| 1 | North Laurel CDP (west-northwest) | 98.5% |
| 2 | Ellicott City CDP (north) | 98.2% |
| 3 | Ellicott City CDP (west-southwest) | 97.5% |
| 4 | Highland CDP (south) | 97.5% |
| 5 | Ilchester CDP (northwest) | 97.4% |
| 6 | Lisbon CDP (west-southwest) | 97% |
| 7 | Lisbon CDP (south-southwest) | 96.5% |
| 8 | Ellicott City CDP (west) | 96.2% |
| 9 | Ilchester CDP (south-southeast) | 95.9% |
| 10 | Fulton CDP (southwest) | 95.1% |
| 11 | Lisbon CDP (east-northeast 2) | 94.4% |
| 12 | Fulton CDP (west-northwest) | 94.1% |
| 13 | Ilchester CDP (northeast) | 93.7% |
| 14 | Highland CDP (west) | 93.5% |
| 15 | Ellicott City CDP (southeast 2) | 91% |
| 16 | Ellicott City CDP (south-southeast) | 90.9% |
| 17 | Fulton CDP (north-northwest) | 89.9% |
| 18 | Columbia CDP (south-southwest) | 89.4% |
| 19 | Lisbon CDP (west) | 88.8% |
| 20 | Scaggsville CDP (west) | 88.4% |
| 21 | Elkridge CDP (northeast) | 88.2% |
| 22 | Fulton CDP (south-southeast) | 86.4% |
| 23 | Highland CDP (north-northeast) | 85.5% |
| 24 | Scaggsville CDP (north-northwest) | 84.2% |
| 25 | Lisbon CDP (east-northeast 1) | 83% |
| 26 | Scaggsville CDP (southeast) | 80.3% |
| 27 | Ellicott City CDP (northwest 2) | 79% |
| 28 | Columbia CDP (east-northeast) | 78.2% |
| 29 | Ellicott City CDP (northeast 1) | 77.5% |
| 30 | Ilchester CDP (south-southwest) | 75.9% |
| 31 | Ellicott City CDP (north-northwest) | 75.8% |
| 32 | Ilchester CDP (west) | 75.3% |
| 33 | Columbia CDP (west-southwest) | 74.9% |
| 34 | Ellicott City CDP (east-northeast) | 73.8% |
| 35 | Savage CDP (north-northwest 2) | 72% |
| 36 | Ellicott City CDP (northwest 1) | 71.9% |
| 37 | Ellicott City CDP (southeast 1) | 69.4% |
| 38 | Ellicott City CDP (south-southwest) | 68.7% |
| 39 | Fulton CDP (north-northeast) | 67.9% |
| 40 | North Laurel CDP (north-northwest) | 67.9% |
| 41 | Savage CDP (west-southwest) | 67.9% |
| 42 | Fulton CDP (north) | 67.5% |
| 43 | Ellicott City CDP (southwest) | 64.3% |
| 44 | Savage CDP (south) | 64.3% |
| 45 | Elkridge CDP (southwest) | 61.8% |
| 46 | Columbia CDP (north-northeast) | 60.8% |
| 47 | North Laurel CDP (east) | 60.1% |
| 48 | Ilchester CDP (east) | 59% |
| 49 | Columbia CDP (southeast) | 58.5% |
| 50 | North Laurel CDP (southeast) | 57.9% |
| 51 | Fulton CDP (east-southeast) | 54.4% |
| 52 | Savage CDP (east) | 50.7% |
| 53 | Ellicott City CDP (south) | 46.8% |
| 54 | Savage CDP (northeast) | 46.3% |
| 55 | Savage CDP (north-northwest 1) | 44.1% |
| 56 | Ellicott City CDP (north-northeast) | 37% |
| 57 | North Laurel CDP (south) | 34.8% |
| 58 | Ellicott City CDP (northeast 2) | 21.2% |
| 59 | Columbia CDP (north-northwest) | 16.6% |