50K
100K
150K
200K
250K
300K
350K
400K
450K
500K
550K
600K
650K
Top 5 Most Populous Counties
664,899
443,961
411,123
273,870
241,856
| County | 2026 Pop. ↓ | Area (mi²) | Density (/mi²) | Change (2020) |
|---|---|---|---|---|
| Jefferson County | 664,899 | 1.1K | 598 | -1.46% |
| Madison County | 443,961 | 802 | 554 | 13.69% |
| Mobile County | 411,123 | 1.2K | 335 | -0.79% |
| Baldwin County | 273,870 | 1.6K | 172 | 17.41% |
| Tuscaloosa County | 241,856 | 1.3K | 183 | 3.98% |
| Shelby County | 241,298 | 785 | 307 | 7.77% |
| Montgomery County | 225,893 | 785 | 288 | -1.07% |
| Lee County | 191,980 | 608 | 316 | 9.8% |
| Limestone County | 126,805 | 563 | 225 | 21.7% |
| Morgan County | 126,718 | 580 | 218 | 2.75% |
| Calhoun County | 115,365 | 606 | 190 | -0.75% |
| Houston County | 110,929 | 580 | 191 | 3.38% |
| Etowah County | 104,297 | 535 | 195 | 0.83% |
| Marshall County | 104,214 | 566 | 184 | 6.67% |
| St. Clair County | 99,366 | 632 | 157 | 8.36% |
| Lauderdale County | 96,972 | 668 | 145 | 3.13% |
| Cullman County | 95,247 | 735 | 130 | 8.08% |
| Elmore County | 92,103 | 619 | 149 | 4.82% |
| Talladega County | 81,725 | 737 | 111 | 0.41% |
| DeKalb County | 74,589 | 777 | 96 | 4.08% |
| Walker County | 65,163 | 791 | 82 | 0.02% |
| Autauga County | 62,364 | 594 | 105 | 5.86% |
| Blount County | 60,139 | 645 | 93 | 1.76% |
| Colbert County | 59,875 | 593 | 101 | 4.48% |
| Russell County | 58,837 | 641 | 92 | -0.7% |
| Coffee County | 57,424 | 679 | 85 | 7.19% |
| Jackson County | 54,627 | 1.1K | 51 | 3.97% |
| Dale County | 49,800 | 561 | 89 | 1.08% |
| Chilton County | 48,052 | 693 | 69 | 6.66% |
| Tallapoosa County | 41,014 | 717 | 57 | -0.67% |
| Covington County | 37,928 | 1K | 37 | 1.12% |
| Escambia County | 36,657 | 945 | 39 | -0.08% |
| Dallas County | 34,696 | 979 | 35 | -9.12% |
| Chambers County | 34,197 | 597 | 57 | -1.11% |
| Pike County | 34,177 | 672 | 51 | 3.86% |
| Lawrence County | 34,035 | 691 | 49 | 2.87% |
| Franklin County | 32,709 | 634 | 52 | 1.94% |
| Marion County | 28,836 | 742 | 39 | -1.22% |
| Geneva County | 27,777 | 574 | 48 | 4.04% |
| Cherokee County | 26,738 | 554 | 48 | 7.05% |
| Barbour County | 24,694 | 885 | 28 | -1.06% |
| Winston County | 23,788 | 613 | 39 | 1.21% |
| Randolph County | 23,260 | 581 | 40 | 5.26% |
| Bibb County | 22,299 | 622 | 36 | 0.53% |
| Clarke County | 21,901 | 1.2K | 18 | -4.7% |
| Monroe County | 18,841 | 1K | 18 | -4.39% |
| Henry County | 18,554 | 562 | 33 | 8.05% |
| Marengo County | 18,152 | 977 | 19 | -5.78% |
| Macon County | 17,989 | 609 | 30 | -7.58% |
| Pickens County | 17,973 | 881 | 20 | -5.19% |
| Butler County | 17,924 | 777 | 23 | -5.77% |
| Cleburne County | 16,102 | 560 | 29 | 6.9% |
| Fayette County | 15,823 | 628 | 25 | -3.11% |
| Hale County | 15,242 | 644 | 24 | 3.21% |
| Washington County | 14,672 | 1.1K | 14 | -4.32% |
| Clay County | 14,202 | 604 | 24 | -0.1% |
| Lamar County | 13,621 | 605 | 23 | -2.33% |
| Crenshaw County | 13,211 | 609 | 22 | 0.28% |
| Choctaw County | 11,718 | 913 | 13 | -7.17% |
| Sumter County | 11,547 | 904 | 13 | -5.3% |
| Conecuh County | 10,753 | 850 | 13 | -6.93% |
| Coosa County | 10,038 | 651 | 15 | -2.9% |
| Bullock County | 9,697 | 623 | 16 | -5.29% |
| Wilcox County | 9,442 | 888 | 11 | -10.41% |
| Lowndes County | 9,201 | 716 | 13 | -10.5% |
| Perry County | 7,224 | 720 | 10 | -14.56% |
| Greene County | 6,998 | 647 | 11 | -9.13% |