Founded in 1674, Cecil County is one of 23 counties in the state of Maryland. Historically, Cecil County was formed from parts of Baltimore County and Kent County. The city of Elkton is the county seat. With FIPS code of 15, Cecil County has a population of 103,905 and area of 418 square miles (1,083 km2).
List of all cities in Cecil County, MD alphabetically
| City/Town | Postal Code | Area Code |
| Bainbridge, MD | 21904 | 410/443/667 |
| Cecilton, MD | 21913 | 410/443/667 |
| Charlestown, MD | 21914 | 410/443/667 |
| Chesapeake City, MD | 21915 | 410/443/667 |
| Childs, MD | 21916 | 410/443/667 |
| Colora, MD | 21917 | 410/443/667 |
| Conowingo, MD | 21918 | 410/443/667 |
| Earleville, MD | 21919 | 410/443/667 |
| Elk Mills, MD | 21920 | 410/443/667 |
| Elkton, MD | 21921 | 410/443/667 |
| 21922 | 410/443/667 | |
| Georgetown, MD | 21930 | 410/443/667 |
| North East, MD | 21901 | 410/443/667 |
| Northeast, MD | 21901 | 410/443/667 |
| Perry Point, MD | 21902 | 410/443/667 |
| Perryville, MD | 21903 | 410/443/667 |
| Port Deposit, MD | 21904 | 410/443/667 |
| Rising Sun, MD | 21911 | 410/443/667 |
| Warwick, MD | 21912 | 410/443/667 |