1. Appanoose, Iowa, USA (1)
2. Benton, Iowa, USA 
3. Black Hawk, Iowa, USA (3)
4. Buchanan, Iowa, USA
5. Cedar, Iowa, USA (3)
6. Cerro Gordo, Iowa, USA (1)
7. Clay, Iowa, USA (1)
8. Clayton, Iowa, USA (1)
9. Clinton, Iowa, USA (3)
10. Crawford, Iowa, USA (2)
11. Dallas, Iowa, USA (3)
12. Des Moines County, Iowa, USA
13. Des Moines, Iowa, USA (10)
14. Dubuque county, Iowa, USA
15. Fremont, Iowa, USA (1)
16. Gilman, Iowa, USA
17. Grundy, Iowa, USA (1)
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18. Guthrie, Iowa, USA (1)
19. Hancock, Iowa, USA (1)
20. Henry, Iowa, USA (2)
21. Iowa, Iowa, USA (1)
22. Iowa, USA
23. Jackson, Iowa, USA (2)
24. Jefferson, Iowa, USA (3)
25. Johnson County, Iowa, USA (1)
26. Johnson, Iowa, USA (1)
27. Jones, Iowa, USA (2)
28. Keokuk, Iowa, USA (5)
29. Kossuth, Iowa, USA (2)
30. Lee, Iowa, USA (2)
31. Linn County, Iowa, USA (1)
32. Linn, Iowa, USA (3)
33. Marshall, Iowa, USA (5)
34. Mills, Iowa, USA (1)
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35. Mitchell, Iowa, USA (2)
36. Monona, Iowa, USA (1)
37. Montgomery, Iowa, USA (1)
38. Muscatine County, Iowa, USA (1)
39. Muscatine, Iowa, USA (8)
40. Pocahontas, Iowa, USA (1)
41. Polk, Iowa, USA (1)
42. Scott, Iowa, USA (2)
43. Sioux, Iowa, USA
44. Spring Valley Township, Iowa, USA
45. Tama, Iowa, USA (1)
46. Taylor, Iowa, USA (1)
47. Van Buren, Iowa, USA
48. Webster, Iowa, USA (2)
49. Woodbury, Iowa, USA (2)
50. Wright, Iowa, USA (5)
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