The graph below ranks each Maryland County by total of Black residents according to the 2012 census estimates.
Maryland total of Black population by county
| County | Black Population |
| Prince George's |  575,567 |
| City of Baltimore | 395,857 |
| Baltimore | 220,774 |
| Montgomery | 183,819 |
| Anne Arundel | 88,578 |
| Charles | 63,901 |
| Howard | 54,183 |
| Harford | 32,559 |
| Wicomico | 25,030 |
| Frederick | 21,796 |
| St. Mary's | 15,586 |
| Washington | 15,505 |
| Calvert | 12,019 |
| Somerset | 11,111 |
| Dorchester | 9,115 |
| Worcester | 7,116 |
| Cecil | 6,609 |
| Allegany | 6,057 |
| Carroll | 5,685 |
| Talbot | 5,059 |
| Caroline | 4,668 |
| Queen Anne's | 3,398 |
| Kent | 3,057 |
| Garrett | 328 |