| Rank | Average Household Size ▼ | School District / Population |
| 1. | 3.33 | Fort Rucker School District / 6,204 |
| 2. | 3.24 | Maxwell AFB School District / 2,388 |
| 3. | 3.21 | Thomasville City School District / 6,936 |
| 4. | 2.97 | St. Clair County School District / 50,185 |
| 5. | 2.93 | Blount County School District / 50,019 |
| 6. | 2.87 | Oneonta City School District / 6,785 |
| 7. | 2.86 | Hale County School District / 17,994 |
| 8. | 2.85 | Wilcox County School District / 12,552 |
| 9. | 2.85 | Roanoke City School District / 6,614 |
| 10. | 2.83 | Albertville City School District / 19,405 |
| 11. | 2.82 | Limestone County School District / 49,474 |
| 12. | 2.80 | Trussville City School District / 18,280 |
| 13. | 2.79 | Randolph County School District / 15,890 |
| 14. | 2.77 | Elmore County School District / 70,273 |
| 15. | 2.74 | Houston County School District / 32,965 |
| 16. | 2.73 | Bibb County School District / 21,464 |
| 17. | 2.73 | Cleburne County School District / 14,454 |
| 18. | 2.71 | Tarrant City School District / 6,601 |
| 19. | 2.71 | Autauga County School District / 49,584 |
| 20. | 2.70 | Bullock County School District / 10,917 |
| 21. | 2.70 | Clarke County School District / 19,502 |
| 22. | 2.69 | Madison City School District / 39,652 |
| 23. | 2.68 | Marengo County School District / 9,038 |
| 24. | 2.67 | Eufaula City School District / 14,457 |
| 25. | 2.66 | Tallassee City School District / 8,165 |
| 26. | 2.66 | Lee County School District / 46,386 |
| 27. | 2.66 | DeKalb County School District / 54,334 |
| 28. | 2.66 | Marshall County School District / 44,834 |
| 29. | 2.65 | Pell City City School District / 26,230 |
| 30. | 2.65 | Madison County School District / 106,841 |
| 31. | 2.64 | Mountain Brook City School District / 20,989 |
| 32. | 2.63 | Midfield City School District / 5,250 |
| 33. | 2.63 | Lowndes County School District / 12,632 |
| 34. | 2.62 | Fort Payne City School District / 13,849 |
| 35. | 2.61 | Cullman County School District / 65,742 |
| 36. | 2.61 | Shelby County School District / 162,179 |
| 37. | 2.61 | Henry County School District / 16,580 |
| 38. | 2.60 | Chilton County School District / 42,272 |
| 39. | 2.60 | Tuscaloosa County School District / 90,500 |
| 40. | 2.57 | Boaz City School District / 8,247 |
| 41. | 2.56 | Hartselle City School District / 13,219 |
| 42. | 2.56 | Dallas County School District / 24,097 |
| 43. | 2.56 | Lanett City School District / 7,288 |
| 44. | 2.55 | Lauderdale County School District / 51,180 |
| 45. | 2.55 | Mobile County School District / 405,331 |
| 46. | 2.54 | Alexander City City School District / 17,745 |
| 47. | 2.54 | Washington County School District / 17,212 |
| 48. | 2.53 | Morgan County School District / 46,710 |
| 49. | 2.52 | Winston County School District / 15,727 |
| 50. | 2.52 | Elba City School District / 5,468 |
| 51. | 2.52 | Hoover City School District / 69,879 |
| 52. | 2.52 | Covington County School District / 21,417 |
| 53. | 2.52 | Jackson County School District / 38,167 |
| 54. | 2.51 | Talladega County School District / 47,659 |
| 55. | 2.51 | Jefferson County School District / 225,213 |
| 56. | 2.51 | Dothan City School District / 64,734 |
| 57. | 2.50 | Talladega City School District / 16,882 |
| 58. | 2.50 | Etowah County School District / 58,902 |
| 59. | 2.50 | Chambers County School District / 27,416 |
| 60. | 2.49 | Athens City School District / 22,589 |
| 61. | 2.49 | Lawrence County School District / 34,094 |
| 62. | 2.49 | Tallapoosa County School District / 21,309 |
| 63. | 2.49 | Opp City School District / 6,573 |
| 64. | 2.49 | Baldwin County School District / 171,997 |
| 65. | 2.48 | Calhoun County School District / 55,795 |
| 66. | 2.48 | Walker County School District / 54,920 |
| 67. | 2.48 | Butler County School District / 20,189 |
| 68. | 2.47 | Coffee County School District / 17,272 |
| 69. | 2.47 | Franklin County School District / 21,986 |
| 70. | 2.46 | Oxford City School District / 20,176 |
| 71. | 2.46 | Geneva County School District / 19,247 |
| 72. | 2.45 | Sumter County School District / 13,267 |
| 73. | 2.44 | Haleyville City School District / 8,713 |
| 74. | 2.44 | Escambia County School District / 32,314 |
| 75. | 2.44 | Brewton City School District / 5,247 |
| 76. | 2.44 | Colbert County School District / 24,413 |
| 77. | 2.43 | Muscle Shoals City School District / 12,803 |
| 78. | 2.42 | Dale County School District / 15,106 |
| 79. | 2.42 | Vestavia Hills City School District / 31,191 |
| 80. | 2.42 | Arab City School District / 7,942 |
| 81. | 2.41 | Conecuh County School District / 13,114 |
| 82. | 2.40 | Choctaw County School District / 14,229 |
| 83. | 2.40 | Pike County School District / 15,505 |
| 84. | 2.39 | Enterprise City School District / 24,326 |
| 85. | 2.39 | Montgomery County School District / 221,981 |
| 86. | 2.39 | Andalusia City School District / 8,698 |
| 87. | 2.38 | Sylacauga City School District / 12,962 |
| 88. | 2.38 | Decatur City School District / 55,387 |
| 89. | 2.38 | Russellville City School District / 8,861 |
| 90. | 2.38 | Selma City School District / 18,651 |
| 91. | 2.37 | Geneva City School District / 6,553 |
| 92. | 2.37 | Monroe County School District / 22,790 |
| 93. | 2.37 | Fairfield City School District / 11,503 |
| 94. | 2.37 | Barbour County School District / 15,206 |
| 95. | 2.36 | Leeds City School District / 10,795 |
| 96. | 2.35 | Greene County School District / 9,112 |
| 97. | 2.34 | Opelika City School District / 26,395 |
| 98. | 2.34 | Pickens County School District / 19,528 |
| 99. | 2.34 | Scottsboro City School District / 14,731 |
| 100. | 2.33 | Cherokee County School District / 24,427 |
| 101. | 2.33 | Guntersville City School District / 8,288 |
| 102. | 2.33 | Linden City School District / 4,847 |
| 103. | 2.33 | Fayette County School District / 15,919 |
| 104. | 2.33 | Russell County School District / 22,218 |
| 105. | 2.32 | Crenshaw County School District / 13,687 |
| 106. | 2.32 | Macon County School District / 22,304 |
| 107. | 2.31 | Homewood City School District / 24,019 |
| 108. | 2.31 | Phenix City City School District / 30,260 |
| 109. | 2.30 | Tuscaloosa City School District / 88,254 |
| 110. | 2.30 | Demopolis City School District / 7,325 |
| 111. | 2.30 | Bessemer City School District / 28,993 |
| 112. | 2.30 | Piedmont City School District / 6,553 |
| 113. | 2.29 | Coosa County School District / 10,777 |
| 114. | 2.29 | Huntsville City School District / 169,448 |
| 115. | 2.29 | Lamar County School District / 14,438 |
| 116. | 2.28 | Jasper City School District / 13,960 |
| 117. | 2.28 | Daleville City School District / 9,549 |
| 118. | 2.28 | Birmingham City School District / 231,486 |
| 119. | 2.28 | Sheffield City School District / 9,110 |
| 120. | 2.27 | Cullman City School District / 14,868 |
| 121. | 2.26 | Attalla City School District / 6,584 |
| 122. | 2.23 | Ozark City School District / 16,502 |
| 123. | 2.23 | Marion County School District / 24,397 |
| 124. | 2.20 | Gadsden City School District / 36,893 |
| 125. | 2.18 | Perry County School District / 10,689 |
| 126. | 2.17 | Florence City School District / 37,370 |
| 127. | 2.16 | Clay County School District / 13,769 |
| 128. | 2.16 | Tuscumbia City School District / 8,220 |
| 129. | 2.12 | Troy City School District / 14,631 |
| 130. | 2.12 | Anniston City School District / 23,550 |
| 131. | 2.07 | Auburn City School District / 55,439 |
| 132. | 2.06 | Jacksonville City School District / 9,707 |
| 133. | 2.04 | Winfield City School District / 6,500 |
Please note that we only rank locations with 'Average Household Size' data. The rank above might not be a complete list. Locations without 'Average Household Size' data are not listed.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
