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State Illinois

Illinois counties

102 counties, each with its places and ZIP codes.

Every recorded place in Illinois. Point to a light to see its county; the full list is alongside.
  1. Adams County17
  2. Alexander County7
  3. Bond County6
  4. Boone County5
  5. Brown County3
  6. Bureau County24
  7. Calhoun County8
  8. Carroll County7
  9. Cass County6
  10. Champaign County33
  11. Christian County14
  12. Clark County6
  13. Clay County6
  14. Clinton County13
  15. Coles County7
  16. Cook County214
  17. Crawford County8
  18. Cumberland County4
  19. Dekalb County14
  20. Dewitt County8
  21. Douglas County9
  22. Dupage County60
  23. Edgar County8
  24. Edwards County5
  25. Effingham County10
  26. Fayette County8
  27. Ford County9
  28. Franklin County16
  29. Fulton County20
  30. Gallatin County6
  31. Greene County10
  32. Grundy County9
  33. Hamilton County5
  34. Hancock County16
  35. Hardin County3
  36. Henderson County8
  37. Henry County16
  38. Iroquois County24
  39. Jackson County15
  40. Jasper County7
  41. Jefferson County12
  42. Jersey County7
  43. Jo Daviess County9
  44. Johnson County10
  45. Kane County33
  46. Kankakee County15
  47. Kendall County8
  48. Knox County17
  49. La Salle County24
  50. Lake County33
  51. Lawrence County4
  52. Lee County14
  53. Livingston County17
  54. Logan County14
  55. Macon County18
  56. Macoupin County20
  57. Madison County28
  58. Marion County11
  59. Marshall County9
  60. Mason County9
  61. Massac County3
  62. Mcdonough County11
  63. Mchenry County19
  64. Mclean County32
  65. Menard County6
  66. Mercer County12
  67. Monroe County7
  68. Montgomery County17
  69. Morgan County11
  70. Moultrie County5
  71. Ogle County16
  72. Peoria County45
  73. Perry County5
  74. Piatt County10
  75. Pike County15
  76. Pope County3
  77. Pulaski County9
  78. Putnam County7
  79. Randolph County15
  80. Richland County6
  81. Rock Island County21
  82. Saint Clair County30
  83. Saline County7
  84. Sangamon County54
  85. Schuyler County6
  86. Scott County4
  87. Shelby County12
  88. Stark County6
  89. Stephenson County14
  90. Tazewell County18
  91. Union County7
  92. Vermilion County24
  93. Wabash County4
  94. Warren County8
  95. Washington County10
  96. Wayne County11
  97. White County10
  98. Whiteside County12
  99. Will County34
  100. Williamson County11
  101. Winnebago County28
  102. Woodford County10

Type at least two letters, or a ZIP code.