1. , , Iowa, USA 
2. , Adair, Iowa, USA
3. Allamakee, Iowa, USA (1)
4. Appanoose, Iowa, USA (1)
5. Benton, Iowa, USA (7)
6. Black Hawk, Iowa, USA (13)
7. Boone, Iowa, USA (4)
8. Bremer, Iowa, USA (1)
9. Buchanan, Iowa, USA (1)
10. Buena Vista, Iowa, USA (3)
11. Butler, Iowa, USA (4)
12. Cass, Iowa, USA (3)
13. Cerro Gordo, Iowa, USA (4)
14. Cherokee, Iowa, USA (1)
15. Chickasaw, Iowa, USA (2)
16. Clarke, Iowa, USA (1)
17. Clay, Iowa, USA (5)
18. Clayton, Iowa, USA (1)
19. Clinton, Iowa, USA (1)
20. Crawford, Iowa, USA (2)
21. Dallas, Iowa, USA (1)
22. Delaware, Iowa, USA (1)
23. Des Moines, Iowa, USA (1)
24. Dickinson, Iowa, USA (3)
25. Dubuque, Iowa, USA (1)
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26. Emmet, Iowa, USA (2)
27. Fayette, Iowa, USA (2)
28. , Floyd, Iowa, USA
29. Franklin, Iowa, USA (1)
30. Fremont, Iowa, USA (1)
31. Greene, Iowa, USA (1)
32. Grundy, Iowa, USA (2)
33. Guthrie, Iowa, USA (2)
34. Hamilton, Iowa, USA (7)
35. Hardin, Iowa, USA (1)
36. Harrison, Iowa, USA (1)
37. Henry, Iowa, USA (1)
38. Howard, Iowa, USA (1)
39. Humboldt, Iowa, USA (5)
40. Jackson, Iowa, USA (1)
41. Jasper, Iowa, USA (1)
42. Jefferson, Iowa, USA (4)
43. Johnson, Iowa, USA (1)
44. Jones, Iowa, USA (3)
45. Kossuth, Iowa, USA (1)
46. Lee, Iowa, USA (3)
47. Linn, Iowa, USA (1)
48. Louisa, Iowa, USA (1)
49. Lyon, Iowa, USA (1)
50. Madison, Iowa, USA (2)
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51. Marshall, Iowa, USA (2)
52. Mills, Iowa, USA (3)
53. Mitchell, Iowa, USA (18)
54. Monona, Iowa, USA (5)
55. Monroe, Iowa, USA (1)
56. Montgomery, Iowa, USA (4)
57. O'brien, Iowa, USA (2)
58. Osceola, Iowa, USA (1)
59. Page, Iowa, USA (6)
60. Plymouth, Iowa, USA (2)
61. Pocahontas, Iowa, USA (1)
62. Polk, Iowa, USA (2)
63. Pottawattamie, Iowa, USA (13)
64. Sac, Iowa, USA (1)
65. Scott, Iowa, USA (2)
66. Story, Iowa, USA (1)
67. Tama, Iowa, USA (1)
68. Taylor, Iowa, USA (1)
69. Webster, Iowa, USA (5)
70. Winnebago, Iowa, USA (1)
71. Winneshiek, Iowa, USA (4)
72. Woodbury, Iowa, USA (3)
73. Worth, Iowa, USA (1)
74. Wright, Iowa, USA (2)
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