| Rank | Average Family Size ▼ | School District / Population |
| 1. | 3.59 | Fort Rucker School District / 4,647 |
| 2. | 3.55 | Maxwell AFB School District / 2,514 |
| 3. | 3.38 | Tarrant City School District / 6,590 |
| 4. | 3.27 | Albertville City School District / 21,160 |
| 5. | 3.24 | Midfield City School District / 5,365 |
| 6. | 3.23 | Russellville City School District / 9,830 |
| 7. | 3.17 | Selma City School District / 20,756 |
| 7. | 3.17 | Wilcox County School District / 11,670 |
| 9. | 3.16 | Madison City School District / 42,938 |
| 10. | 3.15 | Fort Payne City School District / 14,012 |
| 11. | 3.14 | Lowndes County School District / 11,299 |
| 12. | 3.13 | Autauga County School District / 54,571 |
| 13. | 3.12 | Bullock County School District / 10,914 |
| 13. | 3.12 | Mountain Brook City School District / 20,413 |
| 15. | 3.11 | Mobile County School District / 399,587 |
| 15. | 3.11 | Dallas County School District / 23,064 |
| 15. | 3.11 | Boaz City School District / 9,551 |
| 15. | 3.11 | Bessemer City School District / 27,456 |
| 15. | 3.11 | DeKalb County School District / 57,097 |
| 15. | 3.11 | Oneonta City School District / 6,567 |
| 15. | 3.11 | Roanoke City School District / 6,074 |
| 22. | 3.10 | Shelby County School District / 170,473 |
| 22. | 3.10 | Greene County School District / 9,045 |
| 22. | 3.10 | Fairfield City School District / 11,117 |
| 22. | 3.10 | Perry County School District / 10,591 |
| 26. | 3.09 | Bibb County School District / 22,915 |
| 27. | 3.08 | Trussville City School District / 19,496 |
| 27. | 3.08 | Washington County School District / 17,581 |
| 29. | 3.07 | Blount County School District / 50,755 |
| 29. | 3.07 | Lee County School District / 56,237 |
| 29. | 3.07 | Marengo County School District / 8,822 |
| 32. | 3.06 | St. Clair County School District / 53,540 |
| 32. | 3.06 | Chilton County School District / 43,643 |
| 32. | 3.06 | Montgomery County School District / 226,849 |
| 32. | 3.06 | Tuscaloosa County School District / 105,218 |
| 36. | 3.05 | Birmingham City School District / 212,237 |
| 36. | 3.05 | Hale County School District / 15,760 |
| 36. | 3.05 | Madison County School District / 123,029 |
| 36. | 3.05 | Oxford City School District / 23,361 |
| 40. | 3.04 | Vestavia Hills City School District / 34,033 |
| 40. | 3.04 | Demopolis City School District / 7,483 |
| 40. | 3.04 | Tallassee City School District / 8,854 |
| 40. | 3.04 | Elmore County School District / 72,158 |
| 40. | 3.04 | Russell County School District / 24,278 |
| 45. | 3.03 | Phenix City City School District / 32,822 |
| 45. | 3.03 | Hoover City School District / 81,093 |
| 45. | 3.03 | Jefferson County School District / 230,679 |
| 48. | 3.02 | Opelika City School District / 26,477 |
| 48. | 3.02 | Homewood City School District / 25,167 |
| 48. | 3.02 | Escambia County School District / 32,911 |
| 48. | 3.02 | Clarke County School District / 19,941 |
| 48. | 3.02 | Sumter County School District / 13,763 |
| 53. | 3.01 | Marshall County School District / 47,197 |
| 53. | 3.01 | Monroe County School District / 23,068 |
| 53. | 3.01 | Saraland City School District / 13,405 |
| 53. | 3.01 | Macon County School District / 21,452 |
| 53. | 3.01 | Barbour County School District / 14,320 |
| 53. | 3.01 | Eufaula City School District / 13,137 |
| 53. | 3.01 | Thomasville City School District / 5,892 |
| 53. | 3.01 | Houston County School District / 36,943 |
| 61. | 3.00 | Butler County School District / 20,947 |
| 61. | 3.00 | Enterprise City School District / 26,562 |
| 61. | 3.00 | Pickens County School District / 19,746 |
| 64. | 2.99 | Walker County School District / 52,671 |
| 64. | 2.99 | Morgan County School District / 50,012 |
| 64. | 2.99 | Cullman County School District / 65,702 |
| 64. | 2.99 | Cleburne County School District / 14,610 |
| 64. | 2.99 | Calhoun County School District / 57,392 |
| 64. | 2.99 | Auburn City School District / 53,380 |
| 64. | 2.99 | Franklin County School District / 21,874 |
| 64. | 2.99 | Decatur City School District / 55,683 |
| 64. | 2.99 | Limestone County School District / 57,348 |
| 64. | 2.99 | Gadsden City School District / 36,856 |
| 74. | 2.98 | Talladega County School District / 49,716 |
| 75. | 2.97 | Attalla City School District / 6,048 |
| 75. | 2.97 | Crenshaw County School District / 13,906 |
| 75. | 2.97 | Hartselle City School District / 13,879 |
| 75. | 2.97 | Brewton City School District / 5,408 |
| 75. | 2.97 | Chambers County School District / 27,747 |
| 80. | 2.96 | Sylacauga City School District / 12,749 |
| 80. | 2.96 | Coffee County School District / 18,627 |
| 80. | 2.96 | Jackson County School District / 38,458 |
| 80. | 2.96 | Athens City School District / 21,897 |
| 80. | 2.96 | Talladega City School District / 15,676 |
| 85. | 2.95 | Daleville City School District / 11,560 |
| 85. | 2.95 | Lawrence County School District / 34,339 |
| 85. | 2.95 | Pike County School District / 14,866 |
| 85. | 2.95 | Geneva City School District / 6,290 |
| 85. | 2.95 | Pell City City School District / 27,712 |
| 85. | 2.95 | Etowah County School District / 60,417 |
| 85. | 2.95 | Tuscaloosa City School District / 89,438 |
| 85. | 2.95 | Choctaw County School District / 13,859 |
| 93. | 2.94 | Elba City School District / 5,178 |
| 94. | 2.93 | Randolph County School District / 16,839 |
| 94. | 2.93 | Dale County School District / 15,572 |
| 94. | 2.93 | Dothan City School District / 65,496 |
| 94. | 2.93 | Lanett City School District / 6,468 |
| 94. | 2.93 | Jasper City School District / 14,352 |
| 94. | 2.93 | Baldwin County School District / 182,265 |
| 94. | 2.93 | Cullman City School District / 14,677 |
| 94. | 2.93 | Alexander City City School District / 17,464 |
| 94. | 2.93 | Muscle Shoals City School District / 13,091 |
| 94. | 2.93 | Lauderdale County School District / 53,390 |
| 94. | 2.93 | Huntsville City School District / 172,297 |
| 94. | 2.93 | Piedmont City School District / 6,677 |
| 94. | 2.93 | Andalusia City School District / 9,015 |
| 107. | 2.92 | Ozark City School District / 17,166 |
| 107. | 2.92 | Colbert County School District / 23,875 |
| 107. | 2.92 | Geneva County School District / 20,500 |
| 107. | 2.92 | Leeds City School District / 11,773 |
| 107. | 2.92 | Henry County School District / 17,297 |
| 107. | 2.92 | Conecuh County School District / 13,228 |
| 107. | 2.92 | Arab City School District / 8,050 |
| 107. | 2.92 | Opp City School District / 6,659 |
| 107. | 2.92 | Troy City School District / 18,033 |
| 107. | 2.92 | Clay County School District / 13,932 |
| 117. | 2.91 | Jacksonville City School District / 12,548 |
| 117. | 2.91 | Covington County School District / 22,091 |
| 117. | 2.91 | Haleyville City School District / 8,649 |
| 120. | 2.90 | Anniston City School District / 23,106 |
| 121. | 2.89 | Fayette County School District / 15,936 |
| 121. | 2.89 | Sheffield City School District / 9,039 |
| 121. | 2.89 | Winfield City School District / 6,698 |
| 121. | 2.89 | Coosa County School District / 11,539 |
| 121. | 2.89 | Cherokee County School District / 25,989 |
| 126. | 2.88 | Tallapoosa County School District / 22,443 |
| 126. | 2.88 | Lamar County School District / 14,564 |
| 128. | 2.87 | Guntersville City School District / 8,197 |
| 129. | 2.86 | Marion County School District / 24,873 |
| 129. | 2.86 | Scottsboro City School District / 14,769 |
| 129. | 2.86 | Linden City School District / 4,722 |
| 132. | 2.85 | Winston County School District / 16,345 |
| 133. | 2.84 | Florence City School District / 39,319 |
| 134. | 2.83 | Tuscumbia City School District / 8,423 |
Please note that we only rank locations with 'Average Family Size' data. The rank above might not be a complete list. Locations without 'Average Family Size' data are not listed.
