1. Adair County, IA, USA (4) 
2. Allamakee County, IA, USA
3. Benton County, IA, USA
4. Black Hawk County, IA, USA (1)
5. Buchanan County, IA, USA (2)
6. Cerro Gordo County, IA, USA (3)
7. Clarke County, IA, USA (2)
8. Clay County, IA, USA (1)
9. Clinton County, IA, USA (3)
10. Dallas County, IA, USA (6)
11. Delaware County, IA, USA (4)
12. Des Moines County, IA, USA (2)
13. Dubuque County, IA, USA (2)
14. Floyd County, IA, USA (4)
15. Franklin & Ripley Counties, IA, USA (1)
16. Greene County, IA, USA
17. Hamilton County, IA, USA (3)
18. Hancock County, IA, USA (2)
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19. Henry County, IA, USA (2)
20. Humboldt County, IA, USA (1)
21. IA, USA
22. Jackson County, IA, USA (2)
23. Jasper County, IA, USA (2)
24. Johnson County, IA, USA (2)
25. Jones County, IA, USA (1)
26. Lee County, IA, USA (8)
27. Linn County, IA, USA (2)
28. Madison County, IA, USA (3)
29. Mahaska County, IA, USA (2)
30. Masison County, IA, USA (1)
31. Miami County, IA, USA (1)
32. Mills County, IA, USA (2)
33. Mitchell County, IA, USA (1)
34. Montgomery County, IA, USA (1)
35. Muscatine County, IA, USA (1)
36. O'Brien County, IA, USA (1)
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37. Oakland County, IA, USA (1)
38. Page County, IA, USA (1)
39. Palo Alto County, IA, USA (2)
40. Polk County, IA, USA (7)
41. Pottawattamie County, IA, USA (3)
42. Poweshiek County, IA, USA (2)
43. Ringgold County, IA, USA (1)
44. Scott County, IA, USA (2)
45. Story County, IA, USA (1)
46. Tama County, IA, USA (1)
47. Union County, IA, USA (1)
48. Wapello County, IA, USA (1)
49. Warren County, IA, USA (2)
50. Webster County, IA, USA (2)
51. Winneshiek County, IA, USA (1)
52. Woodbury County, IA, USA (1)
53. Worth County, IA, USA (3)
54. Wright County, IA, USA
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