| 1 | Ellicott City CDP (south-southwest) | 13.2% |
| 2 | Columbia CDP (north-northwest) | 10.4% |
| 3 | Ellicott City CDP (north-northeast) | 8.3% |
| 4 | Savage CDP (west-southwest) | 7.8% |
| 5 | Columbia CDP (west-southwest) | 7.6% |
| 6 | Scaggsville CDP (west) | 7.5% |
| 7 | Ellicott City CDP (south) | 7.2% |
| 8 | Fulton CDP (north-northeast) | 7.2% |
| 9 | Ilchester CDP (south-southwest) | 6.3% |
| 10 | Ellicott City CDP (northwest 1) | 5.8% |
| 11 | Fulton CDP (east-southeast) | 5.8% |
| 12 | North Laurel CDP (south) | 5.6% |
| 13 | Ellicott City CDP (northeast 2) | 5.2% |
| 14 | Ellicott City CDP (southwest) | 5.1% |
| 15 | Columbia CDP (north-northeast) | 4.4% |
| 16 | Scaggsville CDP (southeast) | 4.4% |
| 17 | Elkridge CDP (northeast) | 4.3% |
| 18 | Elkridge CDP (southwest) | 4.2% |
| 19 | Ellicott City CDP (east-northeast) | 4.1% |
| 20 | Savage CDP (south) | 3.8% |
| 21 | Highland CDP (south) | 3.7% |
| 22 | Ellicott City CDP (southeast 1) | 3.2% |
| 23 | Lisbon CDP (west) | 3.2% |
| 24 | Savage CDP (north-northwest 2) | 3.1% |
| 25 | Columbia CDP (east-northeast) | 3% |
| 26 | Ellicott City CDP (west-southwest) | 3% |
| 27 | Ilchester CDP (northeast) | 3% |
| 28 | Lisbon CDP (east-northeast 1) | 2.9% |
| 29 | North Laurel CDP (east) | 2.9% |
| 30 | Ellicott City CDP (north-northwest) | 2.8% |
| 31 | Fulton CDP (west-northwest) | 2.8% |
| 32 | Lisbon CDP (east-northeast 2) | 2.8% |
| 33 | Ellicott City CDP (northeast 1) | 2.7% |
| 34 | Ellicott City CDP (northwest 2) | 2.4% |
| 35 | Ellicott City CDP (southeast 2) | 2.2% |
| 36 | North Laurel CDP (west-northwest) | 2% |
| 37 | Fulton CDP (north) | 1.9% |
| 38 | Ilchester CDP (west) | 1.9% |
| 39 | Savage CDP (east) | 1.9% |
| 40 | Highland CDP (west) | 1.8% |
| 41 | Ilchester CDP (northwest) | 1.7% |
| 42 | North Laurel CDP (southeast) | 1.6% |
| 43 | Columbia CDP (southeast) | 1.5% |
| 44 | Highland CDP (north-northeast) | 1.1% |
| 45 | Savage CDP (north-northwest 1) | 1.1% |
| 46 | Fulton CDP (southwest) | 1% |
| 47 | Fulton CDP (south-southeast) | 0.5% |
| 48 | Savage CDP (northeast) | 0.5% |
| 49 | Lisbon CDP (west-southwest) | 0.4% |
| 50 | North Laurel CDP (north-northwest) | 0.1% |
| 51 | Columbia CDP (south-southwest) | 0% |
| 52 | Ellicott City CDP (north) | 0% |
| 53 | Ellicott City CDP (south-southeast) | 0% |
| 54 | Ellicott City CDP (west) | 0% |
| 55 | Fulton CDP (north-northwest) | 0% |
| 56 | Ilchester CDP (east) | 0% |
| 57 | Ilchester CDP (south-southeast) | 0% |
| 58 | Lisbon CDP (south-southwest) | 0% |
| 59 | Scaggsville CDP (north-northwest) | 0% |