| Seal of Cecil County | |
|---|---|
 | |
| Armiger | Cecil County |
| Adopted | May 20, 2008 |
| Torse | CECIL COUNTY |
| Motto | 1674 |
The seal of Cecil County was adopted in June 1968 and updated in May 2008. Elements of the seal are featured on the design of the Cecil County flag, which was adopted in 1974.