The graph below ranks each Maryland County by total of Mixed Race residents according to the 2012 census estimates.
Maryland total of Mixed Race population by county
| County | Mixed Race Population |
| Montgomery |  31,139 |
| Prince George's | 22,917 |
| Baltimore | 17,989 |
| Anne Arundel | 15,405 |
| City of Baltimore | 12,448 |
| Howard | 10,178 |
| Frederick | 5,988 |
| Harford | 5,716 |
| Charles | 5,275 |
| Washington | 3,727 |
| St. Mary's | 3,270 |
| Carroll | 2,508 |
| Calvert | 2,332 |
| Wicomico | 2,312 |
| Cecil | 2,034 |
| Allegany | 1,182 |
| Worcester | 825 |
| Queen Anne's | 777 |
| Caroline | 620 |
| Dorchester | 619 |
| Talbot | 571 |
| Somerset | 472 |
| Kent | 322 |
| Garrett | 209 |