Demographics of resident population
| Population | ||
| Males | Females | |
| n (%) | n (%) | |
| Within 50-mile radius of UAB | ||
| Age group | ||
| 18–24 | 72 394 (12.9) | 73 673 (11.8) |
| 25–34 | 101 801 (18.2) | 105 579 (16.9) |
| 35–44 | 90 888 (16.2) | 100 059 (16.0) |
| 45–54 | 95 405 (17.1) | 101 558 (16.3) |
| 55–64 | 94 455 (16.9) | 105 934 (17.0) |
| 65 and older | 104 470 (18.7) | 137 712 (22.1) |
| 559 413 (100.0) | 624 515 (100.0) | |
| Within 50-mile radius of VUMC | ||
| Age group | ||
| 18–24 | 110 156 (13.1) | 105 398 (11.8) |
| 25–34 | 173 532 (20.7) | 177 680 (19.9) |
| 35–44 | 151 721 (18.1) | 154 488 (17.3) |
| 45–54 | 145 301 (17.3) | 151 106 (16.9) |
| 55–64 | 129 840 (15.5) | 142 346 (15.9) |
| 65 and older | 127 731 (15.2) | 162 755 (18.2) |
| 838 281 (100.0) | 893 773 (100.0) | |
| Within 20-mile radius of LAC+USC | ||
| Age group | ||
| 18–24 | 416 407 (12.8) | 410 730 (12.0) |
| 25–34 | 720 542 (22.2) | 695 344 (20.4) |
| 35–44 | 590 097 (18.2) | 588 267 (17.2) |
| 45–54 | 561 536 (17.3) | 572 186 (16.8) |
| 55–64 | 472 297 (14.6) | 515 058 (15.1) |
| 65 and older | 480 799 (14.8) | 634 333 (18.6) |
| 3 241 678 (100.0) | 3 415 918 (100.0) | |
LAC+USC, Los Angeles County + University of Southern California Medical Center; UAB, The University of Alabama at Birmingham; VUMC, Vanderbilt University Medical Center.