| Rank | Average Household Size ▼ | School District / Population |
| 1. | 4.00 | Fremont County School District 14 / 2,344 |
| 2. | 3.82 | Fremont County School District 38 / 1,631 |
| 3. | 3.43 | Fremont County School District 21 / 2,190 |
| 4. | 2.85 | Uinta County School District 6 / 3,248 |
| 5. | 2.76 | Big Horn County School District 1 / 3,085 |
| 6. | 2.71 | Lincoln County School District 2 / 13,408 |
| 6. | 2.71 | Uinta County School District 4 / 3,252 |
| 8. | 2.69 | Uinta County School District 1 / 14,618 |
| 9. | 2.67 | Sweetwater County School District 2 / 13,657 |
| 10. | 2.66 | Campbell County School District 1 / 46,133 |
| 11. | 2.61 | Laramie County School District 2 / 5,540 |
| 12. | 2.59 | Sweetwater County School District 1 / 30,043 |
| 13. | 2.58 | Big Horn County School District 2 / 3,430 |
| 14. | 2.56 | Fremont County School District 6 / 2,198 |
| 15. | 2.52 | Sublette County School District 9 / 4,119 |
| 16. | 2.49 | Fremont County School District 25 / 16,987 |
| 17. | 2.48 | Sheridan County School District 1 / 4,623 |
| 18. | 2.46 | Sublette County School District 1 / 6,932 |
| 18. | 2.46 | Carbon County School District 1 / 11,195 |
| 20. | 2.44 | Converse County School District 2 / 4,276 |
| 21. | 2.43 | Washakie County School District 1 / 7,801 |
| 22. | 2.41 | Natrona County School District 1 / 75,450 |
| 22. | 2.41 | Fremont County School District 24 / 1,545 |
| 22. | 2.41 | Lincoln County School District 1 / 3,894 |
| 22. | 2.41 | Converse County School District 1 / 9,557 |
| 22. | 2.41 | Crook County School District 1 / 7,083 |
| 27. | 2.39 | Big Horn County School District 3 / 3,029 |
| 28. | 2.38 | Park County School District 1 / 11,915 |
| 28. | 2.38 | Laramie County School District 1 / 86,198 |
| 30. | 2.37 | Weston County School District 7 / 1,521 |
| 31. | 2.34 | Teton County School District 1 / 21,294 |
| 32. | 2.32 | Fremont County School District 1 / 11,330 |
| 33. | 2.30 | Big Horn County School District 4 / 2,244 |
| 34. | 2.29 | Goshen County School District 1 / 13,164 |
| 35. | 2.26 | Sheridan County School District 3 / 429 |
| 35. | 2.26 | Weston County School District 1 / 5,687 |
| 37. | 2.25 | Johnson County School District 1 / 8,569 |
| 38. | 2.24 | Park County School District 6 / 15,093 |
| 38. | 2.24 | Sheridan County School District 2 / 24,064 |
| 40. | 2.23 | Platte County School District 1 / 7,251 |
| 40. | 2.23 | Platte County School District 2 / 1,465 |
| 42. | 2.19 | Park County School District 16 / 789 |
| 43. | 2.18 | Washakie County School District 2 / 732 |
| 43. | 2.18 | Carbon County School District 2 / 4,796 |
| 45. | 2.17 | Albany County School District 1 / 36,299 |
| 46. | 2.16 | Hot Springs County School District 1 / 4,812 |
| 47. | 2.13 | Niobrara County School District 1 / 2,520 |
| 48. | 1.98 | Fremont County School District 2 / 1,898 |
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.
