Counties in Iowa

1. Hardin (State: Iowa Population: 10,037)
2. Kossuth (State: Iowa Population: 5,741)
3. Butler (State: Iowa Population: 7,787)
4. Buena Vista (State: Iowa Population: 11,941)
5. Sioux (State: Iowa Population: 19,819)
6. Polk (State: Iowa Population: 357,239)
7. Story (State: Iowa Population: 65,563)
8. Jones (State: Iowa Population: 9,101)
9. Cass (State: Iowa Population: 9,345)
10. Dubuque (State: Iowa Population: 68,891)
11. Audubon (State: Iowa Population: 2,382)
12. Pottawattamie (State: Iowa Population: 63,126)
13. Buchanan (State: Iowa Population: 9,267)
14. Jasper (State: Iowa Population: 22,027)
15. Benton (State: Iowa Population: 10,223)
16. Davis (State: Iowa Population: 2,601)
17. Palo Alto (State: Iowa Population: 3,958)
18. Poweshiek (State: Iowa Population: 11,912)
19. Des Moines (State: Iowa Population: 31,644)
20. Winneshiek (State: Iowa Population: 9,230)
21. Black Hawk (State: Iowa Population: 114,862)
22. Lucas (State: Iowa Population: 4,573)
23. Floyd (State: Iowa Population: 9,344)
24. Cedar (State: Iowa Population: 9,201)
25. Page (State: Iowa Population: 11,236)
26. Cerro Gordo (State: Iowa Population: 37,333)
27. Louisa (State: Iowa Population: 4,024)
28. Guthrie (State: Iowa Population: 4,555)
29. Bremer (State: Iowa Population: 14,011)
30. Tama (State: Iowa Population: 9,182)
31. Mahaska (State: Iowa Population: 13,303)
32. Emmet (State: Iowa Population: 6,656)
33. Mills (State: Iowa Population: 6,614)
34. O’Brien (State: Iowa Population: 9,124)
35. Ida (State: Iowa Population: 3,820)
36. Keokuk (State: Iowa Population: 3,234)
37. Sac (State: Iowa Population: 4,799)
38. Allamakee (State: Iowa Population: 7,416)
39. Pocahontas (State: Iowa Population: 3,446)
40. Worth (State: Iowa Population: 3,392)
41. Monona (State: Iowa Population: 4,507)
42. Ringgold (State: Iowa Population: 1,822)
43. Woodbury (State: Iowa Population: 90,949)
44. Muscatine (State: Iowa Population: 28,858)
45. Chickasaw (State: Iowa Population: 5,310)
46. Wapello (State: Iowa Population: 24,998)