Local Data Search
A total of 99 results found. Show Results on Map.
| Rank | Average Family Size ▼ | County / Population |
| 1. | 3.42 | Davis, IA / 8,718 |
| 2. | 3.33 | Crawford, IA / 17,100 |
| 3. | 3.25 | Clarke, IA / 9,286 |
| 4. | 3.24 | Marshall, IA / 40,568 |
| 5. | 3.23 | Woodbury, IA / 101,948 |
| 6. | 3.23 | Sioux, IA / 33,776 |
| 7. | 3.18 | Louisa, IA / 11,448 |
| 8. | 3.18 | Lyon, IA / 11,623 |
| 9. | 3.15 | Dallas, IA / 66,997 |
| 10. | 3.15 | Mills, IA / 15,028 |
| 11. | 3.15 | Henry, IA / 20,242 |
| 12. | 3.15 | Madison, IA / 15,630 |
| 13. | 3.14 | Muscatine, IA / 42,729 |
| 14. | 3.13 | Buena Vista, IA / 20,215 |
| 15. | 3.13 | Polk, IA / 431,811 |
| 16. | 3.10 | Scott, IA / 165,432 |
| 17. | 3.10 | Ringgold, IA / 5,123 |
| 18. | 3.10 | Linn, IA / 211,954 |
| 19. | 3.09 | Mahaska, IA / 22,432 |
| 20. | 3.09 | Pottawattamie, IA / 92,793 |
| 21. | 3.08 | Lee, IA / 35,741 |
| 22. | 3.07 | Warren, IA / 46,239 |
| 23. | 3.07 | Buchanan, IA / 20,988 |
| 24. | 3.06 | Osceola, IA / 6,413 |
| 25. | 3.06 | Wright, IA / 13,173 |
| 26. | 3.06 | Clinton, IA / 49,074 |
| 27. | 3.05 | Hamilton, IA / 15,614 |
| 28. | 3.04 | Van Buren, IA / 7,565 |
| 29. | 3.03 | Black Hawk, IA / 130,843 |
| 30. | 3.03 | Jefferson, IA / 16,791 |
| 31. | 3.02 | Lucas, IA / 8,913 |
| 32. | 3.02 | Plymouth, IA / 24,911 |
| 33. | 3.02 | Washington, IA / 21,765 |
| 34. | 3.02 | Delaware, IA / 17,721 |
| 35. | 3.01 | Harrison, IA / 14,838 |
| 36. | 3.01 | Howard, IA / 9,568 |
| 37. | 3.01 | Carroll, IA / 20,751 |
| 38. | 3.01 | Keokuk, IA / 10,480 |
| 39. | 3.01 | Johnson, IA / 131,627 |
| 40. | 3.01 | Dubuque, IA / 93,776 |
| 41. | 3.00 | Webster, IA / 37,895 |
| 42. | 2.99 | Fayette, IA / 20,894 |
| 43. | 2.99 | Tama, IA / 17,746 |
| 44. | 2.99 | Hardin, IA / 17,479 |
| 45. | 2.98 | Wayne, IA / 6,372 |
| 46. | 2.98 | Marion, IA / 33,388 |
| 47. | 2.98 | Wapello, IA / 35,449 |
| 48. | 2.97 | Appanoose, IA / 12,858 |
| 49. | 2.97 | Allamakee, IA / 14,285 |
| 50. | 2.97 | Decatur, IA / 8,382 |
| 51. | 2.97 | Boone, IA / 26,324 |
| 52. | 2.96 | Grundy, IA / 12,431 |
| 53. | 2.96 | Benton, IA / 26,044 |
| 54. | 2.95 | Bremer, IA / 24,294 |
| 55. | 2.95 | Cedar, IA / 18,446 |
| 56. | 2.95 | Mitchell, IA / 10,761 |
| 57. | 2.94 | Butler, IA / 14,899 |
| 58. | 2.94 | Shelby, IA / 12,158 |
| 59. | 2.93 | Story, IA / 89,734 |
| 60. | 2.93 | Franklin, IA / 10,650 |
| 61. | 2.93 | Des Moines, IA / 40,268 |
| 62. | 2.93 | Fremont, IA / 7,373 |
| 63. | 2.93 | Palo Alto, IA / 9,402 |
| 64. | 2.93 | Sac, IA / 10,307 |
| 65. | 2.92 | Jones, IA / 20,686 |
| 66. | 2.92 | Iowa, IA / 16,320 |
| 67. | 2.92 | Jasper, IA / 36,823 |
| 68. | 2.91 | Obrien, IA / 14,302 |
| 69. | 2.90 | Adair, IA / 7,628 |
| 70. | 2.90 | Page, IA / 15,902 |
| 71. | 2.90 | Union, IA / 12,525 |
| 72. | 2.90 | Worth, IA / 7,581 |
| 73. | 2.90 | Emmet, IA / 10,263 |
| 74. | 2.89 | Poweshiek, IA / 18,888 |
| 75. | 2.89 | Montgomery, IA / 10,710 |
| 76. | 2.88 | Hancock, IA / 11,320 |
| 77. | 2.88 | Floyd, IA / 16,204 |
| 78. | 2.87 | Pocahontas, IA / 7,307 |
| 79. | 2.87 | Clay, IA / 16,649 |
| 80. | 2.85 | Kossuth, IA / 15,510 |
| 81. | 2.85 | Monroe, IA / 7,979 |
| 82. | 2.85 | Taylor, IA / 6,292 |
| 83. | 2.85 | Greene, IA / 9,304 |
| 84. | 2.84 | Winneshiek, IA / 21,033 |
| 85. | 2.84 | Clayton, IA / 18,056 |
| 86. | 2.83 | Jackson, IA / 19,807 |
| 87. | 2.83 | Monona, IA / 9,242 |
| 88. | 2.82 | Chickasaw, IA / 12,409 |
| 89. | 2.82 | Adams, IA / 4,027 |
| 90. | 2.82 | Humboldt, IA / 9,818 |
| 91. | 2.81 | Winnebago, IA / 10,800 |
| 92. | 2.80 | Cass, IA / 13,865 |
| 93. | 2.79 | Cerro Gordo, IA / 44,083 |
| 94. | 2.78 | Ida, IA / 7,113 |
| 95. | 2.77 | Audubon, IA / 6,077 |
| 96. | 2.77 | Cherokee, IA / 12,011 |
| 97. | 2.76 | Guthrie, IA / 10,915 |
| 98. | 2.54 | Calhoun, IA / 9,936 |
| 99. | 2.53 | Dickinson, IA / 16,778 |
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.