The graph below ranks each Maryland County by total of White residents according to the 2012 census estimates.
Maryland total of White population by county
| County | White Population |
| Montgomery |  634,829 |
| Baltimore | 529,858 |
| Anne Arundel | 423,085 |
| Prince George's | 233,576 |
| Harford | 202,312 |
| Frederick | 200,478 |
| City of Baltimore | 195,439 |
| Howard | 186,499 |
| Carroll | 156,007 |
| Washington | 127,022 |
| Cecil | 91,516 |
| St. Mary's | 86,649 |
| Charles | 75,355 |
| Calvert | 73,549 |
| Wicomico | 69,862 |
| Allegany | 65,817 |
| Queen Anne's | 43,591 |
| Worcester | 42,801 |
| Talbot | 31,763 |
| Garrett | 29,163 |
| Caroline | 26,735 |
| Dorchester | 22,332 |
| Kent | 16,452 |
| Somerset | 14,308 |