1. , Iowa, United States (12)
2. Benton, Iowa, United States (26)
3. Bremer, Iowa, United States (1)
4. Butler, Iowa, United States (2)
5. , Calhoun, Iowa, United States
6. Carroll, Iowa, United States (1)
7. Cerro Gerdo, Iowa, United States (1)
8. Cerro Gordo, Iowa, United States (2)
9. Clinton, Iowa, United States (1)
10. Crawford, Iowa, United States (1)
11. Decatur, Iowa, United States (1)
12. Des Moines, Iowa, United States (2)
13. Dubuque, Iowa, United States (1)
14. Emmet, Iowa, United States (1)
15. Floyd, Iowa, United States (4)
16. Franklin, Iowa, United States (4)
17. Hancock, Iowa, United States (2)
18. Hardin, Iowa, United States (4)
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19. Harrison, Iowa, United States (17)
20. Henry, Iowa, United States (1)
21. Howard, Iowa, United States
22. Iowa, Iowa, United States (6)
23. Iowa, United States
24. Johnson, Iowa, United States (1)
25. Keokuk, Iowa, United States (2)
26. Kossuth, Iowa, United States (1)
27. Lee, Iowa, United States (1)
28. Lewistion, Iowa, United States (1)
29. Linn, Iowa, United States (4)
30. Louisa, Iowa, United States (2)
31. Madison, Iowa, United States (2)
32. Mahaska, Iowa, United States (1)
33. Marengo, Iowa, United States
34. Marshall, Iowa, United States (2)
35. Mills, Iowa, United States (4)
36. Monona, Iowa, United States (2)
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37. Montgomery, Iowa, United States (1)
38. Muscatine, Iowa, United States (6)
39. of Casey, Iowa, United States
40. Pocahontas, Iowa, United States (1)
41. Polk, Iowa, United States (2)
42. Pottawattamie, Iowa, United States (39)
43. Scott, Iowa, United States (1)
44. Shelby, Iowa, United States (4)
45. Union, Iowa, United States (3)
46. Van Buren, Iowa, United States (2)
47. Wapello, Iowa, United States (1)
48. Washington, Iowa, United States (3)
49. Williamsburg, Iowa, United States
50. Winnebago, Iowa, United States (7)
51. Woodbury, Iowa, United States (3)
52. Wright, Iowa, United States (1)
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