| Rank | Average Family Size ▼ | School District / Population |
| 1. | 3.97 | East Jasper School District / 7,677 |
| 2. | 3.71 | West Bolivar School District / 4,891 |
| 3. | 3.70 | Holmes County School District / 17,767 |
| 4. | 3.69 | Lamar County School District / 40,349 |
| 5. | 3.69 | Claiborne County School District / 10,910 |
| 6. | 3.69 | Copiah County School District / 19,017 |
| 7. | 3.67 | Mound Bayou Public School / 2,943 |
| 8. | 3.66 | Tunica County School District / 10,406 |
| 9. | 3.65 | Yazoo City Municipal School District / 11,380 |
| 10. | 3.62 | Forest Municipal School District / 9,079 |
| 11. | 3.62 | Columbia School District / 10,143 |
| 12. | 3.62 | Walthall County School District / 15,304 |
| 13. | 3.62 | Lumberton Public School District / 5,616 |
| 14. | 3.60 | Benoit School District / 1,663 |
| 15. | 3.58 | Leake County School District / 22,782 |
| 16. | 3.57 | Benton County School District / 7,978 |
| 17. | 3.54 | Drew School District / 7,812 |
| 18. | 3.52 | Petal School District / 19,724 |
| 19. | 3.51 | Franklin County School District / 8,287 |
| 20. | 3.48 | Greenwood Public School District / 17,177 |
| 21. | 3.47 | Jackson Public School District / 174,390 |
| 22. | 3.47 | Neshoba County School District / 20,477 |
| 23. | 3.47 | Durant Public School District / 2,714 |
| 24. | 3.47 | North Panola School District / 11,731 |
| 25. | 3.47 | Pontotoc County Schools / 17,185 |
| 26. | 3.47 | George County School District / 21,926 |
| 27. | 3.47 | Humphreys County School District / 9,985 |
| 28. | 3.46 | Holly Springs School District / 12,313 |
| 29. | 3.45 | North Pike School District / 9,857 |
| 30. | 3.44 | Yazoo County School District / 16,916 |
| 31. | 3.44 | Cleveland School District / 20,327 |
| 32. | 3.44 | Noxubee County School District / 11,814 |
| 33. | 3.43 | Indianola School District / 11,647 |
| 34. | 3.43 | Sunflower County School District / 11,145 |
| 35. | 3.42 | Greenville Public School District / 33,212 |
| 36. | 3.42 | Marshall County School District / 24,081 |
| 37. | 3.41 | New Albany Public Schools / 10,851 |
| 38. | 3.41 | Pontotoc City Schools / 11,590 |
| 39. | 3.40 | Scott County School District / 20,058 |
| 40. | 3.38 | Coahoma County School District / 9,327 |
| 41. | 3.38 | Amite County School District / 13,293 |
| 42. | 3.38 | Hazlehurst City School District / 10,133 |
| 43. | 3.38 | Canton Public School District / 20,345 |
| 44. | 3.37 | South Panola School District / 23,417 |
| 45. | 3.37 | Lee County School District / 35,072 |
| 46. | 3.37 | Clarksdale Municipal School District / 18,244 |
| 47. | 3.34 | Alcorn School District / 21,300 |
| 48. | 3.34 | Jefferson County School District / 8,971 |
| 49. | 3.33 | Marion County School District / 15,384 |
| 50. | 3.33 | Shaw School District / 3,810 |
| 51. | 3.33 | Lawrence County School District / 13,258 |
| 52. | 3.32 | Kosciusko School District / 11,638 |
| 53. | 3.32 | Forrest County Schools / 16,387 |
| 54. | 3.31 | Winona Separate School District / 5,130 |
| 55. | 3.31 | Hollandale School District / 4,263 |
| 56. | 3.31 | Water Valley School District / 7,512 |
| 57. | 3.29 | South Pike School District / 11,802 |
| 58. | 3.29 | Leflore County School District / 17,856 |
| 59. | 3.29 | Covington County School District / 20,315 |
| 60. | 3.29 | South Delta School District / 6,949 |
| 61. | 3.29 | Harrison County School District / 80,438 |
| 62. | 3.28 | North Bolivar School District / 3,632 |
| 63. | 3.28 | Louisville Municipal School District / 19,543 |
| 64. | 3.28 | Union Public School District / 4,620 |
| 65. | 3.27 | Hinds County School District / 45,349 |
| 66. | 3.27 | Madison County School District / 68,806 |
| 67. | 3.26 | Philadelphia Public School District / 7,719 |
| 68. | 3.25 | Jackson County School District / 43,165 |
| 69. | 3.24 | West Jasper School District / 10,267 |
| 70. | 3.24 | Attala County School District / 7,920 |
| 71. | 3.23 | Pascagoula Separate School District / 39,538 |
| 72. | 3.23 | Tupelo Public School District / 39,362 |
| 73. | 3.23 | Laurel School District / 18,493 |
| 74. | 3.23 | Moss Point School District / 21,878 |
| 75. | 3.23 | Houston School District / 10,384 |
| 76. | 3.23 | Ocean Springs School District / 27,132 |
| 77. | 3.22 | Chickasaw County School District / 3,088 |
| 78. | 3.22 | Gulfport School District / 37,593 |
| 79. | 3.21 | DeSoto County School District / 148,795 |
| 80. | 3.21 | Oxford School District / 31,237 |
| 81. | 3.20 | Hattiesburg Public School District / 45,651 |
| 82. | 3.19 | Vicksburg Warren School District / 48,596 |
| 83. | 3.17 | Leland School District / 7,083 |
| 84. | 3.17 | Rankin County School District / 114,390 |
| 85. | 3.16 | Biloxi Public School District / 40,534 |
| 86. | 3.16 | McComb School District / 17,947 |
| 87. | 3.16 | Western Line School District / 11,618 |
| 88. | 3.15 | Pearl Public School District / 23,427 |
| 89. | 3.15 | Simpson County School District / 27,903 |
| 90. | 3.15 | Clinton Public School District / 29,043 |
| 91. | 3.15 | Lafayette County School District / 11,788 |
| 92. | 3.15 | Oktibbeha County School District / 12,015 |
| 93. | 3.15 | North Tippah School District / 6,642 |
| 94. | 3.14 | Long Beach School District / 13,792 |
| 95. | 3.14 | Hancock County School District / 27,309 |
| 96. | 3.14 | Baldwyn School District / 5,693 |
| 97. | 3.14 | Smith County School District / 15,889 |
| 98. | 3.14 | Choctaw County School District / 9,106 |
| 99. | 3.13 | Natchez-Adams School District / 31,475 |
| 100. | 3.13 | Quitman County School District / 8,821 |
| 101. | 3.13 | Jefferson Davis County School District / 12,721 |
| 102. | 3.13 | West Point School District / 18,349 |
| 103. | 3.11 | Newton County School District / 12,194 |
| 104. | 3.10 | Starkville School District / 31,615 |
| 105. | 3.10 | West Tallahatchie School / 5,340 |
| 106. | 3.09 | Poplarville Separate School District / 14,429 |
| 107. | 3.09 | Prentiss County School District / 15,603 |
| 108. | 3.08 | Brookhaven School District / 19,365 |
| 109. | 3.08 | Corinth School District / 14,283 |
| 110. | 3.08 | Senatobia Municipal School District / 8,639 |
| 111. | 3.07 | Union County School District / 16,088 |
| 112. | 3.07 | Webster County School District / 9,834 |
| 113. | 3.07 | Pass Christian Public School District / 8,544 |
| 114. | 3.07 | Pearl River County School District / 15,459 |
| 115. | 3.06 | Nettleton School District / 7,185 |
| 116. | 3.05 | Tishomingo County Schools / 19,060 |
| 117. | 3.05 | Enterprise School District / 4,222 |
| 118. | 3.05 | Booneville School District / 6,461 |
| 119. | 3.04 | Newton Municipal School / 7,342 |
| 120. | 3.04 | Perry County Schools / 8,730 |
| 121. | 3.01 | Jones County School District / 48,384 |
| 122. | 3.01 | Lincoln County School District / 14,950 |
| 123. | 3.01 | Picayune School District / 24,998 |
| 124. | 3.01 | Tate County School District / 18,249 |
| 125. | 3.00 | Columbus Municipal School District / 33,478 |
| 126. | 3.00 | South Tippah School District / 14,797 |
| 127. | 3.00 | Carroll County School District / 10,301 |
| 128. | 2.99 | Greene County School District / 13,699 |
| 129. | 2.99 | Clay County School District / 2,532 |
| 130. | 2.99 | Amory School District / 9,689 |
| 131. | 2.97 | Wilkinson County School District / 10,200 |
| 132. | 2.97 | East Tallahatchie School District / 7,861 |
| 133. | 2.96 | Bay St. Louis School District / 13,283 |
| 134. | 2.96 | Grenada School District / 23,002 |
| 135. | 2.95 | Coffeeville School District / 6,134 |
| 136. | 2.95 | Lowndes County School District / 26,021 |
| 137. | 2.91 | Lauderdale County School District / 38,322 |
| 138. | 2.87 | Itawamba County School District / 23,006 |
| 139. | 2.86 | Calhoun County School District / 14,533 |
| 140. | 2.85 | Stone County School District / 15,734 |
| 141. | 2.85 | Meridian Public School District / 39,644 |
| 142. | 2.85 | Okolona Separate School District / 5,783 |
| 143. | 2.84 | Richton School District / 3,357 |
| 144. | 2.83 | Quitman School District / 13,111 |
| 145. | 2.78 | Aberdeen School District / 10,469 |
| 146. | 2.77 | Monroe County School District / 12,857 |
| 147. | 2.77 | Wayne County School District / 20,892 |
| 148. | 2.75 | Kemper County School District / 9,998 |
| 149. | 2.58 | Montgomery County School District / 6,282 |
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.
*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.
