 0% |
| 66 | Middletown CDP (west) | 0% |
| 67 | North Catasauqua borough | 0% |
| 68 | Palmer Heights CDP (east-northeast) | 0% |
| 69 | Palmer Heights CDP (northeast) | 0% |
| 70 | Pen Argyl borough | 0% |
| 71 | Stockertown borough (east-southeast) | 0% |
| 72 | Walnutport borough | 0% |
| 73 | West Easton borough | 0% |
| 74 | Wind Gap borough | 0% |