1. Adair, Iowa, USA (2)
2. Black Hawk, Iowa, USA (2)
3. Boone, Iowa, USA (3) 
4. Buchanan, Iowa, USA
5. Buena Vista, Iowa, USA (1)
6. Bulter, Iowa, USA (1)
7. Cass, Iowa, USA (1)
8. Clinton, Iowa, USA (1)
9. Crawford, Iowa, USA (1)
10. Dallas, Iowa, USA (1)
11. Des Moines, Iowa, USA (1)
12. Emmet, Iowa, USA (1)
13. Fremont, Iowa, USA (1)
14. Greene, Iowa, USA (5)
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15. Humboldt, Iowa, USA
16. Iowa, Iowa, USA (3)
17. Iowa, USA
18. Johnson, Iowa, USA (2)
19. Jones County, Iowa, USA (1)
20. Jones, Iowa, USA (1)
21. Keokuk, Iowa, USA (7)
22. Linn, Iowa, USA (1)
23. Mills, Iowa, USA (11)
24. Montgomery County, Iowa, USA (2)
25. Montgomery, Iowa, USA (2)
26. Muscaine County, Iowa, USA (1)
27. Muscatine, Iowa, USA
28. Polk, Iowa, USA (1)
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29. Pottawattamie, Iowa, USA (3)
30. Poweshiek, Iowa, USA (1)
31. Scott, Iowa, USA (1)
32. Shelby, Iowa, USA (2)
33. Story, Iowa, USA (3)
34. Tama, Iowa, USA (1)
35. Union, Iowa, USA (1)
36. Wapello County, Iowa, USA
37. Washington, Iowa, USA (1)
38. Winneshiek, Iowa, USA (1)
39. Woodbury, Iowa, USA (1)
40. Worth, Iowa, USA (1)
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