| Rank | Average Family Size ▼ | School District / Population |
| 1. | 4.04 | Manassas Park City Public Schools / 14,409 |
| 2. | 3.81 | Manassas City Public Schools / 37,943 |
| 3. | 3.61 | Quantico Marine Corps Center School District / 9,089 |
| 4. | 3.60 | Prince William County Public Schools / 397,080 |
| 5. | 3.55 | Richmond County Public Schools / 9,234 |
| 6. | 3.55 | Dahlgren Department of Defense School District / 957 |
| 7. | 3.51 | Nottoway County Public Schools / 15,875 |
| 8. | 3.50 | Loudoun County Public Schools / 314,980 |
| 9. | 3.48 | Stafford County Public Schools / 127,288 |
| 10. | 3.47 | Norfolk City Public Schools / 243,056 |
| 11. | 3.47 | Hopewell City Public Schools / 22,501 |
| 12. | 3.46 | Petersburg City Public Schools / 32,226 |
| 13. | 3.42 | King George County Public Schools / 22,782 |
| 14. | 3.42 | Sussex County Public Schools / 12,095 |
| 15. | 3.38 | Surry County Public Schools / 6,988 |
| 16. | 3.37 | Spotsylvania County Public Schools / 122,854 |
| 17. | 3.37 | Fairfax County Public Schools / 1,083,770 |
| 18. | 3.37 | Fauquier County Public Schools / 65,495 |
| 19. | 3.36 | Culpeper County Public Schools / 46,894 |
| 20. | 3.32 | Richmond City Public Schools / 205,348 |
| 21. | 3.31 | Falls Church City Public Schools / 12,300 |
| 22. | 3.31 | Dinwiddie County Public Schools / 27,926 |
| 23. | 3.31 | Chesterfield County Public Schools / 316,895 |
| 24. | 3.31 | Prince George County Public Schools / 36,013 |
| 25. | 3.29 | Essex County Public Schools / 11,130 |
| 26. | 3.27 | Suffolk City Public Schools / 84,216 |
| 27. | 3.27 | Charles City County Public Schools / 7,226 |
| 28. | 3.26 | Winchester City Public Schools / 26,330 |
| 29. | 3.25 | Northampton County Public Schools / 12,408 |
| 30. | 3.25 | Chesapeake City Public Schools / 223,233 |
| 31. | 3.25 | Greene County Public Schools / 18,453 |
| 32. | 3.24 | Fredericksburg City Public Schools / 24,932 |
| 33. | 3.24 | Hampton City Public Schools / 137,471 |
| 34. | 3.21 | Russell County Public Schools / 28,773 |
| 35. | 3.20 | Portsmouth City Public Schools / 95,786 |
| 36. | 3.19 | Mecklenburg County Public Schools / 32,548 |
| 37. | 3.19 | Newport News City Public Schools / 180,831 |
| 38. | 3.19 | Covington City Public Schools / 5,903 |
| 39. | 3.19 | Virginia Beach City Public Schools / 439,528 |
| 40. | 3.19 | Westmoreland County Public Schools / 14,220 |
| 41. | 3.18 | Harrisonburg City Public Schools / 49,043 |
| 42. | 3.18 | Albemarle County Public Schools / 99,484 |
| 43. | 3.17 | King William County Public Schools / 12,567 |
| 44. | 3.17 | Charlotte County Public Schools / 12,546 |
| 45. | 3.16 | Prince Edward County Public Schools / 23,017 |
| 46. | 3.16 | Norton City Public Schools / 3,971 |
| 47. | 3.15 | Warren County Public Schools / 37,567 |
| 48. | 3.15 | Henrico County Public Schools / 307,576 |
| 49. | 3.15 | Lynchburg City Public Schools / 75,657 |
| 50. | 3.15 | Colonial Heights City Public Schools / 17,426 |
| 51. | 3.14 | Amelia County Public Schools / 12,674 |
| 52. | 3.14 | Southampton County Public Schools / 18,576 |
| 53. | 3.13 | Hanover County Public Schools / 99,964 |
| 54. | 3.13 | Arlington County Public Schools / 209,077 |
| 55. | 3.13 | Floyd County Public Schools / 15,268 |
| 56. | 3.13 | Alexandria City Public Schools / 140,337 |
| 57. | 3.12 | Patrick County Public Schools / 18,513 |
| 58. | 3.12 | Colonial Beach Town Public Schools / 3,248 |
| 59. | 3.12 | Cumberland County Public Schools / 9,951 |
| 60. | 3.12 | Brunswick County Public Schools / 17,372 |
| 61. | 3.11 | Orange County Public Schools / 33,625 |
| 62. | 3.11 | Campbell County Public Schools / 54,797 |
| 63. | 3.11 | New Kent County Public Schools / 18,460 |
| 64. | 3.11 | Smyth County Public Schools / 32,103 |
| 65. | 3.11 | Fairfax City Public Schools / 22,712 |
| 66. | 3.11 | Frederick County Public Schools / 78,397 |
| 67. | 3.11 | Charlottesville City Public Schools / 43,223 |
| 68. | 3.10 | Lunenburg County Public Schools / 12,838 |
| 69. | 3.10 | Gloucester County Public Schools / 36,821 |
| 70. | 3.09 | Emporia City Public Schools / 5,825 |
| 71. | 3.09 | Fluvanna County Public Schools / 25,749 |
| 72. | 3.09 | Wythe County Public Schools / 29,203 |
| 73. | 3.07 | Roanoke City Public Schools / 96,742 |
| 74. | 3.07 | Waynesboro City Public Schools / 21,030 |
| 75. | 3.06 | Page County Public Schools / 24,038 |
| 76. | 3.05 | York County Public Schools / 65,503 |
| 77. | 3.05 | Caroline County Public Schools / 28,510 |
| 78. | 3.05 | Wise County Public Schools / 41,361 |
| 79. | 3.04 | Lee County Public Schools / 25,528 |
| 80. | 3.04 | Greensville County Public Schools / 12,127 |
| 81. | 3.04 | Dickenson County Public Schools / 15,877 |
| 82. | 3.03 | Rockingham County Public Schools / 76,353 |
| 83. | 3.03 | Amherst County Public Schools / 32,301 |
| 84. | 3.03 | Halifax County Public Schools / 36,140 |
| 85. | 3.02 | Bedford County Public Schools / 68,750 |
| 86. | 3.02 | Louisa County Public Schools / 33,083 |
| 87. | 3.02 | Appomattox County Public Schools / 14,952 |
| 88. | 3.02 | Poquoson City Public Schools / 12,110 |
| 89. | 3.01 | Martinsville City Public Schools / 13,854 |
| 90. | 3.01 | Craig County Public Schools / 5,186 |
| 91. | 3.01 | Isle of Wight County Public Schools / 35,240 |
| 92. | 3.00 | Rockbridge County Public Schools / 22,357 |
| 93. | 2.99 | Madison County Public Schools / 13,270 |
| 94. | 2.99 | Buchanan County Public Schools / 24,071 |
| 95. | 2.98 | Shenandoah County Public Schools / 42,076 |
| 96. | 2.97 | Buena Vista City Public Schools / 6,679 |
| 97. | 2.97 | Henry County Public Schools / 53,971 |
| 98. | 2.97 | Franklin City Public Schools / 8,531 |
| 99. | 2.96 | Salem City Public Schools / 24,792 |
| 100. | 2.95 | Powhatan County Public Schools / 28,003 |
| 101. | 2.95 | James City County Public Schools / 66,939 |
| 102. | 2.95 | Danville City Public Schools / 43,185 |
| 103. | 2.95 | West Point Town Public Schools / 3,294 |
| 104. | 2.95 | Botetourt County Public Schools / 33,074 |
| 105. | 2.94 | Augusta County Public Schools / 73,662 |
| 106. | 2.94 | Roanoke County Public Schools / 92,432 |
| 107. | 2.94 | Giles County Public Schools / 17,149 |
| 108. | 2.94 | Montgomery County Public Schools / 94,179 |
| 109. | 2.94 | Carroll County Public Schools / 29,989 |
| 110. | 2.93 | Bland County Public Schools / 6,827 |
| 111. | 2.93 | King and Queen County Public Schools / 6,968 |
| 112. | 2.93 | Middlesex County Public Schools / 10,855 |
| 113. | 2.92 | Clarke County Public Schools / 14,143 |
| 114. | 2.90 | Tazewell County Public Schools / 44,846 |
| 115. | 2.90 | Radford City Public Schools / 16,511 |
| 116. | 2.90 | Accomack County Public Schools / 33,454 |
| 117. | 2.89 | Pittsylvania County Public Schools / 63,318 |
| 118. | 2.88 | Scott County Public Schools / 23,061 |
| 119. | 2.87 | Bristol City Public Schools / 17,747 |
| 120. | 2.86 | Nelson County Public Schools / 15,000 |
| 121. | 2.84 | Alleghany County Public Schools / 16,297 |
| 122. | 2.84 | Staunton City Public Schools / 23,906 |
| 123. | 2.83 | Grayson County Public Schools / 15,535 |
| 124. | 2.83 | Pulaski County Public Schools / 34,869 |
| 125. | 2.80 | Galax City Public Schools / 6,942 |
| 126. | 2.80 | Rappahannock County Public Schools / 7,440 |
| 127. | 2.80 | Washington County Public Schools / 54,691 |
| 128. | 2.79 | Bath County Public Schools / 4,713 |
| 129. | 2.76 | Franklin County Public Schools / 56,012 |
| 130. | 2.75 | Williamsburg City Public Schools / 14,207 |
| 131. | 2.75 | Mathews County Public Schools / 8,965 |
| 132. | 2.75 | Northumberland County Public Schools / 12,389 |
| 133. | 2.73 | Name N/A / 6,990 |
| 133. | 2.73 | Lexington City Public Schools / 6,990 |
| 135. | 2.68 | Goochland County Public Schools / 21,496 |
| 136. | 2.68 | Bedford City Public Schools / 6,103 |
| 137. | 2.66 | Buckingham County Public Schools / 17,071 |
| 138. | 2.62 | Lancaster County Public Schools / 11,371 |
| 139. | 2.59 | Highland County Public Schools / 2,317 |
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.
