Local Data Search
A total of 99 results found. Show Results on Map.
| Rank | Median Age ▲ | County / Population |
| 1. | 26.70 | Story, IA / 89,542 |
| 2. | 29.30 | Johnson, IA / 130,882 |
| 3. | 32.70 | Sioux, IA / 33,704 |
| 4. | 34.30 | Dallas, IA / 66,135 |
| 5. | 34.40 | Black Hawk, IA / 131,090 |
| 6. | 34.70 | Polk, IA / 430,640 |
| 7. | 35.10 | Woodbury, IA / 102,172 |
| 8. | 36.50 | Linn, IA / 211,226 |
| 9. | 37.10 | Buena Vista, IA / 20,260 |
| 10. | 37.70 | Scott, IA / 165,224 |
| 11. | 38.20 | Muscatine, IA / 42,745 |
| 11. | 38.20 | Decatur, IA / 8,457 |
| 13. | 38.30 | Warren, IA / 46,225 |
| 14. | 38.40 | Crawford, IA / 17,096 |
| 15. | 38.50 | Pottawattamie, IA / 93,158 |
| 16. | 38.60 | Davis, IA / 8,753 |
| 16. | 38.60 | Dubuque, IA / 93,653 |
| 16. | 38.60 | Marion, IA / 33,309 |
| 19. | 38.70 | Lyon, IA / 11,581 |
| 20. | 38.90 | Mahaska, IA / 22,381 |
| 21. | 39.00 | Buchanan, IA / 20,958 |
| 22. | 39.30 | Bremer, IA / 24,276 |
| 23. | 39.40 | Winneshiek, IA / 21,056 |
| 24. | 39.60 | Marshall, IA / 40,648 |
| 25. | 39.80 | Madison, IA / 15,679 |
| 25. | 39.80 | Wapello, IA / 35,625 |
| 25. | 39.80 | Louisa, IA / 11,387 |
| 28. | 40.00 | Webster, IA / 38,013 |
| 29. | 40.20 | Clarke, IA / 9,286 |
| 29. | 40.20 | Henry, IA / 20,145 |
| 31. | 40.80 | Boone, IA / 26,306 |
| 32. | 40.90 | Union, IA / 12,534 |
| 32. | 40.90 | Benton, IA / 26,076 |
| 34. | 41.00 | Poweshiek, IA / 18,914 |
| 34. | 41.00 | Emmet, IA / 10,302 |
| 36. | 41.20 | Mills, IA / 15,059 |
| 36. | 41.20 | Plymouth, IA / 24,986 |
| 38. | 41.40 | Clinton, IA / 49,116 |
| 39. | 41.50 | Des Moines, IA / 40,325 |
| 40. | 41.60 | Washington, IA / 21,704 |
| 40. | 41.60 | Jasper, IA / 36,842 |
| 42. | 41.80 | Tama, IA / 17,767 |
| 43. | 42.10 | Delaware, IA / 17,764 |
| 43. | 42.10 | Howard, IA / 9,566 |
| 43. | 42.10 | Monroe, IA / 7,970 |
| 46. | 42.30 | Hamilton, IA / 15,673 |
| 46. | 42.30 | Carroll, IA / 20,816 |
| 48. | 42.40 | Cedar, IA / 18,499 |
| 48. | 42.40 | Iowa, IA / 16,355 |
| 50. | 42.50 | Clay, IA / 16,667 |
| 51. | 42.60 | Lee, IA / 35,862 |
| 52. | 42.70 | Jones, IA / 20,638 |
| 53. | 42.80 | Franklin, IA / 10,680 |
| 54. | 42.90 | Harrison, IA / 14,928 |
| 55. | 43.00 | Grundy, IA / 12,453 |
| 56. | 43.20 | Fayette, IA / 20,880 |
| 57. | 43.30 | Cerro Gordo, IA / 44,151 |
| 57. | 43.30 | Floyd, IA / 16,303 |
| 57. | 43.30 | Van Buren, IA / 7,570 |
| 60. | 43.50 | Jefferson, IA / 16,843 |
| 60. | 43.50 | Osceola, IA / 6,462 |
| 60. | 43.50 | Winnebago, IA / 10,866 |
| 63. | 43.60 | Obrien, IA / 14,398 |
| 64. | 43.70 | Hardin, IA / 17,534 |
| 64. | 43.70 | Page, IA / 15,932 |
| 64. | 43.70 | Chickasaw, IA / 12,439 |
| 67. | 43.80 | Keokuk, IA / 10,511 |
| 67. | 43.80 | Butler, IA / 14,867 |
| 67. | 43.80 | Worth, IA / 7,598 |
| 70. | 43.90 | Palo Alto, IA / 9,421 |
| 71. | 44.00 | Mitchell, IA / 10,776 |
| 71. | 44.00 | Allamakee, IA / 14,330 |
| 71. | 44.00 | Jackson, IA / 19,848 |
| 74. | 44.10 | Lucas, IA / 8,898 |
| 75. | 44.20 | Appanoose, IA / 12,887 |
| 76. | 44.30 | Humboldt, IA / 9,815 |
| 77. | 44.40 | Wright, IA / 13,229 |
| 78. | 44.60 | Taylor, IA / 6,317 |
| 78. | 44.60 | Montgomery, IA / 10,740 |
| 80. | 44.80 | Guthrie, IA / 10,954 |
| 80. | 44.80 | Hancock, IA / 11,341 |
| 80. | 44.80 | Ida, IA / 7,089 |
| 83. | 45.00 | Clayton, IA / 18,129 |
| 84. | 45.10 | Cass, IA / 13,956 |
| 84. | 45.10 | Fremont, IA / 7,441 |
| 86. | 45.30 | Wayne, IA / 6,403 |
| 86. | 45.30 | Adair, IA / 7,682 |
| 88. | 45.40 | Shelby, IA / 12,167 |
| 89. | 45.60 | Ringgold, IA / 5,131 |
| 89. | 45.60 | Greene, IA / 9,336 |
| 91. | 46.60 | Sac, IA / 10,350 |
| 91. | 46.60 | Kossuth, IA / 15,543 |
| 93. | 46.70 | Adams, IA / 4,029 |
| 94. | 47.00 | Audubon, IA / 6,119 |
| 94. | 47.00 | Cherokee, IA / 12,072 |
| 96. | 47.50 | Monona, IA / 9,243 |
| 97. | 47.60 | Pocahontas, IA / 7,310 |
| 98. | 47.80 | Calhoun, IA / 9,670 |
| 99. | 48.10 | Dickinson, IA / 16,667 |
Please note that we only rank locations with 'Median Age' data. The rank above might not be a complete list. Locations without 'Median Age' data are not listed.