Founded in 1812, Mobile County is the 2nd biggest county by population (out of 67) in the state of Alabama. Historically, Mobile County was formed from Mobile District of West Florida after annexation into Mississippi Territory. The city of Mobile is the County seat. With population density of 336.04 residents per square miles, Mobile County has a population of 412,992 and area of 1,229.44 square miles.
List of all cities and towns in Mobile County, Al
| City/Town | Postal Code | Area Code |
| Alabama Port, AL | 36523 | 251 |
| Axis, AL | 36505 | 251 |
| Bayou Labatre, AL | 36509 | 251 |
| Brookley Field, AL | 36615 | 251 |
| Bucks, AL | 36512 | 251 |
| Chastang, AL | 36560 | 251 |
| Chickasaw, AL | 36611, 36671 | 251 |
| Chunchula, AL | 36521 | 251 |
| Citronelle, AL | 36522 | 251 |
| Coden, AL | 36523 | 251 |
| Creola, AL | 36525 | 251 |
| Dauphin Island, AL | 36528 | 251 |
| Eight Mile, AL | 36613, 36663 | 251 |
| Fellowship, AL | 36521 | 251 |
| Georgetown, AL | 36521 | 251 |
| Grand Bay, AL | 36541 | 251 |
| Gulf Crest, AL | 36521 | 251 |
| Heron Bay, AL | 36523 | 251 |
| Irvington, AL | 36544 | 251 |
| Lemoyne, AL | 36505 | 251 |
| Magazine, AL | 36610 | 251 |
| Mobile, AL | 36601, 36602, 36603, 36604, 36605, 36606, 36607, 36608, 36609, 36610, 36611, 36612, 36613, 36615, 36616, 36617, 36618, 36619, 36625, 36628, 36630, 36633, 36640, 36641, 36644, 36652, 36660, 36663, 36670, 36671, 36675, 36685, 36688, 36689, 36691, 36693, 36695 | 251 |
| Mobile Gov Plz, AL | 36644 | 251 |
| Mobile P&DC, AL | 36675 | 251 |
| Mon Louis, AL | 36523 | 251 |
| Morrisons Cafeteria, AL | 36625 | 251 |
| Mount Vernon, AL | 36560 | 251 |
| Press Register Inc, AL | 36630 | 251 |
| Prichard, AL | 36610, 36613, 36617 | 251 |
| Saint Elmo, AL | 36568 | 251 |
| Saltaire, AL | 36582 | 251 |
| Saraland, AL | 36571 | 251 |
| Satsuma, AL | 36572 | 251 |
| Semmes, AL | 36575 | 251 |
| Theodore, AL | 36582, 36590, 36619 | 251 |
| Turnerville, AL | 36521 | 251 |
| U S Corps of Engineers, AL | 36628 | 251 |
| University of South Alabama, AL | 36688 | 251 |
| Whistler, AL | 36612, 36587 | 251 |
Map of Cities in Mobile County, Al
