Local Data Search
A total of 99 results found. Show Results on Map.
| Rank | Average Family Size ▼ | County / Population |
| 1. | 3.41 | Davis, IA / 8,687 |
| 2. | 3.27 | Clarke, IA / 9,218 |
| 3. | 3.26 | Sioux, IA / 33,377 |
| 4. | 3.24 | Louisa, IA / 11,683 |
| 5. | 3.23 | Henry, IA / 20,263 |
| 6. | 3.19 | Marshall, IA / 40,131 |
| 7. | 3.19 | Buena Vista, IA / 19,980 |
| 8. | 3.18 | Woodbury, IA / 101,217 |
| 9. | 3.17 | Madison, IA / 15,488 |
| 10. | 3.17 | Crawford, IA / 16,951 |
| 11. | 3.15 | Muscatine, IA / 42,501 |
| 12. | 3.15 | Dallas, IA / 61,714 |
| 13. | 3.13 | Lucas, IA / 9,116 |
| 14. | 3.10 | Franklin, IA / 10,697 |
| 15. | 3.10 | Polk, IA / 419,301 |
| 16. | 3.09 | Lyon, IA / 11,564 |
| 17. | 3.07 | Mills, IA / 15,157 |
| 18. | 3.07 | Mitchell, IA / 10,801 |
| 19. | 3.07 | Scott, IA / 162,184 |
| 20. | 3.06 | Marion, IA / 33,378 |
| 21. | 3.06 | Plymouth, IA / 24,933 |
| 22. | 3.06 | Warren, IA / 45,346 |
| 23. | 3.06 | Webster, IA / 38,286 |
| 24. | 3.05 | Clinton, IA / 49,274 |
| 25. | 3.05 | Osceola, IA / 6,576 |
| 26. | 3.04 | Washington, IA / 21,626 |
| 27. | 3.03 | Pottawattamie, IA / 91,928 |
| 28. | 3.03 | Benton, IA / 26,098 |
| 29. | 3.03 | Delaware, IA / 17,857 |
| 30. | 3.03 | Wright, IA / 13,384 |
| 31. | 3.03 | Hamilton, IA / 15,874 |
| 32. | 3.02 | Appanoose, IA / 13,029 |
| 33. | 3.02 | Linn, IA / 207,765 |
| 34. | 3.02 | Ringgold, IA / 5,169 |
| 35. | 3.02 | Floyd, IA / 16,394 |
| 36. | 3.01 | Taylor, IA / 6,402 |
| 37. | 3.01 | Obrien, IA / 14,419 |
| 38. | 2.99 | Wapello, IA / 35,553 |
| 39. | 2.99 | Montgomery, IA / 10,901 |
| 40. | 2.99 | Fremont, IA / 7,528 |
| 41. | 2.99 | Johnson, IA / 126,994 |
| 42. | 2.98 | Tama, IA / 17,952 |
| 43. | 2.97 | Fayette, IA / 20,992 |
| 44. | 2.97 | Cedar, IA / 18,414 |
| 45. | 2.97 | Jefferson, IA / 16,643 |
| 46. | 2.97 | Dubuque, IA / 92,547 |
| 47. | 2.97 | Black Hawk, IA / 129,252 |
| 48. | 2.97 | Buchanan, IA / 21,026 |
| 49. | 2.96 | Boone, IA / 26,424 |
| 50. | 2.96 | Allamakee, IA / 14,331 |
| 51. | 2.96 | Des Moines, IA / 40,266 |
| 52. | 2.95 | Shelby, IA / 12,328 |
| 53. | 2.95 | Decatur, IA / 8,508 |
| 54. | 2.95 | Story, IA / 87,594 |
| 55. | 2.95 | Grundy, IA / 12,401 |
| 56. | 2.95 | Wayne, IA / 6,404 |
| 57. | 2.95 | Harrison, IA / 15,073 |
| 58. | 2.95 | Lee, IA / 35,991 |
| 59. | 2.94 | Van Buren, IA / 7,645 |
| 60. | 2.93 | Palo Alto, IA / 9,508 |
| 61. | 2.93 | Carroll, IA / 20,805 |
| 62. | 2.93 | Winneshiek, IA / 21,031 |
| 63. | 2.93 | Butler, IA / 14,892 |
| 64. | 2.92 | Kossuth, IA / 15,748 |
| 65. | 2.92 | Mahaska, IA / 22,382 |
| 66. | 2.92 | Howard, IA / 9,610 |
| 67. | 2.91 | Bremer, IA / 24,185 |
| 68. | 2.91 | Cherokee, IA / 12,086 |
| 69. | 2.90 | Jackson, IA / 19,942 |
| 70. | 2.90 | Adair, IA / 7,779 |
| 71. | 2.90 | Adams, IA / 4,127 |
| 72. | 2.89 | Jones, IA / 20,708 |
| 73. | 2.89 | Iowa, IA / 16,353 |
| 74. | 2.89 | Clayton, IA / 18,202 |
| 75. | 2.88 | Sac, IA / 10,480 |
| 76. | 2.88 | Keokuk, IA / 10,614 |
| 77. | 2.87 | Hardin, IA / 17,685 |
| 78. | 2.87 | Greene, IA / 9,448 |
| 79. | 2.87 | Emmet, IA / 10,389 |
| 80. | 2.86 | Union, IA / 12,409 |
| 81. | 2.86 | Humboldt, IA / 9,905 |
| 82. | 2.86 | Guthrie, IA / 11,040 |
| 83. | 2.86 | Pocahontas, IA / 7,509 |
| 84. | 2.85 | Worth, IA / 7,628 |
| 85. | 2.85 | Audubon, IA / 6,186 |
| 86. | 2.84 | Hancock, IA / 11,505 |
| 87. | 2.84 | Poweshiek, IA / 19,012 |
| 88. | 2.84 | Chickasaw, IA / 12,499 |
| 89. | 2.84 | Ida, IA / 7,172 |
| 90. | 2.83 | Cass, IA / 13,969 |
| 91. | 2.83 | Jasper, IA / 37,050 |
| 92. | 2.83 | Cerro Gordo, IA / 44,324 |
| 93. | 2.83 | Monroe, IA / 7,918 |
| 94. | 2.82 | Winnebago, IA / 10,962 |
| 95. | 2.77 | Clay, IA / 16,718 |
| 96. | 2.77 | Monona, IA / 9,346 |
| 97. | 2.71 | Page, IA / 16,095 |
| 98. | 2.57 | Calhoun, IA / 9,846 |
| 99. | 2.53 | Dickinson, IA / 16,665 |
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.
*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.