| Rank | Average Family Size ▼ | School District / Population |
| 1. | 3.63 | Manassas Park City Public Schools / 14,273 |
| 2. | 3.58 | Dahlgren Department of Defense School District / 599 |
| 3. | 3.51 | Quantico Marine Corps Center School District / 6,865 |
| 4. | 3.48 | Manassas City Public Schools / 37,821 |
| 5. | 3.44 | Prince William County Public Schools / 397,070 |
| 6. | 3.39 | Loudoun County Public Schools / 312,311 |
| 7. | 3.34 | Stafford County Public Schools / 127,028 |
| 8. | 3.27 | Spotsylvania County Public Schools / 122,397 |
| 9. | 3.22 | Fairfax County Public Schools / 1,081,726 |
| 10. | 3.19 | King George County Public Schools / 22,985 |
| 10. | 3.19 | Culpeper County Public Schools / 46,689 |
| 12. | 3.17 | Fauquier County Public Schools / 65,203 |
| 13. | 3.15 | Chesapeake City Public Schools / 222,209 |
| 14. | 3.12 | Suffolk City Public Schools / 84,585 |
| 15. | 3.11 | Fairfax City Public Schools / 22,565 |
| 15. | 3.11 | Caroline County Public Schools / 28,545 |
| 15. | 3.11 | Chesterfield County Public Schools / 316,236 |
| 18. | 3.10 | Warren County Public Schools / 37,575 |
| 19. | 3.09 | Frederick County Public Schools / 78,305 |
| 20. | 3.08 | York County Public Schools / 65,464 |
| 20. | 3.08 | Emporia City Public Schools / 5,927 |
| 20. | 3.08 | Greene County Public Schools / 18,403 |
| 20. | 3.08 | Virginia Beach City Public Schools / 437,994 |
| 20. | 3.08 | Prince George County Public Schools / 35,725 |
| 25. | 3.07 | Falls Church City Public Schools / 12,332 |
| 26. | 3.06 | Winchester City Public Schools / 26,203 |
| 26. | 3.06 | Norfolk City Public Schools / 242,803 |
| 26. | 3.06 | Harrisonburg City Public Schools / 48,914 |
| 26. | 3.06 | Hanover County Public Schools / 99,863 |
| 30. | 3.05 | Portsmouth City Public Schools / 95,535 |
| 31. | 3.04 | King William County Public Schools / 12,629 |
| 32. | 3.03 | West Point Town Public Schools / 3,306 |
| 32. | 3.03 | Henrico County Public Schools / 306,935 |
| 32. | 3.03 | Nottoway County Public Schools / 15,853 |
| 35. | 3.02 | Cumberland County Public Schools / 10,052 |
| 35. | 3.02 | Powhatan County Public Schools / 28,046 |
| 35. | 3.02 | Newport News City Public Schools / 180,719 |
| 35. | 3.02 | Dinwiddie County Public Schools / 28,001 |
| 39. | 3.01 | Rockingham County Public Schools / 76,314 |
| 39. | 3.01 | Poquoson City Public Schools / 12,150 |
| 41. | 3.00 | Hopewell City Public Schools / 22,591 |
| 41. | 3.00 | Surry County Public Schools / 7,058 |
| 41. | 3.00 | Clarke County Public Schools / 14,034 |
| 41. | 3.00 | Amelia County Public Schools / 12,690 |
| 45. | 2.99 | Southampton County Public Schools / 18,570 |
| 45. | 2.99 | Hampton City Public Schools / 137,436 |
| 47. | 2.98 | Petersburg City Public Schools / 32,420 |
| 48. | 2.97 | Fredericksburg City Public Schools / 24,286 |
| 48. | 2.97 | Madison County Public Schools / 13,308 |
| 48. | 2.97 | Orange County Public Schools / 33,481 |
| 48. | 2.97 | Charlotte County Public Schools / 12,586 |
| 52. | 2.96 | Franklin City Public Schools / 8,582 |
| 52. | 2.96 | Albemarle County Public Schools / 98,970 |
| 52. | 2.96 | Fluvanna County Public Schools / 25,691 |
| 55. | 2.95 | Isle of Wight County Public Schools / 35,270 |
| 55. | 2.95 | Prince Edward County Public Schools / 23,368 |
| 55. | 2.95 | Gloucester County Public Schools / 36,858 |
| 55. | 2.95 | Buckingham County Public Schools / 17,146 |
| 55. | 2.95 | Louisa County Public Schools / 33,153 |
| 55. | 2.95 | Richmond City Public Schools / 204,214 |
| 61. | 2.94 | Richmond County Public Schools / 9,254 |
| 62. | 2.93 | New Kent County Public Schools / 18,429 |
| 62. | 2.93 | Colonial Heights City Public Schools / 17,411 |
| 64. | 2.92 | Norton City Public Schools / 3,958 |
| 64. | 2.92 | Sussex County Public Schools / 12,087 |
| 64. | 2.92 | Arlington County Public Schools / 207,627 |
| 64. | 2.92 | Buena Vista City Public Schools / 6,650 |
| 64. | 2.92 | Roanoke City Public Schools / 97,032 |
| 64. | 2.92 | Essex County Public Schools / 11,151 |
| 64. | 2.92 | Brunswick County Public Schools / 17,434 |
| 64. | 2.92 | Greensville County Public Schools / 12,243 |
| 64. | 2.92 | Lynchburg City Public Schools / 75,568 |
| 73. | 2.91 | Halifax County Public Schools / 36,241 |
| 73. | 2.91 | Amherst County Public Schools / 32,353 |
| 73. | 2.91 | Appomattox County Public Schools / 14,973 |
| 73. | 2.91 | Botetourt County Public Schools / 33,148 |
| 73. | 2.91 | Page County Public Schools / 24,042 |
| 73. | 2.91 | Campbell County Public Schools / 54,842 |
| 73. | 2.91 | Charlottesville City Public Schools / 43,475 |
| 80. | 2.90 | Westmoreland County Public Schools / 13,956 |
| 80. | 2.90 | Galax City Public Schools / 7,042 |
| 80. | 2.90 | Shenandoah County Public Schools / 41,993 |
| 80. | 2.90 | Augusta County Public Schools / 73,750 |
| 80. | 2.90 | Waynesboro City Public Schools / 21,006 |
| 80. | 2.90 | Wise County Public Schools / 41,452 |
| 86. | 2.89 | Roanoke County Public Schools / 92,376 |
| 86. | 2.89 | King and Queen County Public Schools / 6,945 |
| 86. | 2.89 | Lee County Public Schools / 25,587 |
| 86. | 2.89 | Lunenburg County Public Schools / 12,914 |
| 86. | 2.89 | Martinsville City Public Schools / 13,821 |
| 86. | 2.89 | Bedford County Public Schools / 68,676 |
| 92. | 2.88 | Accomack County Public Schools / 33,164 |
| 92. | 2.88 | Giles County Public Schools / 17,286 |
| 92. | 2.88 | Charles City County Public Schools / 7,256 |
| 92. | 2.88 | Goochland County Public Schools / 21,717 |
| 96. | 2.87 | Pittsylvania County Public Schools / 63,506 |
| 96. | 2.87 | Danville City Public Schools / 43,055 |
| 96. | 2.87 | Covington City Public Schools / 5,961 |
| 96. | 2.87 | Montgomery County Public Schools / 94,392 |
| 100. | 2.86 | Salem City Public Schools / 24,802 |
| 100. | 2.86 | Russell County Public Schools / 28,897 |
| 100. | 2.86 | Craig County Public Schools / 5,190 |
| 100. | 2.86 | Floyd County Public Schools / 15,279 |
| 100. | 2.86 | Radford City Public Schools / 16,408 |
| 105. | 2.85 | James City County Public Schools / 67,009 |
| 105. | 2.85 | Rappahannock County Public Schools / 7,373 |
| 105. | 2.85 | Alexandria City Public Schools / 139,966 |
| 105. | 2.85 | Dickenson County Public Schools / 15,903 |
| 109. | 2.84 | Tazewell County Public Schools / 45,078 |
| 109. | 2.84 | Smyth County Public Schools / 32,208 |
| 111. | 2.83 | Mecklenburg County Public Schools / 32,727 |
| 111. | 2.83 | Colonial Beach Town Public Schools / 3,498 |
| 111. | 2.83 | Bland County Public Schools / 6,824 |
| 111. | 2.83 | Wythe County Public Schools / 29,235 |
| 111. | 2.83 | Franklin County Public Schools / 56,159 |
| 111. | 2.83 | Alleghany County Public Schools / 16,250 |
| 117. | 2.82 | Henry County Public Schools / 54,151 |
| 117. | 2.82 | Washington County Public Schools / 54,876 |
| 117. | 2.82 | Northampton County Public Schools / 12,389 |
| 117. | 2.82 | Bedford City Public Schools / 6,222 |
| 121. | 2.81 | Bristol City Public Schools / 17,835 |
| 121. | 2.81 | Scott County Public Schools / 23,177 |
| 121. | 2.81 | Nelson County Public Schools / 15,020 |
| 124. | 2.80 | Pulaski County Public Schools / 34,872 |
| 125. | 2.79 | Staunton City Public Schools / 23,746 |
| 125. | 2.79 | Carroll County Public Schools / 30,042 |
| 127. | 2.78 | Buchanan County Public Schools / 24,098 |
| 128. | 2.77 | Rockbridge County Public Schools / 22,307 |
| 129. | 2.76 | Patrick County Public Schools / 18,490 |
| 129. | 2.76 | Mathews County Public Schools / 8,978 |
| 131. | 2.75 | Lexington City Public Schools / 7,042 |
| 132. | 2.73 | Grayson County Public Schools / 15,533 |
| 133. | 2.71 | Bath County Public Schools / 4,731 |
| 134. | 2.68 | Middlesex County Public Schools / 10,959 |
| 135. | 2.67 | Northumberland County Public Schools / 12,330 |
| 136. | 2.66 | Williamsburg City Public Schools / 14,068 |
| 137. | 2.63 | Lancaster County Public Schools / 11,391 |
| 138. | 2.60 | Highland County Public Schools / 2,321 |
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.
