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List of Counties in Illinois

What are the Counties in Illinois?

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There are 102 counties in the state of Illinois. Here is a complete list of them all in alphabetical order.
  1. Adams
  2. Alexander
  3. Bond
  4. Boone
  5. Brown
  6. Bureau
  7. Calhoun
  8. Carroll
  9. Cass
  10. Champaign
  11. Christian
  12. Clark
  13. Clay
  14. Clinton
  15. Coles
  16. Cook
  17. Crawford
  18. Cumberland
  19. DeKalb
  20. De Witt
  21. Douglas
  22. DuPage
  23. Edgar
  24. Edwards
  25. Effingham
  26. Fayette
  27. Ford
  28. Franklin
  29. Fulton
  30. Gallatin
  31. Greene
  32. Grundy
  33. Hamilton
  34. Hancock
  35. Hardin
  36. Henderson
  37. Henry
  38. Iroquois
  39. Jackson
  40. Jasper
  41. Jefferson
  42. Jersey
  43. Jo Daviess
  44. Johnson
  45. Kane
  46. Kankakee
  47. Kendall
  48. Knox
  49. Lake
  50. La Salle
  51. Lawrence
  52. Lee
  53. Livingston
  54. Logan
  55. McDonough
  56. McHenry
  57. McLean
  58. Macon
  59. Macoupin
  60. Madison
  61. Marion
  62. Marshall
  63. Mason
  64. Massac
  65. Menard
  66. Mercer
  67. Monroe
  68. Montgomery
  69. Morgan
  70. Moultrie
  71. Ogle
  72. Peoria
  73. Perry
  74. Piatt
  75. Pike
  76. Pope
  77. Pulaski
  78. Putnam
  79. Randolph
  80. Richland
  81. Rock Island
  82. St. Clair
  83. Saline
  84. Sangamon
  85. Schuyler
  86. Scott
  87. Shelby
  88. Stark
  89. Stephenson
  90. Tazewell
  91. Union
  92. Vermilion
  93. Wabash
  94. Warren
  95. Washington
  96. Wayne
  97. White
  98. Whiteside
  99. Will
  100. Williamson
  101. Winnebago
  102. Woodford
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