| Rank | Average Family Size ▼ | School District / Population |
| 1. | 4.01 | Fort Campbell Dependent Schools / 13,688 |
| 2. | 3.58 | Fort Knox Dependent Schools / 11,074 |
| 3. | 3.28 | Anchorage Independent School District / 2,392 |
| 4. | 3.27 | Silver Grove Independent School District / 1,508 |
| 5. | 3.24 | Walton-Verona Independent School District / 6,059 |
| 6. | 3.20 | Oldham County School District / 60,316 |
| 7. | 3.19 | Grant County School District / 21,084 |
| 8. | 3.18 | Boone County School District / 112,752 |
| 9. | 3.16 | Williamstown Independent School District / 3,578 |
| 10. | 3.15 | Ludlow Independent School District / 5,156 |
| 11. | 3.14 | Dayton Independent School District / 5,338 |
| 11. | 3.14 | Beechwood Independent School District / 5,851 |
| 13. | 3.13 | Todd County School District / 12,460 |
| 14. | 3.11 | Gallatin County School District / 8,589 |
| 14. | 3.11 | Kenton County School District / 98,715 |
| 16. | 3.09 | Newport Independent School District / 15,502 |
| 17. | 3.08 | Hart County School District / 15,438 |
| 17. | 3.08 | Pendleton County School District / 14,877 |
| 19. | 3.07 | Spencer County School District / 17,061 |
| 19. | 3.07 | Scott County School District / 47,173 |
| 19. | 3.07 | Meade County School District / 24,972 |
| 22. | 3.05 | Jessamine County School District / 48,586 |
| 22. | 3.05 | Harlan Independent School District / 2,943 |
| 24. | 3.04 | Eminence Independent School District / 3,135 |
| 24. | 3.04 | Marion County School District / 19,820 |
| 24. | 3.04 | Whitley County School District / 21,339 |
| 27. | 3.03 | Pineville Independent School District / 1,683 |
| 27. | 3.03 | Carroll County School District / 10,811 |
| 27. | 3.03 | Campbell County School District / 41,926 |
| 27. | 3.03 | Powell County School District / 12,613 |
| 27. | 3.03 | Covington Independent School District / 33,049 |
| 27. | 3.03 | Bullitt County School District / 74,319 |
| 27. | 3.03 | Bracken County School District / 7,050 |
| 27. | 3.03 | Fort Thomas Independent School District / 16,307 |
| 35. | 3.02 | Martin County School District / 12,929 |
| 35. | 3.02 | Warren County School District / 87,088 |
| 35. | 3.02 | Shelby County School District / 42,074 |
| 35. | 3.02 | Hardin County School District / 85,779 |
| 35. | 3.02 | Mayfield Independent School District / 9,625 |
| 35. | 3.02 | Ohio County School District / 23,842 |
| 35. | 3.02 | Christian County School District / 60,270 |
| 35. | 3.02 | Nelson County School District / 30,498 |
| 43. | 3.01 | McCreary County School District / 18,306 |
| 43. | 3.01 | Bellevue Independent School District / 5,955 |
| 43. | 3.01 | Breckinridge County School District / 18,642 |
| 43. | 3.01 | Jackson Independent School District / 1,078 |
| 43. | 3.01 | Barbourville Independent School District / 3,056 |
| 48. | 3.00 | Lawrence County School District / 15,860 |
| 48. | 3.00 | Hancock County School District / 8,565 |
| 48. | 3.00 | Owen County School District / 10,841 |
| 48. | 3.00 | Trimble County School District / 8,809 |
| 48. | 3.00 | Washington County School District / 11,717 |
| 48. | 3.00 | Bath County School District / 11,591 |
| 48. | 3.00 | Knox County School District / 27,658 |
| 48. | 3.00 | Erlanger-Elsmere Independent School District / 16,949 |
| 56. | 2.99 | Daviess County School District / 67,652 |
| 56. | 2.99 | Clay County School District / 21,730 |
| 56. | 2.99 | Logan County School District / 20,760 |
| 56. | 2.99 | Allen County School District / 19,956 |
| 56. | 2.99 | Simpson County School District / 17,327 |
| 56. | 2.99 | Bardstown Independent School District / 12,939 |
| 62. | 2.98 | Monticello Independent School District / 3,891 |
| 62. | 2.98 | Laurel County School District / 57,752 |
| 62. | 2.98 | Perry County School District / 23,707 |
| 62. | 2.98 | Casey County School District / 15,955 |
| 62. | 2.98 | Jefferson County School District / 738,704 |
| 62. | 2.98 | Webster County School District / 13,621 |
| 68. | 2.97 | Barren County School District / 26,750 |
| 68. | 2.97 | Carter County School District / 27,720 |
| 68. | 2.97 | Metcalfe County School District / 10,099 |
| 68. | 2.97 | Henry County School District / 12,281 |
| 68. | 2.97 | Paris Independent School District / 5,508 |
| 68. | 2.97 | Nicholas County School District / 7,135 |
| 68. | 2.97 | Greenup County School District / 19,515 |
| 68. | 2.97 | Breathitt County School District / 12,800 |
| 68. | 2.97 | Fleming County School District / 14,348 |
| 68. | 2.97 | Harrison County School District / 18,846 |
| 78. | 2.96 | Montgomery County School District / 26,499 |
| 78. | 2.96 | East Bernstadt Independent School District / 1,097 |
| 78. | 2.96 | Science Hill Independent School District / 2,216 |
| 78. | 2.96 | Bourbon County School District / 14,477 |
| 78. | 2.96 | Lincoln County School District / 24,742 |
| 78. | 2.96 | Mason County School District / 17,490 |
| 78. | 2.96 | Anderson County School District / 21,421 |
| 78. | 2.96 | Owsley County School District / 4,755 |
| 78. | 2.96 | Pulaski County School District for Science Hill ISD / 2,216 |
| 78. | 2.96 | Menifee County School District / 6,306 |
| 78. | 2.96 | Laurel County School District for East Bernstadt ISD / 1,097 |
| 78. | 2.96 | Cloverport Independent School District / 1,417 |
| 90. | 2.95 | Magoffin County School District / 13,333 |
| 90. | 2.95 | Bowling Green Independent School District / 26,704 |
| 90. | 2.95 | Elizabethtown Independent School District / 11,372 |
| 90. | 2.95 | Monroe County School District / 10,963 |
| 90. | 2.95 | Harlan County School District / 26,335 |
| 90. | 2.95 | Woodford County School District / 24,939 |
| 96. | 2.94 | Crittenden County School District / 9,315 |
| 96. | 2.94 | Larue County School District / 14,193 |
| 96. | 2.94 | Rockcastle County School District / 17,056 |
| 96. | 2.94 | Union County School District / 15,007 |
| 96. | 2.94 | Leslie County School District / 11,310 |
| 96. | 2.94 | Jenkins Independent School District / 3,251 |
| 96. | 2.94 | Knott County School District / 16,346 |
| 96. | 2.94 | Johnson County School District / 19,495 |
| 96. | 2.94 | Owensboro Independent School District / 29,004 |
| 96. | 2.94 | Fayette County School District / 295,803 |
| 96. | 2.94 | Raceland-Worthington Independent School District / 4,508 |
| 96. | 2.94 | Williamsburg Independent School District / 5,351 |
| 96. | 2.94 | Grayson County School District / 25,746 |
| 96. | 2.94 | Augusta Independent School District / 1,438 |
| 96. | 2.94 | Graves County School District / 27,496 |
| 111. | 2.93 | Boyd County School District / 23,719 |
| 111. | 2.93 | Elliott County School District / 7,852 |
| 111. | 2.93 | Clark County School District / 35,613 |
| 111. | 2.93 | Lewis County School District / 13,870 |
| 111. | 2.93 | Henderson County School District / 46,250 |
| 111. | 2.93 | Mercer County School District / 18,592 |
| 111. | 2.93 | Corbin Independent School District / 10,116 |
| 118. | 2.92 | Russellville Independent School District / 6,075 |
| 118. | 2.92 | Robertson County School District / 2,282 |
| 118. | 2.92 | Estill County School District / 14,672 |
| 118. | 2.92 | Taylor County School District / 15,911 |
| 118. | 2.92 | Madison County School District / 76,271 |
| 118. | 2.92 | Garrard County School District / 16,912 |
| 118. | 2.92 | Jackson County School District / 13,494 |
| 118. | 2.92 | Hazard Independent School District / 5,005 |
| 126. | 2.91 | Dawson Springs Independent School District / 2,619 |
| 126. | 2.91 | Adair County School District / 18,656 |
| 126. | 2.91 | Floyd County School District / 39,451 |
| 126. | 2.91 | Butler County School District / 12,690 |
| 126. | 2.91 | Morgan County School District / 13,923 |
| 126. | 2.91 | Letcher County School District / 21,268 |
| 132. | 2.90 | Bell County School District / 16,674 |
| 132. | 2.90 | McLean County School District / 9,531 |
| 132. | 2.90 | Hopkins County School District / 44,301 |
| 132. | 2.90 | Green County School District / 11,258 |
| 132. | 2.90 | Muhlenberg County School District / 31,499 |
| 132. | 2.90 | Rowan County School District / 23,333 |
| 138. | 2.89 | Wolfe County School District / 7,355 |
| 138. | 2.89 | Elizabethtown Independent School District for West Point ISD / 948 |
| 138. | 2.89 | West Point Independent School District / 948 |
| 138. | 2.89 | Pulaski County School District / 51,811 |
| 138. | 2.89 | Edmonson County School District / 12,161 |
| 138. | 2.89 | Russell Independent School District / 12,887 |
| 138. | 2.89 | Pike County School District / 58,483 |
| 145. | 2.88 | Cumberland County School District / 6,856 |
| 145. | 2.88 | Carlisle County School District / 5,104 |
| 145. | 2.88 | Fulton Independent School District / 2,541 |
| 145. | 2.88 | Clinton County School District / 10,272 |
| 145. | 2.88 | Berea Independent School District / 6,645 |
| 145. | 2.88 | Boyle County School District / 14,852 |
| 151. | 2.87 | Paducah Independent School District / 20,470 |
| 151. | 2.87 | Fairview Independent School District / 4,062 |
| 151. | 2.87 | Trigg County School District / 14,336 |
| 151. | 2.87 | Ashland Independent School District / 21,761 |
| 155. | 2.86 | Franklin County School District / 44,856 |
| 155. | 2.86 | Caldwell County School District / 12,984 |
| 155. | 2.86 | Somerset Independent School District / 9,036 |
| 155. | 2.86 | Middlesboro Independent School District / 10,334 |
| 155. | 2.86 | Lee County School District / 7,887 |
| 155. | 2.86 | Caverna Independent School District / 5,881 |
| 155. | 2.86 | Ballard County School District / 8,249 |
| 162. | 2.85 | Wayne County School District / 16,922 |
| 162. | 2.85 | Hickman County School District / 4,902 |
| 162. | 2.85 | Glasgow Independent School District / 12,303 |
| 162. | 2.85 | Paintsville Independent School District / 3,861 |
| 162. | 2.85 | McCracken County School District / 45,095 |
| 167. | 2.84 | Danville Independent School District / 13,580 |
| 167. | 2.84 | Campbellsville Independent School District / 8,601 |
| 167. | 2.84 | Russell County School District / 17,565 |
| 167. | 2.84 | Burgin Independent School District / 2,739 |
| 171. | 2.83 | Southgate Independent School District / 3,800 |
| 172. | 2.82 | Livingston County School District / 9,519 |
| 172. | 2.82 | Frankfort Independent School District / 4,429 |
| 172. | 2.82 | Pikeville Independent School District / 6,541 |
| 175. | 2.81 | Calloway County School District / 26,537 |
| 175. | 2.81 | Marshall County School District / 31,448 |
| 177. | 2.80 | Fulton County School District / 4,254 |
| 177. | 2.80 | Murray Independent School District / 10,654 |
| 179. | 2.68 | Lyon County School District / 8,314 |
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.
