| County | Opium, Cocaine, Heroin |
Marijuana |
Synthetic Narcotics |
Other |
| Alleghany | 16 | 249 | 14 | 47 |
| Anne Arundel | 1,328 | 2,145 | 72 | 64 |
| Baltimore | 14,447 | 3,003 | 5 | 597 |
| Calvert | 128 | 351 | 6 | 13 |
| Caroline | 16 | 61 | 0 | 0 |
| Carroll | 84 | 321 | 3 | 3 |
| Cecil | 200 | 488 | 15 | 25 |
| Charles | 147 | 390 | 4 | 7 |
| Dorchester | 156 | 155 | 3 | 2 |
| Frederick | 308 | 485 | 15 | 25 |
| Garrett | 6 | 87 | 0 | 1 |
| Howard | 190 | 547 | 17 | 6 |
| Kent | 68 | 99 | 2 | 7 |
| Montgomery | 737 | 1,655 | 41 | 47 |
| Prince George's | 1,898 | 2,101 | 15 | 17 |
| Queen Anne's | 74 | 312 | 2 | 7 |
| Somerset | 45 | 100 | 3 | 3 |
| St. Mary's | 153 | 348 | 0 | 1 |
| Talbot | 97 | 126 | 0 | 2 |
| Washington | 453 | 318 | 39 | 30 |
| Wiomico | 318 | 254 | 4 | 6 |
| Worcester | 125 | 878 | 11 | 9 |