| County |
#missing |
#unid |
| Allegheny |
4 |
1 |
| Anne Arundel |
15 |
5 |
| Baltimore |
61 |
12 |
| Calvert |
3 |
1 |
| Caroline |
1 |
|
| Carroll |
2 |
|
| Cecil |
5 |
2 |
| Charles |
2 |
2 |
| Dorchester |
1 |
|
| Frederick |
6 |
5 |
| Garrett |
2 |
|
| Harford |
8 |
2 |
| Howard |
4 |
|
| Kent |
0 |
|
| Montgomery |
59 |
4 |
| Prince George's |
22 |
17 |
| Queen Anne's |
3 |
|
| Somerset |
8 |
1 |
| St. Mary's |
1 |
|
| Talbot |
1 |
|
| Washington |
1 |
1 |
| Wicomico |
2 |
2 |
| Worchester |
1 |
2 |
| |
212 |
57 |
|
|
