Founded in 1836, DeKalb County is the 20th biggest county by population (out of 67) in the state of Alabama. Historically, DeKalb County was formed from Cherokee territory. The city of Fort Payne is the County seat. With population density of 91.52 residents per square miles, DeKalb County has a population of 71,109 and area of 777.09 square miles.
List of all cities and towns in DeKalb County, Al
| City/Town | Postal Code | Area Code |
| Collinsville, AL | 35961 | 256 |
| Crossville, AL | 35962 | 256 |
| Dawson, AL | 35963 | 256 |
| Fort Payne, AL | 35967, 35968 | 256 |
| Fyffe, AL | 35971 | 256 |
| Geraldine, AL | 35974 | 256 |
| Groveoak, AL | 35975 | 256 |
| Hammondville, AL | 35989 | 256 |
| Henagar, AL | 35978 | 256 |
| Ider, AL | 35981 | 256 |
| Mentone, AL | 35984 | 256 |
| Rainsville, AL | 35986 | 256 |
| Sylvania, AL | 35988 | 256 |
| Valley Head, AL | 35989 | 256 |
Map of Cities in DeKalb County, Al
