| Rank | Average Household Size ▼ | School District / Population |
| 1. | 3.93 | Fort Campbell Dependent Schools / 13,688 |
| 2. | 3.26 | Fort Knox Dependent Schools / 11,074 |
| 3. | 3.07 | Anchorage Independent School District / 2,392 |
| 4. | 2.87 | Oldham County School District / 60,316 |
| 5. | 2.84 | Grant County School District / 21,084 |
| 5. | 2.84 | Walton-Verona Independent School District / 6,059 |
| 7. | 2.75 | Spencer County School District / 17,061 |
| 8. | 2.72 | Boone County School District / 112,752 |
| 9. | 2.69 | Gallatin County School District / 8,589 |
| 10. | 2.68 | Meade County School District / 24,972 |
| 11. | 2.67 | Bullitt County School District / 74,319 |
| 11. | 2.67 | Pendleton County School District / 14,877 |
| 13. | 2.65 | Jessamine County School District / 48,586 |
| 13. | 2.65 | Williamstown Independent School District / 3,578 |
| 15. | 2.64 | Todd County School District / 12,460 |
| 15. | 2.64 | Kenton County School District / 98,715 |
| 15. | 2.64 | Shelby County School District / 42,074 |
| 18. | 2.63 | Scott County School District / 47,173 |
| 19. | 2.62 | Nelson County School District / 30,498 |
| 19. | 2.62 | Silver Grove Independent School District / 1,508 |
| 21. | 2.59 | Bracken County School District / 7,050 |
| 21. | 2.59 | Hart County School District / 15,438 |
| 23. | 2.58 | Hancock County School District / 8,565 |
| 23. | 2.58 | Whitley County School District / 21,339 |
| 23. | 2.58 | Barren County School District / 26,750 |
| 23. | 2.58 | Dayton Independent School District / 5,338 |
| 23. | 2.58 | Carroll County School District / 10,811 |
| 28. | 2.57 | Eminence Independent School District / 3,135 |
| 28. | 2.57 | Powell County School District / 12,613 |
| 28. | 2.57 | Henry County School District / 12,281 |
| 31. | 2.56 | Trimble County School District / 8,809 |
| 31. | 2.56 | Pulaski County School District for Science Hill ISD / 2,216 |
| 31. | 2.56 | Ohio County School District / 23,842 |
| 31. | 2.56 | Hardin County School District / 85,779 |
| 31. | 2.56 | Science Hill Independent School District / 2,216 |
| 36. | 2.55 | Logan County School District / 20,760 |
| 36. | 2.55 | Anderson County School District / 21,421 |
| 38. | 2.54 | Bourbon County School District / 14,477 |
| 38. | 2.54 | Breckinridge County School District / 18,642 |
| 40. | 2.53 | Harrison County School District / 18,846 |
| 40. | 2.53 | Perry County School District / 23,707 |
| 40. | 2.53 | Laurel County School District / 57,752 |
| 43. | 2.52 | Warren County School District / 87,088 |
| 43. | 2.52 | Marion County School District / 19,820 |
| 43. | 2.52 | Simpson County School District / 17,327 |
| 43. | 2.52 | Garrard County School District / 16,912 |
| 43. | 2.52 | Campbell County School District / 41,926 |
| 43. | 2.52 | Lawrence County School District / 15,860 |
| 43. | 2.52 | Clay County School District / 21,730 |
| 43. | 2.52 | Carter County School District / 27,720 |
| 43. | 2.52 | Allen County School District / 19,956 |
| 43. | 2.52 | Greenup County School District / 19,515 |
| 43. | 2.52 | Owen County School District / 10,841 |
| 43. | 2.52 | Boyd County School District / 23,719 |
| 55. | 2.51 | Lincoln County School District / 24,742 |
| 55. | 2.51 | Webster County School District / 13,621 |
| 55. | 2.51 | Daviess County School District / 67,652 |
| 55. | 2.51 | Montgomery County School District / 26,499 |
| 55. | 2.51 | Johnson County School District / 19,495 |
| 55. | 2.51 | Washington County School District / 11,717 |
| 55. | 2.51 | Woodford County School District / 24,939 |
| 55. | 2.51 | Nicholas County School District / 7,135 |
| 63. | 2.50 | Knox County School District / 27,658 |
| 63. | 2.50 | Taylor County School District / 15,911 |
| 63. | 2.50 | Lewis County School District / 13,870 |
| 63. | 2.50 | McCreary County School District / 18,306 |
| 63. | 2.50 | Bath County School District / 11,591 |
| 63. | 2.50 | Fleming County School District / 14,348 |
| 63. | 2.50 | Martin County School District / 12,929 |
| 70. | 2.49 | Menifee County School District / 6,306 |
| 70. | 2.49 | Magoffin County School District / 13,333 |
| 72. | 2.48 | Graves County School District / 27,496 |
| 72. | 2.48 | Grayson County School District / 25,746 |
| 72. | 2.48 | Christian County School District / 60,270 |
| 72. | 2.48 | Beechwood Independent School District / 5,851 |
| 72. | 2.48 | East Bernstadt Independent School District / 1,097 |
| 72. | 2.48 | Raceland-Worthington Independent School District / 4,508 |
| 72. | 2.48 | Breathitt County School District / 12,800 |
| 72. | 2.48 | Rockcastle County School District / 17,056 |
| 72. | 2.48 | Laurel County School District for East Bernstadt ISD / 1,097 |
| 81. | 2.47 | McLean County School District / 9,531 |
| 81. | 2.47 | Larue County School District / 14,193 |
| 81. | 2.47 | Boyle County School District / 14,852 |
| 81. | 2.47 | Butler County School District / 12,690 |
| 81. | 2.47 | Robertson County School District / 2,282 |
| 86. | 2.46 | Clark County School District / 35,613 |
| 86. | 2.46 | Morgan County School District / 13,923 |
| 86. | 2.46 | Metcalfe County School District / 10,099 |
| 86. | 2.46 | Union County School District / 15,007 |
| 90. | 2.45 | Muhlenberg County School District / 31,499 |
| 90. | 2.45 | Pulaski County School District / 51,811 |
| 90. | 2.45 | Mason County School District / 17,490 |
| 90. | 2.45 | Mercer County School District / 18,592 |
| 90. | 2.45 | Elliott County School District / 7,852 |
| 95. | 2.44 | Jenkins Independent School District / 3,251 |
| 95. | 2.44 | Owsley County School District / 4,755 |
| 95. | 2.44 | Knott County School District / 16,346 |
| 95. | 2.44 | Casey County School District / 15,955 |
| 95. | 2.44 | Edmonson County School District / 12,161 |
| 95. | 2.44 | Jackson County School District / 13,494 |
| 95. | 2.44 | Harlan County School District / 26,335 |
| 102. | 2.43 | Estill County School District / 14,672 |
| 102. | 2.43 | Pike County School District / 58,483 |
| 102. | 2.43 | Madison County School District / 76,271 |
| 102. | 2.43 | Russell Independent School District / 12,887 |
| 102. | 2.43 | Leslie County School District / 11,310 |
| 107. | 2.42 | Letcher County School District / 21,268 |
| 107. | 2.42 | Adair County School District / 18,656 |
| 107. | 2.42 | Green County School District / 11,258 |
| 107. | 2.42 | Trigg County School District / 14,336 |
| 107. | 2.42 | Erlanger-Elsmere Independent School District / 16,949 |
| 107. | 2.42 | Hopkins County School District / 44,301 |
| 113. | 2.41 | Floyd County School District / 39,451 |
| 113. | 2.41 | Bell County School District / 16,674 |
| 113. | 2.41 | Corbin Independent School District / 10,116 |
| 113. | 2.41 | Crittenden County School District / 9,315 |
| 113. | 2.41 | Henderson County School District / 46,250 |
| 118. | 2.40 | Ludlow Independent School District / 5,156 |
| 118. | 2.40 | Monroe County School District / 10,963 |
| 118. | 2.40 | Bardstown Independent School District / 12,939 |
| 121. | 2.39 | Ballard County School District / 8,249 |
| 121. | 2.39 | Burgin Independent School District / 2,739 |
| 121. | 2.39 | Cloverport Independent School District / 1,417 |
| 121. | 2.39 | Pineville Independent School District / 1,683 |
| 125. | 2.38 | Caldwell County School District / 12,984 |
| 125. | 2.38 | Carlisle County School District / 5,104 |
| 125. | 2.38 | Fairview Independent School District / 4,062 |
| 125. | 2.38 | Wayne County School District / 16,922 |
| 125. | 2.38 | Harlan Independent School District / 2,943 |
| 130. | 2.37 | Augusta Independent School District / 1,438 |
| 130. | 2.37 | Livingston County School District / 9,519 |
| 130. | 2.37 | McCracken County School District / 45,095 |
| 130. | 2.37 | Marshall County School District / 31,448 |
| 130. | 2.37 | Dawson Springs Independent School District / 2,619 |
| 135. | 2.36 | Rowan County School District / 23,333 |
| 135. | 2.36 | Lee County School District / 7,887 |
| 135. | 2.36 | Wolfe County School District / 7,355 |
| 138. | 2.35 | Fort Thomas Independent School District / 16,307 |
| 138. | 2.35 | Elizabethtown Independent School District for West Point ISD / 948 |
| 138. | 2.35 | West Point Independent School District / 948 |
| 138. | 2.35 | Russell County School District / 17,565 |
| 138. | 2.35 | Cumberland County School District / 6,856 |
| 138. | 2.35 | Jefferson County School District / 738,704 |
| 144. | 2.34 | Mayfield Independent School District / 9,625 |
| 145. | 2.33 | Clinton County School District / 10,272 |
| 146. | 2.32 | Newport Independent School District / 15,502 |
| 146. | 2.32 | Monticello Independent School District / 3,891 |
| 146. | 2.32 | Elizabethtown Independent School District / 11,372 |
| 146. | 2.32 | Paris Independent School District / 5,508 |
| 146. | 2.32 | Franklin County School District / 44,856 |
| 151. | 2.31 | Russellville Independent School District / 6,075 |
| 151. | 2.31 | Hickman County School District / 4,902 |
| 153. | 2.30 | Hazard Independent School District / 5,005 |
| 153. | 2.30 | Jackson Independent School District / 1,078 |
| 153. | 2.30 | Fayette County School District / 295,803 |
| 156. | 2.29 | Berea Independent School District / 6,645 |
| 157. | 2.28 | Caverna Independent School District / 5,881 |
| 157. | 2.28 | Williamsburg Independent School District / 5,351 |
| 159. | 2.27 | Ashland Independent School District / 21,761 |
| 159. | 2.27 | Owensboro Independent School District / 29,004 |
| 159. | 2.27 | Middlesboro Independent School District / 10,334 |
| 162. | 2.26 | Fulton County School District / 4,254 |
| 163. | 2.25 | Bellevue Independent School District / 5,955 |
| 164. | 2.24 | Bowling Green Independent School District / 26,704 |
| 164. | 2.24 | Danville Independent School District / 13,580 |
| 166. | 2.22 | Calloway County School District / 26,537 |
| 167. | 2.21 | Covington Independent School District / 33,049 |
| 167. | 2.21 | Glasgow Independent School District / 12,303 |
| 169. | 2.20 | Southgate Independent School District / 3,800 |
| 169. | 2.20 | Barbourville Independent School District / 3,056 |
| 171. | 2.19 | Lyon County School District / 8,314 |
| 172. | 2.18 | Campbellsville Independent School District / 8,601 |
| 173. | 2.17 | Somerset Independent School District / 9,036 |
| 174. | 2.16 | Fulton Independent School District / 2,541 |
| 175. | 2.15 | Murray Independent School District / 10,654 |
| 176. | 2.10 | Paducah Independent School District / 20,470 |
| 177. | 2.09 | Pikeville Independent School District / 6,541 |
| 177. | 2.09 | Paintsville Independent School District / 3,861 |
| 179. | 1.98 | Frankfort Independent School District / 4,429 |
Please note that we only rank locations with 'Average Household Size' data. The rank above might not be a complete list. Locations without 'Average Household Size' data are not listed.
