| Rank | Average Household Size ▼ | School District / Population |
| 1. | 3.04 | Central Falls School District / 18,869 |
| 2. | 2.84 | Burrillville School District / 16,513 |
| 3. | 2.84 | Scituate School District / 10,860 |
| 4. | 2.79 | Foster Elementary School District / 4,499 |
| 5. | 2.79 | Barrington School District / 16,455 |
| 6. | 2.79 | Foster-Glocester Regional School District / 15,028 |
| 7. | 2.78 | Glocester Elementary School District / 10,529 |
| 8. | 2.74 | Exeter-West Greenwich Regional School District / 12,581 |
| 9. | 2.69 | Providence School District / 172,519 |
| 10. | 2.68 | Name N/A / 36,662 |
| 11. | 2.67 | Cumberland School District / 34,211 |
| 12. | 2.63 | North Smithfield School District / 11,341 |
| 13. | 2.63 | Lincoln School District / 22,010 |
| 14. | 2.61 | Chariho Regional School District / 23,823 |
| 15. | 2.61 | East Greenwich School District / 13,385 |
| 16. | 2.59 | Coventry School District / 34,739 |
| 17. | 2.57 | North Kingstown School District / 26,710 |
| 18. | 2.55 | Pawtucket School District / 72,437 |
| 19. | 2.54 | Johnston School District / 28,704 |
| 20. | 2.51 | Cranston School District / 80,403 |
| 21. | 2.51 | Smithfield School District / 21,254 |
| 22. | 2.50 | South Kingstown School District / 29,243 |
| 23. | 2.47 | Little Compton School District / 3,540 |
| 24. | 2.45 | Woonsocket School District / 43,643 |
| 25. | 2.43 | Jamestown School District / 5,513 |
| 26. | 2.42 | Tiverton School District / 15,092 |
| 27. | 2.42 | Portsmouth School District / 17,006 |
| 28. | 2.42 | Bristol-Warren Regional School District / 33,567 |
| 29. | 2.38 | Middletown School District / 16,308 |
| 30. | 2.37 | Westerly School District / 23,418 |
| 31. | 2.37 | East Providence School District / 48,801 |
| 32. | 2.36 | Warwick School District / 85,383 |
| 33. | 2.35 | West Warwick School District / 29,446 |
| 34. | 2.34 | Narragansett School District / 16,578 |
| 35. | 2.26 | North Providence School District / 32,807 |
| 36. | 2.22 | New Shoreham School District / 960 |
| 37. | 2.11 | Newport School District / 24,234 |
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.
*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.
