| 1 | Churchtown CDP | 26.1% |
| 2 | Lancaster city (west 1) | 24.7% |
| 3 | Lancaster city (northwest 1) | 20.9% |
| 4 | Lancaster city (northwest 2) | 20.6% |
| 5 | Unincorporated (northeast 1) | 20.2% |
| 6 | Landisville CDP | 20% |
| 7 | Lancaster city (southwest 1) | 18.7% |
| 8 | Willow Street CDP (east) | 18.3% |
| 9 | Intercourse CDP | 18.2% |
| 10 | Conestoga CDP | 18.1% |
| 11 | Millersville borough (north-northeast) | 17.8% |
| 12 | Kirkwood CDP | 17.5% |
| 13 | Leola CDP (west-southwest) | 17% |
| 14 | Unincorporated (north-northeast 4) | 16.9% |
| 15 | Lancaster city (northeast) | 16.5% |
| 16 | Penryn CDP (south-southeast) | 15.8% |
| 17 | Unincorporated (east) | 15.6% |
| 18 | Goodville CDP | 15.2% |
| 19 | Leola CDP (east-northeast) | 15.2% |
| 20 | Unincorporated (east-northeast 1) | 15.2% |
| 21 | Brickerville CDP | 15.1% |
| 22 | Clay CDP | 15% |
| 23 | Cambridge CDP | 14.9% |
| 24 | Lancaster city (east-southeast) | 14.4% |
| 25 | Salunga CDP (southwest) | 14.3% |
| 26 | Swartzville CDP | 14.2% |
| 27 | Lancaster city (north-northeast) | 14% |
| 28 | Rohrerstown CDP | 13.9% |
| 29 | Unincorporated (southwest 3) | 13.6% |
| 30 | Unincorporated (west 1) | 13.6% |
| 31 | Refton CDP | 13.3% |
| 32 | Unincorporated (north-northeast 2) | 13.2% |
| 33 | Unincorporated (south-southeast 2) | 13% |
| 34 | Unincorporated (west-northwest 2) | 13% |
| 35 | Unincorporated (west 2) | 12.8% |
| 36 | Unincorporated (north-northeast 1) | 12.7% |
| 37 | Lancaster city (west-southwest) | 12.4% |
| 38 | Maytown CDP | 12.4% |
| 39 | Witmer CDP | 12.2% |
| 40 | Lancaster city (south-southeast) | 11.8% |
| 41 | Marietta borough | 11.8% |
| 42 | Unincorporated (east-northeast 2) | 11.6% |
| 43 | Unincorporated (north) | 11.5% |
| 44 | Blue Ball CDP | 11.4% |
| 45 | Unincorporated (southwest 2) | 11.3% |
| 46 | Mountville borough | 11.2% |
| 47 | Manheim borough | 11.1% |
| 48 | Rheems CDP (northeast) | 11% |
| 49 | Bowmansville CDP | 10.5% |
| 50 | Reamstown CDP | 10.3% |
| 51 | Elizabethtown borough (north-northwest) | 10.2% |
| 52 | Salunga CDP (northeast) | 10.2% |
| 53 | Unincorporated (southwest 1) | 10.2% |
| 54 | Akron borough | 9.8% |
| 55 | Mount Joy borough (southwest) | 9.5% |
| 56 | Lancaster city (north) | 9.4% |
| 57 | Willow Street CDP (southwest) | 9.4% |
| 58 | Georgetown CDP | 9.3% |
| 59 | Lititz borough (east) | 9.2% |
| 60 | Bainbridge CDP | 9.1% |
| 61 | Denver borough | 9.1% |
| 62 | Rheems CDP (southwest) | 9% |
| 63 | Lancaster city (northwest 3) | 8.9% |
| 64 | East Petersburg borough | 8.8% |
| 65 | Lancaster city (southwest 3) | 8.8% |
| 66 | Elizabethtown borough (south-southeast) | 8.7% |
| 67 | Wakefield CDP | 8.7% |
| 68 | Gap CDP | 8.6% |
| 69 | Little Britain CDP | 8.5% |
| 70 | Millersville borough (south-southwest) | 8.3% |
| 71 | Lampeter CDP | 8.2% |
| 72 | Unincorporated (south-southwest 1) | 8.2% |
| 73 | Unincorporated (west-southwest) | 8% |
| 74 | Brownstown CDP | 7.8% |
| 75 | Lancaster city (east 1) | 7.7% |
| 76 | Paradise CDP | 7.7% |
| 77 | Washington Boro CDP | 7.4% |
| 78 | Millersville borough (northwest) | 7.1% |
| 79 | Mount Joy borough (northeast) | 7.1% |
| 80 | Lancaster city (west 2) | 6.9% |
| 81 | Rothsville CDP | 6.9% |
| 82 | Lancaster city (southwest 2) | 6.5% |
| 83 | Schoeneck CDP | 6.5% |
| 84 | Farmersville CDP | 6.3% |
| 85 | Lancaster city (south-southwest) | 6.3% |
| 86 | Lancaster city (southeast 2) | 6.3% |
| 87 | Penryn CDP (north-northwest) | 6.2% |
| 88 | Unincorporated (northeast 2) | 6.1% |
| 89 | Christiana borough | 5.9% |
| 90 | Quarryville borough | 5.9% |
| 91 | Ephrata borough (north-northwest) | 5.8% |
| 92 | New Holland borough | 5.8% |
| 93 | Lancaster city (south) | 5.7% |
| 94 | Reinholds CDP | 5.6% |
| 95 | Columbia borough (north) | 5.5% |
| 96 | Soudersburg CDP | 5.4% |
| 97 | Lancaster city (southeast 1) | 5.3% |
| 98 | Unincorporated (northeast 3) | 5.3% |
| 99 | Ephrata borough (west-southwest) | 5.2% |
| 100 | Lancaster city (east 2) | 5.2% |
| 101 | Unincorporated (northwest) | 5.2% |
| 102 | Lititz borough (west) | 5.1% |
| 103 | Millersville borough (south) | 4.9% |
| 104 | Unincorporated (south-southeast 1) | 4.8% |
| 105 | Unincorporated (west-northwest 1) | 4.8% |
| 106 | Millersville borough (east-northeast) | 4.5% |
| 107 | Ephrata borough (east-southeast) | 4.4% |
| 108 | Unincorporated (north-northeast 3) | 3.9% |
| 109 | Willow Street CDP (north-northwest) | 3.9% |
| 110 | Unincorporated (southeast 2) | 3.7% |
| 111 | Columbia borough (east-southeast) | 3.6% |
| 112 | Unincorporated (southeast 1) | 3.5% |
| 113 | Hinkletown CDP | 2.4% |
| 114 | Lancaster city (east 3) | 2.2% |
| 115 | Columbia borough (southwest) | 1.2% |
| 116 | Unincorporated (south-southwest 2) | 1.1% |