Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Birmingham | 1 | 195,400 | 200,375 | -0.63% | 1,329 | 147.1 | City |
| Hoover | 2 | 92,351 | 92,738 | -0.1% | 1,871 | 49.4 | City |
| Vestavia Hills | 3 | 37,650 | 39,129 | -0.97% | 1,880 | 20.0 | City |
| Homewood | 4 | 27,879 | 27,394 | 0.44% | 3,374 | 8.3 | City |
| Trussville | 5 | 26,961 | 26,196 | 0.71% | 764 | 35.3 | City |
| Bessemer | 6 | 24,711 | 26,014 | -1.3% | 610 | 40.5 | City |
| Mountain Brook | 7 | 21,480 | 22,508 | -1.18% | 1,673 | 12.8 | City |
| McCalla | 8 | 16,927 | 12,077 | 7.69% | 501 | 33.8 | CDP |
| Gardendale | 9 | 16,128 | 15,999 | 0.2% | 701 | 23.0 | City |
| Hueytown | 10 | 16,008 | 16,782 | -1.2% | 801 | 20.0 | City |
| Center Point | 11 | 15,484 | 16,367 | -1.41% | 2,491 | 6.2 | City |
| Irondale | 12 | 13,537 | 13,491 | 0.08% | 782 | 17.3 | City |
| Leeds | 13 | 12,444 | 12,330 | 0.23% | 546 | 22.8 | City |
| Clay | 14 | 10,188 | 10,318 | -0.32% | 904 | 11.3 | City |
| Fultondale | 15 | 9,531 | 9,875 | -0.89% | 785 | 12.1 | City |
| Fairfield | 16 | 9,447 | 9,985 | -1.41% | 2,727 | 3.5 | City |
| Meadowbrook | 17 | 9,433 | 10,110 | 0.51% | 2,166 | 4.4 | CDP |
| Pleasant Grove | 18 | 9,340 | 9,538 | -0.53% | 951 | 9.8 | City |
| Forestdale | 19 | 8,967 | 8,688 | -0.95% | 1,329 | 6.7 | CDP |
| Brook Highland | 20 | 8,218 | 7,545 | 1.29% | 2,981 | 2.8 | CDP |
| Pinson | 21 | 7,691 | 7,939 | -0.8% | 645 | 11.9 | City |
| Highland Lakes | 22 | 5,912 | 5,973 | 2.46% | 1,575 | 3.8 | CDP |
| Tarrant | 23 | 5,743 | 6,103 | -1.54% | 902 | 6.4 | City |
| Grayson Valley | 24 | 5,689 | 5,808 | -0.07% | 3,044 | 1.9 | CDP |
| Midfield | 25 | 4,883 | 5,191 | -1.55% | 1,838 | 2.7 | City |
| Kimberly | 26 | 4,527 | 4,271 | 1.43% | 618 | 7.3 | City |
| Mount Olive | 27 | 4,248 | 4,052 | 0.28% | 457 | 9.3 | CDP |
| Adamsville | 28 | 4,109 | 4,360 | -1.51% | 157 | 26.2 | City |
| Eagle Point | 29 | 3,204 | 2,745 | 7.7% | 1,450 | 2.2 | CDP |
| Warrior | 30 | 3,176 | 3,218 | -0.34% | 325 | 9.8 | City |
| Dora | 31 | 2,243 | 2,289 | -0.53% | 284 | 7.9 | City |
| Morris | 32 | 2,240 | 2,274 | -0.4% | 694 | 3.2 | Town |
| Brighton | 33 | 2,206 | 2,328 | -1.39% | 1,559 | 1.4 | City |
| Lipscomb | 34 | 1,981 | 2,079 | -1.25% | 1,685 | 1.2 | City |
| Graysville | 35 | 1,834 | 1,938 | -1.4% | 114 | 16.1 | City |
| Concord | 36 | 1,675 | 1,575 | -0.65% | 498 | 3.4 | CDP |
| Sylvan Springs | 37 | 1,584 | 1,662 | -1.25% | 170 | 9.3 | Town |
| Rock Creek | 38 | 1,444 | 1,530 | -0.07% | 479 | 3.0 | CDP |
| Brookside | 39 | 1,185 | 1,245 | -1.25% | 188 | 6.3 | Town |
| Dunnavant | 40 | 1,160 | 1,150 | 1.13% | 60 | 19.3 | CDP |
| Shoal Creek | 41 | 1,133 | 1,231 | -1.65% | 225 | 5.0 | CDP |
| Minor | 42 | 944 | 832 | -1.05% | 1,422 | 0.7 | CDP |
| Edgewater | 43 | 778 | 832 | -1.02% | 671 | 1.2 | CDP |
| Mulga | 44 | 759 | 787 | -0.91% | 855 | 0.9 | Town |
| McDonald Chapel | 45 | 681 | 662 | -0.29% | 640 | 1.1 | CDP |
| Trafford | 46 | 583 | 617 | -1.52% | 213 | 2.7 | Town |
| West Jefferson | 47 | 482 | 416 | 3.43% | 257 | 1.9 | Town |
| Mount Olive | 48 | 324 | 220 | -1.22% | 39 | 8.3 | CDP |
| Maytown | 49 | 310 | 318 | -0.64% | 114 | 2.7 | Town |
| North Johns | 50 | 125 | 127 | -0.79% | 758 | 0.2 | Town |
| Cardiff | 51 | 51 | 54 | -1.92% | 244 | 0.2 | Town |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Birmingham is the largest city in Jefferson County.
Cardiff is the smallest city in Jefferson County.
There are 51 cities in Jefferson County, Alabama.