| Rank | Average Family Size ▼ | School District / Population |
| 1. | 3.89 | Sussex County Public Schools / 12,167 |
| 2. | 3.72 | Greensville County Public Schools / 12,181 |
| 3. | 3.68 | Manassas Park City Public Schools / 13,195 |
| 4. | 3.65 | Loudoun County Public Schools / 291,653 |
| 5. | 3.64 | Manassas City Public Schools / 36,067 |
| 6. | 3.63 | Surry County Public Schools / 7,039 |
| 7. | 3.59 | Quantico Marine Corps Center School District / 9,408 |
| 8. | 3.55 | Charlotte County Public Schools / 12,644 |
| 9. | 3.53 | Petersburg City Public Schools / 32,303 |
| 10. | 3.50 | Norfolk City Public Schools / 242,143 |
| 11. | 3.49 | Prince William County Public Schools / 372,547 |
| 12. | 3.44 | Prince Edward County Public Schools / 22,723 |
| 13. | 3.44 | Fauquier County Public Schools / 64,546 |
| 14. | 3.42 | Stafford County Public Schools / 122,047 |
| 15. | 3.39 | Richmond County Public Schools / 9,328 |
| 16. | 3.37 | Charles City County Public Schools / 7,205 |
| 17. | 3.36 | Spotsylvania County Public Schools / 120,212 |
| 18. | 3.36 | Lunenburg County Public Schools / 12,968 |
| 19. | 3.35 | Winchester City Public Schools / 25,953 |
| 20. | 3.34 | Hopewell City Public Schools / 22,506 |
| 21. | 3.34 | Fairfax County Public Schools / 1,048,554 |
| 22. | 3.34 | Nottoway County Public Schools / 15,819 |
| 23. | 3.30 | Dahlgren Department of Defense School District / 1,743 |
| 24. | 3.29 | Hampton City Public Schools / 139,046 |
| 25. | 3.27 | Prince George County Public Schools / 35,129 |
| 26. | 3.26 | Fredericksburg City Public Schools / 23,375 |
| 27. | 3.26 | Dinwiddie County Public Schools / 27,449 |
| 28. | 3.26 | Dickenson County Public Schools / 15,966 |
| 29. | 3.26 | Richmond City Public Schools / 201,828 |
| 30. | 3.25 | Greene County Public Schools / 18,082 |
| 31. | 3.25 | Culpeper County Public Schools / 45,749 |
| 32. | 3.25 | Caroline County Public Schools / 27,844 |
| 33. | 3.23 | Emporia City Public Schools / 5,822 |
| 34. | 3.22 | Chesapeake City Public Schools / 219,268 |
| 35. | 3.21 | Buchanan County Public Schools / 24,459 |
| 36. | 3.21 | Portsmouth City Public Schools / 96,785 |
| 37. | 3.20 | Colonial Beach Town Public Schools / 3,496 |
| 38. | 3.19 | Chesterfield County Public Schools / 308,633 |
| 39. | 3.19 | Northampton County Public Schools / 12,572 |
| 40. | 3.19 | Mecklenburg County Public Schools / 32,774 |
| 41. | 3.19 | Warren County Public Schools / 37,044 |
| 42. | 3.18 | King George County Public Schools / 21,051 |
| 43. | 3.18 | Southampton County Public Schools / 18,493 |
| 44. | 3.18 | Suffolk City Public Schools / 82,544 |
| 45. | 3.18 | Virginia Beach City Public Schools / 435,996 |
| 46. | 3.17 | Cumberland County Public Schools / 9,855 |
| 47. | 3.15 | Falls Church City Public Schools / 11,465 |
| 48. | 3.15 | Brunswick County Public Schools / 17,707 |
| 49. | 3.15 | Harrisonburg City Public Schools / 47,406 |
| 50. | 3.15 | Fluvanna County Public Schools / 25,308 |
| 51. | 3.13 | Colonial Heights City Public Schools / 17,472 |
| 52. | 3.12 | Lee County Public Schools / 25,434 |
| 53. | 3.12 | Fairfax City Public Schools / 22,058 |
| 54. | 3.11 | Hanover County Public Schools / 99,172 |
| 55. | 3.11 | Page County Public Schools / 24,116 |
| 56. | 3.11 | Newport News City Public Schools / 181,822 |
| 57. | 3.11 | Henrico County Public Schools / 300,053 |
| 58. | 3.10 | King William County Public Schools / 12,273 |
| 59. | 3.10 | Patrick County Public Schools / 18,643 |
| 60. | 3.09 | Albemarle County Public Schools / 96,633 |
| 61. | 3.09 | Waynesboro City Public Schools / 20,885 |
| 62. | 3.09 | Frederick County Public Schools / 75,835 |
| 63. | 3.09 | Amelia County Public Schools / 12,517 |
| 64. | 3.08 | Wise County Public Schools / 41,496 |
| 65. | 3.08 | Accomack County Public Schools / 34,066 |
| 66. | 3.08 | Lynchburg City Public Schools / 73,726 |
| 67. | 3.08 | Halifax County Public Schools / 36,311 |
| 68. | 3.07 | Alexandria City Public Schools / 133,647 |
| 69. | 3.06 | Russell County Public Schools / 28,842 |
| 70. | 3.06 | King and Queen County Public Schools / 6,926 |
| 71. | 3.05 | Wythe County Public Schools / 29,005 |
| 72. | 3.03 | Covington City Public Schools / 5,989 |
| 73. | 3.03 | Clarke County Public Schools / 14,013 |
| 74. | 3.02 | Campbell County Public Schools / 54,174 |
| 75. | 3.02 | Charlottesville City Public Schools / 42,267 |
| 76. | 3.02 | Westmoreland County Public Schools / 13,741 |
| 77. | 3.02 | Smyth County Public Schools / 32,383 |
| 78. | 3.02 | Orange County Public Schools / 32,730 |
| 79. | 3.02 | Roanoke City Public Schools / 95,793 |
| 80. | 3.01 | Arlington County Public Schools / 197,467 |
| 81. | 3.01 | Buena Vista City Public Schools / 6,653 |
| 82. | 3.01 | Isle of Wight County Public Schools / 34,762 |
| 83. | 3.00 | York County Public Schools / 64,846 |
| 84. | 3.00 | Craig County Public Schools / 5,173 |
| 85. | 2.99 | Gloucester County Public Schools / 36,610 |
| 86. | 2.99 | Poquoson City Public Schools / 12,099 |
| 87. | 2.99 | Augusta County Public Schools / 73,201 |
| 88. | 2.98 | Martinsville City Public Schools / 14,029 |
| 89. | 2.98 | Franklin City Public Schools / 8,549 |
| 90. | 2.98 | Shenandoah County Public Schools / 41,468 |
| 91. | 2.97 | Essex County Public Schools / 10,901 |
| 92. | 2.96 | New Kent County Public Schools / 17,655 |
| 93. | 2.96 | Henry County Public Schools / 54,860 |
| 94. | 2.96 | Tazewell County Public Schools / 44,706 |
| 95. | 2.95 | Bedford County Public Schools / 67,697 |
| 96. | 2.95 | Roanoke County Public Schools / 91,583 |
| 97. | 2.94 | Norton City Public Schools / 3,886 |
| 98. | 2.93 | Scott County Public Schools / 23,234 |
| 99. | 2.93 | Floyd County Public Schools / 15,030 |
| 100. | 2.93 | Giles County Public Schools / 17,205 |
| 101. | 2.93 | Rockingham County Public Schools / 74,922 |
| 102. | 2.92 | Madison County Public Schools / 13,342 |
| 103. | 2.92 | West Point Town Public Schools / 3,236 |
| 104. | 2.91 | Name N/A / 6,990 |
| 104. | 2.91 | Lexington City Public Schools / 6,990 |
| 106. | 2.91 | Middlesex County Public Schools / 10,831 |
| 107. | 2.91 | Botetourt County Public Schools / 32,867 |
| 108. | 2.91 | Salem City Public Schools / 24,641 |
| 109. | 2.90 | Grayson County Public Schools / 15,855 |
| 110. | 2.89 | Appomattox County Public Schools / 14,653 |
| 111. | 2.88 | Radford City Public Schools / 16,318 |
| 112. | 2.88 | James City County Public Schools / 64,386 |
| 113. | 2.88 | Louisa County Public Schools / 32,248 |
| 114. | 2.87 | Montgomery County Public Schools / 92,527 |
| 115. | 2.87 | Staunton City Public Schools / 23,806 |
| 116. | 2.87 | Bedford City Public Schools / 6,177 |
| 117. | 2.86 | Pittsylvania County Public Schools / 63,147 |
| 118. | 2.86 | Carroll County Public Schools / 29,985 |
| 119. | 2.86 | Amherst County Public Schools / 32,315 |
| 120. | 2.85 | Rockbridge County Public Schools / 22,217 |
| 121. | 2.84 | Mathews County Public Schools / 9,004 |
| 122. | 2.84 | Bland County Public Schools / 6,873 |
| 123. | 2.84 | Rappahannock County Public Schools / 7,376 |
| 124. | 2.83 | Alleghany County Public Schools / 16,406 |
| 125. | 2.83 | Pulaski County Public Schools / 34,963 |
| 126. | 2.82 | Bristol City Public Schools / 17,704 |
| 127. | 2.81 | Danville City Public Schools / 43,787 |
| 128. | 2.81 | Powhatan County Public Schools / 27,758 |
| 129. | 2.79 | Washington County Public Schools / 54,322 |
| 130. | 2.77 | Williamsburg City Public Schools / 13,421 |
| 131. | 2.77 | Northumberland County Public Schools / 12,419 |
| 132. | 2.77 | Bath County Public Schools / 4,779 |
| 133. | 2.76 | Nelson County Public Schools / 14,989 |
| 134. | 2.74 | Franklin County Public Schools / 54,938 |
| 135. | 2.63 | Goochland County Public Schools / 21,136 |
| 136. | 2.62 | Galax City Public Schools / 6,936 |
| 137. | 2.53 | Highland County Public Schools / 2,395 |
| 138. | 2.52 | Lancaster County Public Schools / 11,478 |
| 139. | 2.44 | Buckingham County Public Schools / 16,874 |
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.
