| County | Black Percentage of Total Population |
| Prince George's |  65 |
| City of Baltimore | 64 |
| Somerset | 42 |
| Charles | 42 |
| Dorchester | 28 |
| Baltimore | 27 |
| Wicomico | 25 |
| Montgomery | 18 |
| Howard | 18 |
| Anne Arundel | 16 |
| Kent | 15 |
| St. Mary's | 14 |
| Caroline | 14 |
| Worcester | 14 |
| Calvert | 13 |
| Talbot | 13 |
| Harford | 13 |
| Washington | 10 |
| Frederick | 9 |
| Allegany | 8 |
| Queen Anne's | 7 |
| Cecil | 7 |
| Carroll | 3 |
| Garrett | 1 |