1. Black Hawk County, Iowa, United States 
2. Buena Vista, Iowa, United States (1)
3. Clay County, Iowa, United States
4. Clay, Iowa, United States (6)
5. Davis County, Iowa, United States
6. Des Moines, Iowa, United States (2)
7. Dickinson, Iowa, United States (3)
8. Iowa, United States
9. Keokuk County, Iowa, United States
10. Keokuk, Iowa, United States (2)
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11. Langdon, Iowa, United States
12. Linn, Iowa, United States (1)
13. Mahaska County, Iowa, United States
14. Mahaska, Iowa, United States (2)
15. Milford, Iowa, United States
16. O'Brien, Iowa, United States (2)
17. Page, Iowa, United States (1)
18. Palo Alto, Iowa, United States (5)
19. Polk, Iowa, United States
20. Poweshiek, Iowa, United States (1)
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21. Ringgold, Iowa, United States (1)
22. Sac, Iowa, United States (1)
23. Sheldon, Iowa, United States
24. Spencer, Iowa, United States
25. Story, Iowa, United States (1)
26. Taylor, Iowa, United States (1)
27. Wapello County, Iowa, United States
28. Wapello, Iowa, United States (3)
29. Washington, Iowa, United States (2)
30. Waterloo, Iowa, United States
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