Place List: Illinois, sorted alphabetically (number of total localities in parentheses):
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1. Adams County, Illinois (2) 
2. Alexander County, Illinois (1)
3. Calhoun County, Illinois
4. Cass County, Illinois
5. Champaign County, Illinois (2)
6. Clinton County, Illinois
7. Coles County, Illinois
8. Cook County, Illinois (10)
9. Dade County, Illinois (1)
10. De Kalb County, Illinois (1)
11. DeWitt County, Illinois (2)
12. DuPage County, Illinois (3)
13. Edwards County, Illinois (5)
14. Fayette County, Illinois (1)
15. Grundy County, Illinois (2)
16. hancock county, Illinois (2)
17. Henderson County, Illinois (2)
18. Henry County, Illinois (1)
19. Illinois
20. Iroquois County, Illinois (1)
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21. Jackson County, Illinois (3)
22. Kane County, Illinois (7)
23. Kendall County, Illinois (1)
24. Knox County, Illinois (2)
25. Lake County, Illinois (2)
26. Lawrence county, Illinois (2)
27. Lee County, Illinois (5)
28. Logan County, Illinois (4)
29. Macon County, Illinois (5)
30. Macoupin County, Illinois (2)
31. Madison County, Illinois (2)
32. Marion County, Illinois (1)
33. Mason County, Illinois (2)
34. McHenry County, Illinois (2)
35. Menard County, Illinois (3)
36. Mercer County, Illinois (1)
37. Morgan County, Illinois (1)
38. Moultrie County, Illinois (1)
39. Ogle County, Illinois (11)
40. Peoria County, Illinois (1)
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41. Pike County, Illinois (1)
42. Pope County, Illinois
43. Pulaski County, Illinois (1)
44. Richland County, Illinois (2)
45. Rock Island County, Illinois (2)
46. Sangamon County, Illinois (7)
47. St. Clair County, Illinois (3)
48. Tazewell County, Illinois (4)
49. Union County, Illinois (1)
50. Vermilion County, Illinois (5)
51. Vermillion County, Illinois (1)
52. Wabash County, Illinois (1)
53. Warren County, Illinois (7)
54. Wayne County, Illinois (1)
55. White County, Illinois (20)
56. Whiteside County, Illinois (2)
57. Will County, Illinois (3)
58. Williamson County, Illinois (2)
59. Winnebago County, Illinois (2)
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