Local Data Search
A total of 99 results found. Show Results on Map.
| Rank | Average Family Size ▼ | County / Population |
| 1. | 3.30 | Lucas, IA / 9,410 |
| 2. | 3.23 | Sioux, IA / 32,069 |
| 3. | 3.21 | Davis, IA / 8,549 |
| 4. | 3.21 | Dallas, IA / 57,115 |
| 5. | 3.18 | Franklin, IA / 10,594 |
| 6. | 3.15 | Woodbury, IA / 101,764 |
| 7. | 3.15 | Mitchell, IA / 10,790 |
| 8. | 3.14 | Washington, IA / 21,152 |
| 9. | 3.14 | Osceola, IA / 6,486 |
| 10. | 3.12 | Scott, IA / 162,994 |
| 11. | 3.12 | Muscatine, IA / 42,448 |
| 12. | 3.12 | Louisa, IA / 11,657 |
| 13. | 3.11 | Buena Vista, IA / 19,573 |
| 14. | 3.10 | Mills, IA / 15,052 |
| 15. | 3.09 | Clarke, IA / 9,068 |
| 16. | 3.09 | Benton, IA / 26,628 |
| 17. | 3.08 | Henry, IA / 20,078 |
| 18. | 3.08 | Warren, IA / 44,192 |
| 19. | 3.05 | Polk, IA / 415,949 |
| 20. | 3.04 | Floyd, IA / 16,162 |
| 21. | 3.01 | Story, IA / 84,780 |
| 22. | 3.01 | Plymouth, IA / 24,356 |
| 23. | 3.01 | Jones, IA / 20,365 |
| 24. | 3.00 | Webster, IA / 38,458 |
| 25. | 3.00 | Marshall, IA / 39,093 |
| 26. | 2.99 | Delaware, IA / 17,445 |
| 27. | 2.98 | Crawford, IA / 16,479 |
| 28. | 2.98 | Johnson, IA / 125,810 |
| 29. | 2.97 | Marion, IA / 32,650 |
| 30. | 2.97 | Wapello, IA / 35,484 |
| 31. | 2.97 | Madison, IA / 15,253 |
| 32. | 2.96 | Shelby, IA / 12,218 |
| 33. | 2.96 | Linn, IA / 204,955 |
| 34. | 2.96 | Black Hawk, IA / 127,369 |
| 35. | 2.95 | Buchanan, IA / 20,911 |
| 36. | 2.94 | Dubuque, IA / 92,046 |
| 37. | 2.94 | Mahaska, IA / 22,094 |
| 38. | 2.93 | Monroe, IA / 7,612 |
| 39. | 2.93 | Clinton, IA / 49,129 |
| 40. | 2.92 | Carroll, IA / 20,764 |
| 41. | 2.91 | Taylor, IA / 6,434 |
| 42. | 2.91 | Des Moines, IA / 40,700 |
| 43. | 2.91 | Lyon, IA / 11,274 |
| 44. | 2.90 | Iowa, IA / 15,840 |
| 45. | 2.90 | Allamakee, IA / 14,421 |
| 46. | 2.90 | Winneshiek, IA / 20,764 |
| 47. | 2.90 | Appanoose, IA / 12,975 |
| 48. | 2.89 | Fremont, IA / 7,488 |
| 49. | 2.89 | Pottawattamie, IA / 89,627 |
| 50. | 2.89 | Jackson, IA / 19,892 |
| 51. | 2.88 | Obrien, IA / 14,062 |
| 52. | 2.87 | Van Buren, IA / 7,662 |
| 53. | 2.87 | Cedar, IA / 17,987 |
| 54. | 2.87 | Fayette, IA / 20,484 |
| 55. | 2.87 | Harrison, IA / 15,410 |
| 56. | 2.86 | Hamilton, IA / 15,555 |
| 57. | 2.86 | Lee, IA / 35,772 |
| 58. | 2.85 | Union, IA / 12,076 |
| 59. | 2.85 | Worth, IA / 7,620 |
| 60. | 2.85 | Boone, IA / 26,222 |
| 61. | 2.85 | Emmet, IA / 10,357 |
| 62. | 2.85 | Cerro Gordo, IA / 43,927 |
| 63. | 2.85 | Wright, IA / 13,039 |
| 64. | 2.85 | Tama, IA / 17,659 |
| 65. | 2.84 | Butler, IA / 14,581 |
| 66. | 2.84 | Palo Alto, IA / 9,405 |
| 67. | 2.84 | Adair, IA / 7,555 |
| 68. | 2.84 | Hancock, IA / 11,339 |
| 69. | 2.83 | Keokuk, IA / 10,712 |
| 70. | 2.83 | Cherokee, IA / 11,681 |
| 71. | 2.82 | Decatur, IA / 8,321 |
| 72. | 2.82 | Kossuth, IA / 15,495 |
| 73. | 2.81 | Clayton, IA / 17,667 |
| 74. | 2.81 | Montgomery, IA / 10,968 |
| 75. | 2.81 | Chickasaw, IA / 12,160 |
| 76. | 2.80 | Jefferson, IA / 15,496 |
| 77. | 2.80 | Winnebago, IA / 10,835 |
| 78. | 2.79 | Grundy, IA / 12,166 |
| 79. | 2.79 | Clay, IA / 16,676 |
| 80. | 2.78 | Howard, IA / 9,488 |
| 81. | 2.77 | Guthrie, IA / 11,032 |
| 82. | 2.75 | Bremer, IA / 23,505 |
| 83. | 2.75 | Adams, IA / 4,072 |
| 84. | 2.75 | Humboldt, IA / 9,645 |
| 85. | 2.74 | Ringgold, IA / 5,062 |
| 86. | 2.74 | Jasper, IA / 36,606 |
| 87. | 2.74 | Hardin, IA / 17,486 |
| 88. | 2.74 | Pocahontas, IA / 7,574 |
| 89. | 2.72 | Greene, IA / 9,489 |
| 90. | 2.71 | Ida, IA / 6,971 |
| 91. | 2.70 | Audubon, IA / 6,140 |
| 92. | 2.69 | Wayne, IA / 6,329 |
| 93. | 2.69 | Cass, IA / 13,854 |
| 94. | 2.68 | Poweshiek, IA / 18,564 |
| 95. | 2.66 | Sac, IA / 10,311 |
| 96. | 2.65 | Monona, IA / 9,118 |
| 97. | 2.64 | Calhoun, IA / 9,964 |
| 98. | 2.59 | Page, IA / 15,749 |
| 99. | 2.54 | Dickinson, IA / 16,616 |
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.