| Rank | Average Family Size ▼ | School District / Population |
| 1. | 5.24 | Solen Public School District 3 / 1,158 |
| 2. | 5.18 | Mandaree Public School District 36 / 853 |
| 3. | 5.05 | Fort Yates Public School District 4 / 2,676 |
| 4. | 4.83 | Fort Totten Public School District 30 / 2,010 |
| 5. | 4.47 | Belcourt Public School District 7 / 6,117 |
| 6. | 4.13 | Horse Creek Public School District 32 / 161 |
| 7. | 4.12 | Warwick Public School District 29 / 1,048 |
| 8. | 3.94 | Twin Buttes Public School District 37 / 292 |
| 9. | 3.70 | Dunseith Public School District 1 / 3,004 |
| 10. | 3.44 | New Town Public School District 1 / 2,828 |
| 11. | 3.43 | St. John Public School District 3 / 1,350 |
| 12. | 3.43 | Parshall Public School District 3 / 1,633 |
| 13. | 3.41 | Manvel Public School District 125 / 1,404 |
| 14. | 3.36 | Lonetree Public School District 6 / 285 |
| 15. | 3.35 | Midway Public School District 128 / 1,499 |
| 16. | 3.33 | Sweet Briar Public School District 17 / 112 |
| 17. | 3.32 | Eureka Public School District 19 / 366 |
| 18. | 3.30 | Oakes Public School District 41 / 2,920 |
| 19. | 3.30 | Mount Pleasant Public School District 4 / 1,772 |
| 20. | 3.24 | Grand Forks AFB Public School District 140 / 3,942 |
| 21. | 3.23 | Mapleton Public School District 7 / 1,171 |
| 22. | 3.20 | Central Cass Public School District 17 / 3,627 |
| 23. | 3.20 | Thompson Public School District 61 / 2,104 |
| 24. | 3.19 | Name N/A / 319 |
| 25. | 3.17 | Selfridge Public School District 8 / 361 |
| 26. | 3.15 | Surrey Public School District 41 / 1,382 |
| 27. | 3.11 | Rolette Public School District 29 / 1,323 |
| 28. | 3.09 | Killdeer Public School District 16 / 1,827 |
| 29. | 3.09 | Northwood Public School District 129 / 1,645 |
| 30. | 3.08 | Larimore Public School District 44 / 2,710 |
| 31. | 3.08 | Earl Public School District 18 / 46 |
| 32. | 3.06 | Apple Creek Public School District 39 / 937 |
| 33. | 3.06 | Valley Public School District 12 / 722 |
| 34. | 3.05 | Mandan Public School District 1 / 21,311 |
| 35. | 3.05 | Billings County Public School District 1 / 912 |
| 36. | 3.05 | Name N/A / 1,735 |
| 37. | 3.04 | Montpelier Public School District 14 / 568 |
| 38. | 3.04 | Eightmile Public School District 6 / 711 |
| 39. | 3.04 | Hillsboro Public School District 9 / 2,547 |
| 40. | 3.03 | Wyndmere Public School District 42 / 1,319 |
| 41. | 3.02 | Grand Forks Public School District 1 / 52,191 |
| 42. | 3.00 | Wahpeton Public School District 37 / 9,350 |
| 43. | 3.00 | Ellendale Public School District 40 / 2,345 |
| 43. | 3.00 | Napoleon Public School District 2 / 1,417 |
| 45. | 2.99 | Hatton Public School District 7 / 1,210 |
| 46. | 2.99 | Name N/A / 234 |
| 47. | 2.98 | Flasher Public School District 39 / 925 |
| 48. | 2.97 | Baldwin Public School District 29 / 364 |
| 49. | 2.97 | Devils Lake Public School District 1 / 10,808 |
| 50. | 2.97 | Oberon Public School District 16 / 245 |
| 50. | 2.97 | Milnor Public School District 2 / 1,294 |
| 52. | 2.96 | Fordville-Lankin Public School District 5 / 812 |
| 53. | 2.96 | Bismarck Public School District 1 / 73,152 |
| 54. | 2.95 | Menoken Public School District 33 / 433 |
| 55. | 2.95 | West Fargo Public School District 6 / 41,985 |
| 56. | 2.95 | Emerado Public School District 127 / 733 |
| 57. | 2.94 | Kindred Public School District 2 / 3,537 |
| 58. | 2.94 | Dakota Prairie Public School District 1 / 2,642 |
| 59. | 2.93 | Minnewaukan Public School District 5 / 543 |
| 60. | 2.93 | Yellowstone Public School District 14 / 544 |
| 61. | 2.92 | South Heart Public School District 9 / 1,255 |
| 62. | 2.92 | Marmarth Public School District 12 / 244 |
| 63. | 2.91 | New Rockford-Sheyenne Public School District 2 / 2,159 |
| 64. | 2.90 | Pingree-Buchanan Public School District 10 / 509 |
| 65. | 2.90 | Edgeley Public School District 3 / 1,263 |
| 66. | 2.90 | Glenburn Public School District 26 / 1,173 |
| 67. | 2.89 | Richardton-Taylor Public School District 34 / 1,490 |
| 68. | 2.89 | Hankinson Public School District 8 / 2,071 |
| 69. | 2.88 | May-Port CG Public School District 14 / 3,567 |
| 70. | 2.88 | Northern Cass Public School District 97 / 2,208 |
| 71. | 2.88 | Strasburg Public School District 15 / 970 |
| 72. | 2.88 | Belfield Public School District 13 / 1,028 |
| 73. | 2.88 | Lewis and Clark Public School District 161 / 2,224 |
| 74. | 2.87 | Dickinson Public School District 1 / 18,895 |
| 75. | 2.87 | Roosevelt Public School District 18 / 903 |
| 76. | 2.86 | Minot Public School District 1 / 43,659 |
| 77. | 2.86 | Lidgerwood Public School District 28 / 1,215 |
| 78. | 2.86 | Grafton Public School District 3 / 4,821 |
| 79. | 2.85 | Velva Public School District 1 / 2,246 |
| 80. | 2.85 | Name N/A / 16,974 |
| 81. | 2.85 | Minto Public School District 20 / 1,091 |
| 82. | 2.85 | Barnes County North Public School District 2 / 2,049 |
| 83. | 2.85 | Hope Public School District 10 / 548 |
| 84. | 2.84 | Maple Valley Public School District 4 / 1,676 |
| 85. | 2.84 | Medina Public School District 3 / 967 |
| 86. | 2.83 | North Sargent Public School District 3 / 973 |
| 87. | 2.83 | Rugby Public School District 5 / 3,677 |
| 88. | 2.83 | Alexander Public School District 2 / 453 |
| 89. | 2.83 | Hazelton-Moffit-Braddock Public School District 6 / 815 |
| 90. | 2.82 | Little Heart Public School District 4 / 126 |
| 91. | 2.82 | Central Valley Public School District 3 / 1,474 |
| 92. | 2.81 | Fargo Public School District 1 / 84,360 |
| 93. | 2.81 | Jamestown Public School District 1 / 17,374 |
| 94. | 2.81 | Naughton Public School District 25 / 127 |
| 95. | 2.80 | Wing Public School District 28 / 442 |
| 96. | 2.80 | Richland Public School District 44 / 1,333 |
| 97. | 2.80 | Litchville-Marion Public School District 46 / 1,290 |
| 98. | 2.79 | Sawyer Public School District 16 / 789 |
| 99. | 2.78 | St. Thomas Public School District 43 / 651 |
| 100. | 2.78 | Finley-Sharon Public School District 19 / 889 |
| 101. | 2.77 | Sargent Central Public School District 6 / 1,679 |
| 102. | 2.77 | Hazen Public School District 3 / 3,015 |
| 103. | 2.76 | Lakota Public School District 66 / 1,123 |
| 103. | 2.76 | Fairmount Public School District 18 / 629 |
| 105. | 2.76 | North Border School District 100 / 2,993 |
| 106. | 2.75 | Munich Public School District 19 / 484 |
| 107. | 2.75 | Bowman County Public School District 1 / 2,580 |
| 108. | 2.75 | South Prairie Public School District 70 / 1,066 |
| 109. | 2.75 | United Public School District 7 / 2,743 |
| 110. | 2.74 | Garrison Public School District 51 / 2,237 |
| 111. | 2.73 | Beach Public School District 3 / 1,248 |
| 112. | 2.73 | Leeds Public School District 6 / 1,045 |
| 113. | 2.73 | Williston Public School District 1 / 13,690 |
| 114. | 2.72 | Lisbon Public School District 19 / 3,700 |
| 115. | 2.71 | Name N/A / 1,077 |
| 116. | 2.71 | Enderlin Area Public School District 24 / 1,966 |
| 117. | 2.71 | Adams Public School District 128 / 426 |
| 118. | 2.70 | Sterling Public School District 35 / 494 |
| 119. | 2.70 | Page Public School District 80 / 652 |
| 120. | 2.69 | Stanley Public School District 2 / 2,057 |
| 121. | 2.69 | LaMoure Public School District 8 / 1,813 |
| 122. | 2.69 | Carrington Public School District 10 / 3,137 |
| 123. | 2.69 | Towner-Granville-Upham Public School District 60 / 2,366 |
| 124. | 2.68 | Park River Public School District 78 / 2,245 |
| 125. | 2.68 | Wishek Public School District 19 / 1,477 |
| 126. | 2.68 | Montefiore Public School District 1 / 1,223 |
| 127. | 2.67 | Halliday Public School District 19 / 419 |
| 128. | 2.67 | Kulm Public School District 7 / 686 |
| 129. | 2.67 | Wolford Public School District 1 / 338 |
| 130. | 2.66 | Kensal Public School District 19 / 369 |
| 131. | 2.66 | Fort Ransom Public School District 6 / 301 |
| 132. | 2.66 | Name N/A / 1,155 |
| 133. | 2.66 | Nesson Public School District 2 / 1,158 |
| 134. | 2.66 | Bakker Public School District 10 / 243 |
| 135. | 2.65 | Mohall-Lansford-Sherwood Public School District 1 / 2,125 |
| 136. | 2.65 | Kenmare Public School District 28 / 1,773 |
| 137. | 2.65 | McKenzie County Public School District 1 / 3,126 |
| 138. | 2.63 | Max Public School District 50 / 749 |
| 139. | 2.63 | Nedrose Public School District 4 / 1,642 |
| 140. | 2.62 | West Hope Public School District 17 / 807 |
| 141. | 2.62 | Bowbells Public School District 14 / 508 |
| 142. | 2.62 | Valley City Public School District 2 / 7,554 |
| 143. | 2.62 | Tioga Public School District 15 / 2,095 |
| 144. | 2.62 | New England Public School District 9 / 1,210 |
| 145. | 2.62 | Powers Lake Public School District 27 / 643 |
| 146. | 2.61 | Hebron Public School District 13 / 858 |
| 147. | 2.61 | Robinson Public School District 14 / 164 |
| 148. | 2.61 | Langdon-Milton-Osnabrock School District 23 / 3,030 |
| 149. | 2.61 | Manning Public School District 45 / 115 |
| 150. | 2.60 | Hettinger Public School District 13 / 1,967 |
| 151. | 2.60 | White Shield Public School District 85 / 491 |
| 152. | 2.59 | Newburg United Public School District 54 / 504 |
| 153. | 2.59 | Linton Public School District 36 / 1,567 |
| 154. | 2.58 | Center-Stanton Public School District 1 / 1,642 |
| 155. | 2.58 | Edmore Public School District 2 / 744 |
| 156. | 2.57 | Name N/A / 1,406 |
| 157. | 2.57 | Cavalier Public School District 6 / 2,922 |
| 158. | 2.56 | Maddock Public School District 9 / 1,106 |
| 159. | 2.55 | Central Elementary Public School District 32 / 136 |
| 160. | 2.55 | Griggs County Central School District 18 / 1,800 |
| 161. | 2.53 | Name N/A / 526 |
| 162. | 2.53 | Divide County Public School District 1 / 1,691 |
| 163. | 2.52 | Glen Ullin Public School District 48 / 1,115 |
| 164. | 2.51 | Mott-Regent Public School District 1 / 1,587 |
| 165. | 2.50 | Drayton Public School District 19 / 975 |
| 166. | 2.50 | Zeeland Public School District 4 / 219 |
| 167. | 2.48 | Bottineau Public School District 1 / 4,146 |
| 168. | 2.47 | Harvey Public School District 38 / 2,852 |
| 169. | 2.47 | North Central Public School District 28 / 427 |
| 170. | 2.47 | Beulah Public School District 27 / 4,529 |
| 171. | 2.47 | Name N/A / 233 |
| 172. | 2.46 | Anamoose Public School District 14 / 503 |
| 173. | 2.45 | Gackle-Streeter Public School District 56 / 960 |
| 174. | 2.45 | Starkweather Public School District 44 / 508 |
| 175. | 2.45 | Fessenden-Bowdon Public School District 25 / 1,327 |
| 176. | 2.43 | Ashley Public School District 9 / 1,103 |
| 177. | 2.43 | Midkota Public School District 7 / 1,199 |
| 178. | 2.41 | Burke Central Public School District 36 / 770 |
| 179. | 2.40 | Drake Public School District 57 / 794 |
| 180. | 2.40 | Grenora Public School District 99 / 662 |
| 181. | 2.40 | Washburn Public School District 4 / 1,638 |
| 182. | 2.39 | Turtle Lake-Mercer Public School District 72 / 1,015 |
| 183. | 2.38 | Edinburg Public School District 106 / 647 |
| 184. | 2.37 | Scranton Public School District 33 / 813 |
| 185. | 2.36 | Pleasant Valley Public School District 35 / 204 |
| 186. | 2.35 | Name N/A / 497 |
| 187. | 2.35 | Goodrich Public School District 16 / 290 |
| 188. | 2.34 | Underwood Public School District 8 / 1,528 |
| 189. | 2.31 | McClusky Public School District 19 / 647 |
| 190. | 2.29 | New Public School District 8 / 1,818 |
| 191. | 2.28 | Elgin-New Leipzig Public School District 49 / 1,263 |
| 192. | 2.23 | Name N/A / 246 |
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.
