| Rank | Average Family Size ▼ | School District / Population |
| 1. | 4.08 | Fort Rucker School District / 4,996 |
| 2. | 3.80 | Wilcox County School District / 11,367 |
| 3. | 3.70 | Fairfield City School District / 11,039 |
| 4. | 3.70 | Selma City School District / 20,276 |
| 5. | 3.68 | Greene County School District / 8,798 |
| 6. | 3.67 | Fort Payne City School District / 14,115 |
| 7. | 3.64 | Albertville City School District / 21,363 |
| 8. | 3.63 | Perry County School District / 10,203 |
| 9. | 3.62 | Bullock County School District / 10,693 |
| 10. | 3.60 | Maxwell AFB School District / 2,167 |
| 11. | 3.56 | Bibb County School District / 22,653 |
| 12. | 3.56 | Midfield City School District / 5,319 |
| 13. | 3.55 | Russellville City School District / 9,836 |
| 14. | 3.55 | Barbour County School District / 14,222 |
| 15. | 3.52 | Tuscaloosa City School District / 92,037 |
| 16. | 3.47 | Name N/A / 30,978 |
| 17. | 3.47 | Dallas County School District / 22,467 |
| 18. | 3.46 | Tuscaloosa County School District / 106,633 |
| 19. | 3.46 | Monroe County School District / 22,509 |
| 20. | 3.45 | DeKalb County School District / 56,959 |
| 21. | 3.41 | Clarke County School District / 19,903 |
| 22. | 3.41 | Oneonta City School District / 6,623 |
| 23. | 3.39 | Tallassee City School District / 9,384 |
| 24. | 3.38 | Russell County School District / 25,779 |
| 25. | 3.38 | Sumter County School District / 13,433 |
| 26. | 3.37 | Lanett City School District / 6,455 |
| 27. | 3.37 | Elba City School District / 4,868 |
| 28. | 3.36 | Bessemer City School District / 27,202 |
| 29. | 3.35 | Eufaula City School District / 12,897 |
| 30. | 3.35 | Name N/A / 6,026 |
| 31. | 3.35 | Conecuh County School District / 12,985 |
| 32. | 3.34 | Enterprise City School District / 27,375 |
| 33. | 3.34 | Tarrant City School District / 6,331 |
| 34. | 3.34 | Autauga County School District / 55,136 |
| 35. | 3.32 | Mobile County School District / 388,521 |
| 36. | 3.30 | Escambia County School District / 32,616 |
| 37. | 3.30 | Attalla City School District / 5,995 |
| 38. | 3.30 | Boaz City School District / 9,781 |
| 39. | 3.29 | Oxford City School District / 22,764 |
| 40. | 3.29 | Phenix City City School District / 35,753 |
| 41. | 3.29 | Hale County School District / 15,393 |
| 42. | 3.28 | Lowndes County School District / 10,918 |
| 43. | 3.27 | Cleburne County School District / 14,725 |
| 44. | 3.27 | Washington County School District / 17,137 |
| 45. | 3.27 | Dothan City School District / 67,574 |
| 46. | 3.26 | Coffee County School District / 18,917 |
| 47. | 3.26 | Madison City School District / 44,866 |
| 48. | 3.25 | Houston County School District / 37,049 |
| 49. | 3.25 | Decatur City School District / 55,641 |
| 50. | 3.25 | Hartselle City School District / 14,012 |
| 51. | 3.25 | Crenshaw County School District / 13,938 |
| 52. | 3.25 | Leeds City School District / 12,063 |
| 53. | 3.25 | Marshall County School District / 47,747 |
| 54. | 3.25 | Blount County School District / 51,022 |
| 55. | 3.25 | Trussville City School District / 19,741 |
| 56. | 3.24 | Homewood City School District / 25,420 |
| 57. | 3.24 | Opp City School District / 6,675 |
| 58. | 3.23 | Athens City School District / 23,335 |
| 59. | 3.22 | Gadsden City School District / 36,621 |
| 60. | 3.22 | St. Clair County School District / 54,996 |
| 61. | 3.20 | Mountain Brook City School District / 20,484 |
| 62. | 3.20 | Shelby County School District / 144,708 |
| 63. | 3.20 | Birmingham City School District / 211,705 |
| 64. | 3.20 | Montgomery County School District / 226,683 |
| 65. | 3.20 | Pickens County School District / 19,629 |
| 66. | 3.20 | Anniston City School District / 22,749 |
| 67. | 3.20 | Jackson County School District / 38,233 |
| 68. | 3.20 | Madison County School District / 126,978 |
| 69. | 3.19 | Haleyville City School District / 8,684 |
| 70. | 3.19 | Coosa County School District / 11,247 |
| 71. | 3.19 | Elmore County School District / 72,830 |
| 72. | 3.19 | Chilton County School District / 43,781 |
| 73. | 3.19 | Hoover City School District / 82,543 |
| 74. | 3.19 | Lee County School District / 58,296 |
| 75. | 3.18 | Baldwin County School District / 191,205 |
| 76. | 3.18 | Guntersville City School District / 8,316 |
| 77. | 3.17 | Etowah County School District / 60,226 |
| 78. | 3.17 | Talladega City School District / 16,034 |
| 79. | 3.16 | Morgan County School District / 50,091 |
| 80. | 3.16 | Marengo County School District / 8,685 |
| 81. | 3.15 | Butler County School District / 20,523 |
| 82. | 3.15 | Saraland City School District / 13,353 |
| 83. | 3.15 | Vestavia Hills City School District / 34,061 |
| 84. | 3.14 | Cullman County School District / 65,639 |
| 85. | 3.14 | Jefferson County School District / 230,876 |
| 86. | 3.14 | Auburn City School District / 56,986 |
| 87. | 3.13 | Cullman City School District / 14,986 |
| 88. | 3.13 | Calhoun County School District / 57,210 |
| 89. | 3.12 | Arab City School District / 8,241 |
| 90. | 3.12 | Chambers County School District / 27,636 |
| 91. | 3.12 | Choctaw County School District / 13,546 |
| 92. | 3.12 | Randolph County School District / 16,711 |
| 93. | 3.12 | Thomasville City School District / 5,428 |
| 94. | 3.12 | Andalusia City School District / 9,048 |
| 95. | 3.12 | Daleville City School District / 11,115 |
| 96. | 3.12 | Huntsville City School District / 175,158 |
| 97. | 3.11 | Winston County School District / 15,870 |
| 98. | 3.11 | Walker County School District / 51,964 |
| 99. | 3.11 | Limestone County School District / 60,059 |
| 100. | 3.11 | Henry County School District / 17,270 |
| 101. | 3.11 | Jacksonville City School District / 12,416 |
| 102. | 3.11 | Jasper City School District / 14,247 |
| 103. | 3.10 | Demopolis City School District / 7,323 |
| 104. | 3.09 | Tallapoosa County School District / 22,331 |
| 105. | 3.09 | Ozark City School District / 16,968 |
| 106. | 3.09 | Sylacauga City School District / 12,786 |
| 107. | 3.08 | Pell City City School District / 27,778 |
| 108. | 3.07 | Franklin County School District / 21,827 |
| 109. | 3.07 | Brewton City School District / 5,426 |
| 110. | 3.07 | Colbert County School District / 23,507 |
| 111. | 3.07 | Name N/A / 6,145 |
| 112. | 3.06 | Lawrence County School District / 33,835 |
| 113. | 3.06 | Covington County School District / 22,158 |
| 114. | 3.05 | Scottsboro City School District / 14,779 |
| 115. | 3.04 | Dale County School District / 14,956 |
| 116. | 3.03 | Opelika City School District / 27,956 |
| 117. | 3.02 | Pike County School District / 14,580 |
| 118. | 3.01 | Talladega County School District / 48,708 |
| 119. | 3.01 | Geneva City School District / 6,828 |
| 120. | 3.01 | Macon County School District / 20,505 |
| 121. | 3.00 | Sheffield City School District / 9,067 |
| 122. | 3.00 | Fayette County School District / 15,958 |
| 123. | 2.99 | Piedmont City School District / 6,457 |
| 124. | 2.99 | Lauderdale County School District / 53,042 |
| 125. | 2.98 | Clay County School District / 13,617 |
| 126. | 2.98 | Troy City School District / 18,636 |
| 127. | 2.96 | Roanoke City School District / 6,013 |
| 128. | 2.96 | Alexander City City School District / 17,071 |
| 129. | 2.95 | Linden City School District / 4,481 |
| 130. | 2.95 | Muscle Shoals City School District / 13,352 |
| 131. | 2.91 | Florence City School District / 39,738 |
| 132. | 2.91 | Geneva County School District / 19,988 |
| 133. | 2.90 | Winfield City School District / 6,496 |
| 134. | 2.81 | Tuscumbia City School District / 8,565 |
| 135. | 2.81 | Marion County School District / 24,794 |
| 136. | 2.73 | Lamar County School District / 14,268 |
| 137. | 2.61 | Cherokee County School District / 26,042 |
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.
