| 1 | Harrisburg city (north-northwest) | 38% |
| 2 | Harrisburg city (east-southeast 1) | 36.5% |
| 3 | Harrisburg city (southeast) | 36.3% |
| 4 | Harrisburg city (east 1) | 34.1% |
| 5 | Harrisburg city (east-northeast) | 30.3% |
| 6 | Bressler CDP | 28.1% |
| 7 | Penbrook borough | 25.3% |
| 8 | Harrisburg city (east 2) | 24.9% |
| 9 | Harrisburg city (west-southwest 2) | 24.5% |
| 10 | Steelton borough (northwest) | 21.9% |
| 11 | Harrisburg city (east-southeast 2) | 21.8% |
| 12 | Harrisburg city (south) | 20% |
| 13 | Hershey CDP (east) | 19.4% |
| 14 | Harrisburg city (northwest) | 19% |
| 15 | Harrisburg city (west-northwest 1) | 18.8% |
| 16 | Progress CDP (west-southwest) | 18.3% |
| 17 | Colonial Park CDP (north-northwest) | 16.5% |
| 18 | Royalton borough | 16.5% |
| 19 | Hershey CDP (north-northwest 2) | 16.1% |
| 20 | Unincorporated (west 2) | 14.8% |
| 21 | Colonial Park CDP (west) | 14.1% |
| 22 | Steelton borough (southeast) | 12.8% |
| 23 | Middletown borough (south-southwest) | 12.2% |
| 24 | Unincorporated (south-southeast 1) | 11.8% |
| 25 | Unincorporated (south-southwest 1) | 11.7% |
| 26 | Rutherford CDP | 11.6% |
| 27 | Unincorporated (south-southeast 2) | 11.2% |
| 28 | Harrisburg city (west-northwest 2) | 10.3% |
| 29 | Unincorporated (south-southwest 2) | 9.7% |
| 30 | Middletown borough (north) | 9.3% |
| 31 | Lawnton CDP | 9% |
| 32 | Palmdale CDP | 8.7% |
| 33 | Hummelstown borough | 8.4% |
| 34 | Highspire borough | 8.3% |
| 35 | Williamstown borough | 7.6% |
| 36 | Unincorporated (south-southeast 3) | 7.5% |
| 37 | Progress CDP (east-southeast) | 7.3% |
| 38 | Union Deposit CDP | 6.8% |
| 39 | Unincorporated (east-southeast 1) | 6.7% |
| 40 | Gratz borough | 6.5% |
| 41 | Colonial Park CDP (south-southeast) | 6.3% |
| 42 | Harrisburg city (west-southwest 3) | 6.1% |
| 43 | Paxtang borough | 6% |
| 44 | Paxtonia CDP | 6% |
| 45 | Unincorporated (west-northwest 2) | 5.8% |
| 46 | Hershey CDP (north-northwest 1) | 5.7% |
| 47 | Unincorporated (west 1) | 5.7% |
| 48 | Harrisburg city (west-southwest 1) | 5.6% |
| 49 | Progress CDP (northwest) | 5.5% |
| 50 | Hershey CDP (south-southwest) | 5.4% |
| 51 | Middletown borough (east-southeast) | 5.2% |
| 52 | Colonial Park CDP (east) | 5.1% |
| 53 | Millersburg borough | 4.9% |
| 54 | Skyline View CDP (south-southeast) | 4% |
| 55 | Unincorporated (east-southeast 2) | 3.7% |
| 56 | Linglestown CDP (west-northwest) | 3.6% |
| 57 | Linglestown CDP (east-southeast) | 3.1% |
| 58 | Unincorporated (north-northeast) | 3% |
| 59 | Unincorporated (north) | 2.8% |
| 60 | Elizabethville borough | 2.7% |
| 61 | Unincorporated (east) | 2.2% |
| 62 | Skyline View CDP (north-northwest) | 1.8% |
| 63 | Halifax borough | 0.9% |
| 64 | Lenkerville CDP | 0.9% |
| 65 | Lykens borough | 0.7% |
| 66 | Unincorporated (west-northwest 1) | 0.6% |
| 67 | Dauphin borough | 0.4% |