Local Data Search
A total of 99 results found. Show Results on Map.
| Rank | Median Age ▲ | County / Population |
| 1. | 26.50 | Story, IA / 79,981 |
| 2. | 28.40 | Johnson, IA / 111,006 |
| 3. | 32.80 | Sioux, IA / 31,589 |
| 4. | 34.20 | Woodbury, IA / 103,877 |
| 5. | 34.40 | Polk, IA / 374,601 |
| 5. | 34.40 | Black Hawk, IA / 128,012 |
| 7. | 35.10 | Dallas, IA / 40,750 |
| 8. | 35.20 | Linn, IA / 191,701 |
| 9. | 35.40 | Scott, IA / 158,668 |
| 10. | 35.70 | Winneshiek, IA / 21,310 |
| 11. | 35.90 | Louisa, IA / 12,183 |
| 12. | 36.00 | Warren, IA / 40,671 |
| 13. | 36.10 | Muscatine, IA / 41,722 |
| 14. | 36.40 | Decatur, IA / 8,689 |
| 14. | 36.40 | Buena Vista, IA / 20,411 |
| 14. | 36.40 | Buchanan, IA / 21,093 |
| 17. | 36.50 | Pottawattamie, IA / 87,704 |
| 17. | 36.50 | Dubuque, IA / 89,143 |
| 19. | 37.10 | Henry, IA / 20,336 |
| 19. | 37.10 | Delaware, IA / 18,404 |
| 21. | 37.20 | Mahaska, IA / 22,335 |
| 21. | 37.20 | Marion, IA / 32,052 |
| 21. | 37.20 | Benton, IA / 25,308 |
| 24. | 37.70 | Webster, IA / 40,235 |
| 25. | 37.80 | Plymouth, IA / 24,849 |
| 26. | 37.90 | Madison, IA / 14,019 |
| 27. | 38.10 | Lyon, IA / 11,763 |
| 27. | 38.10 | Bremer, IA / 23,325 |
| 27. | 38.10 | Mills, IA / 14,547 |
| 30. | 38.20 | Crawford, IA / 16,942 |
| 30. | 38.20 | Clinton, IA / 50,149 |
| 32. | 38.40 | Poweshiek, IA / 18,815 |
| 33. | 38.50 | Jones, IA / 20,221 |
| 33. | 38.50 | Davis, IA / 8,541 |
| 33. | 38.50 | Jasper, IA / 37,213 |
| 36. | 38.60 | Marshall, IA / 39,311 |
| 36. | 38.60 | Boone, IA / 26,224 |
| 36. | 38.60 | Clarke, IA / 9,133 |
| 39. | 38.70 | Carroll, IA / 21,421 |
| 40. | 38.80 | Washington, IA / 20,670 |
| 40. | 38.80 | Iowa, IA / 15,671 |
| 42. | 38.90 | Harrison, IA / 15,666 |
| 42. | 38.90 | Des Moines, IA / 42,351 |
| 44. | 39.10 | Tama, IA / 18,103 |
| 44. | 39.10 | Jackson, IA / 20,296 |
| 44. | 39.10 | Hamilton, IA / 16,438 |
| 47. | 39.20 | Cedar, IA / 18,187 |
| 47. | 39.20 | Wapello, IA / 36,051 |
| 49. | 39.30 | Cerro Gordo, IA / 46,447 |
| 50. | 39.40 | Clay, IA / 17,372 |
| 50. | 39.40 | Fayette, IA / 22,008 |
| 52. | 39.50 | Howard, IA / 9,932 |
| 52. | 39.50 | Lee, IA / 38,052 |
| 54. | 39.60 | Emmet, IA / 11,027 |
| 55. | 39.70 | Allamakee, IA / 14,675 |
| 55. | 39.70 | Chickasaw, IA / 13,095 |
| 55. | 39.70 | Monroe, IA / 8,016 |
| 55. | 39.70 | Osceola, IA / 7,003 |
| 55. | 39.70 | Hancock, IA / 12,100 |
| 60. | 39.80 | Winnebago, IA / 11,723 |
| 61. | 39.90 | Lucas, IA / 9,422 |
| 62. | 40.00 | Keokuk, IA / 11,400 |
| 63. | 40.10 | Union, IA / 12,309 |
| 64. | 40.20 | Page, IA / 16,976 |
| 64. | 40.20 | Clayton, IA / 18,678 |
| 66. | 40.30 | Floyd, IA / 16,900 |
| 67. | 40.40 | Montgomery, IA / 11,771 |
| 68. | 40.50 | Shelby, IA / 13,173 |
| 69. | 40.60 | Appanoose, IA / 13,721 |
| 69. | 40.60 | Hardin, IA / 18,812 |
| 69. | 40.60 | Mitchell, IA / 10,874 |
| 72. | 40.70 | Palo Alto, IA / 10,147 |
| 72. | 40.70 | Worth, IA / 7,909 |
| 72. | 40.70 | Obrien, IA / 15,102 |
| 75. | 40.80 | Van Buren, IA / 7,809 |
| 75. | 40.80 | Grundy, IA / 12,369 |
| 77. | 41.00 | Greene, IA / 10,366 |
| 78. | 41.10 | Jefferson, IA / 16,181 |
| 79. | 41.20 | Fremont, IA / 8,010 |
| 80. | 41.30 | Butler, IA / 15,305 |
| 80. | 41.30 | Kossuth, IA / 17,163 |
| 80. | 41.30 | Humboldt, IA / 10,381 |
| 80. | 41.30 | Franklin, IA / 10,704 |
| 84. | 41.40 | Wright, IA / 14,334 |
| 85. | 41.50 | Ida, IA / 7,837 |
| 86. | 41.60 | Taylor, IA / 6,958 |
| 86. | 41.60 | Cass, IA / 14,684 |
| 88. | 41.70 | Cherokee, IA / 13,035 |
| 89. | 41.80 | Adair, IA / 8,243 |
| 90. | 41.90 | Adams, IA / 4,482 |
| 90. | 41.90 | Guthrie, IA / 11,353 |
| 92. | 42.10 | Sac, IA / 11,529 |
| 93. | 42.40 | Calhoun, IA / 11,115 |
| 93. | 42.40 | Audubon, IA / 6,830 |
| 95. | 42.50 | Pocahontas, IA / 8,662 |
| 96. | 43.00 | Wayne, IA / 6,730 |
| 96. | 43.00 | Monona, IA / 10,020 |
| 98. | 43.20 | Ringgold, IA / 5,469 |
| 99. | 43.30 | Dickinson, IA / 16,424 |
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.