Alphabetical List of All Counties in Illinois

There are a total of 102 counties in the state of Illinois.

Unordered List of Counties in Illinois in Alphabetical Order

• Adams County, IL
• Alexander County, IL
• Bond County, IL
• Boone County, IL
• Brown County, IL
• Bureau County, IL
• Calhoun County, IL
• Carroll County, IL
• Cass County, IL
• Champaign County, IL
• Christian County, IL
• Clark County, IL
• Clay County, IL
• Clinton County, IL
• Coles County, IL
• Cook County, IL
• Crawford County, IL
• Cumberland County, IL
• DeKalb County, IL
• DeWitt County, IL
• Douglas County, IL
• DuPage County, IL
• Edgar County, IL
• Edwards County, IL
• Effingham County, IL
• Fayette County, IL
• Ford County, IL
• Franklin County, IL
• Fulton County, IL
• Gallatin County, IL
• Greene County, IL
• Grundy County, IL
• Hamilton County, IL
• Hancock County, IL
• Hardin County, IL
• Henderson County, IL
• Henry County, IL
• Iroquois County, IL
• Jackson County, IL
• Jasper County, IL
• Jefferson County, IL
• Jersey County, IL
• Jo Daviess County, IL
• Johnson County, IL
• Kane County, IL
• Kankakee County, IL
• Kendall County, IL
• Knox County, IL
• LaSalle County, IL
• Lake County, IL
• Lawrence County, IL
• Lee County, IL
• Livingston County, IL
• Logan County, IL
• Macon County, IL
• Macoupin County, IL
• Madison County, IL
• Marion County, IL
• Marshall County, IL
• Mason County, IL
• Massac County, IL
• McDonough County, IL
• McHenry County, IL
• McLean County, IL
• Menard County, IL
• Mercer County, IL
• Monroe County, IL
• Montgomery County, IL
• Morgan County, IL
• Moultrie County, IL
• Ogle County, IL
• Peoria County, IL
• Perry County, IL
• Piatt County, IL
• Pike County, IL
• Pope County, IL
• Pulaski County, IL
• Putnam County, IL
• Randolph County, IL
• Richland County, IL
• Rock Island County, IL
• Saint Clair County, IL
• Saline County, IL
• Sangamon County, IL
• Schuyler County, IL
• Scott County, IL
• Shelby County, IL
• Stark County, IL
• Stephenson County, IL
• Tazewell County, IL
• Union County, IL
• Vermilion County, IL
• Wabash County, IL
• Warren County, IL
• Washington County, IL
• Wayne County, IL
• White County, IL
• Whiteside County, IL
• Will County, IL
• Williamson County, IL
• Winnebago County, IL
• Woodford County, IL

Ordered List of Counties in Illinois in Alphabetical Order

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

List of Counties in Illinois in Alphabetical Order with Comma Separated

Adams County, IL, Alexander County, IL, Bond County, IL, Boone County, IL, Brown County, IL, Bureau County, IL, Calhoun County, IL, Carroll County, IL, Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Coles County, IL, Cook County, IL, Crawford County, IL, Cumberland County, IL, DeKalb County, IL, DeWitt County, IL, Douglas County, IL, DuPage County, IL, Edgar County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Ford County, IL, Franklin County, IL, Fulton County, IL, Gallatin County, IL, Greene County, IL, Grundy County, IL, Hamilton County, IL, Hancock County, IL, Hardin County, IL, Henderson County, IL, Henry County, IL, Iroquois County, IL, Jackson County, IL, Jasper County, IL, Jefferson County, IL, Jersey County, IL, Jo Daviess County, IL, Johnson County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Knox County, IL, LaSalle County, IL, Lake County, IL, Lawrence County, IL, Lee County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Marshall County, IL, Mason County, IL, Massac County, IL, McDonough County, IL, McHenry County, IL, McLean County, IL, Menard County, IL, Mercer County, IL, Monroe County, IL, Montgomery County, IL, Morgan County, IL, Moultrie County, IL, Ogle County, IL, Peoria County, IL, Perry County, IL, Piatt County, IL, Pike County, IL, Pope County, IL, Pulaski County, IL, Putnam County, IL, Randolph County, IL, Richland County, IL, Rock Island County, IL, Saint Clair County, IL, Saline County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Stark County, IL, Stephenson County, IL, Tazewell County, IL, Union County, IL, Vermilion County, IL, Wabash County, IL, Warren County, IL, Washington County, IL, Wayne County, IL, White County, IL, Whiteside County, IL, Will County, IL, Williamson County, IL, Winnebago County, IL,Woodford County, IL

List of Counties in Illinois in Alphabetical Order with JSON Format

[ “Adams County, IL”, “Alexander County, IL”, “Bond County, IL”, “Boone County, IL”, “Brown County, IL”, “Bureau County, IL”, “Calhoun County, IL”, “Carroll County, IL”, “Cass County, IL”, “Champaign County, IL”, “Christian County, IL”, “Clark County, IL”, “Clay County, IL”, “Clinton County, IL”, “Coles County, IL”, “Cook County, IL”, “Crawford County, IL”, “Cumberland County, IL”, “DeKalb County, IL”, “DeWitt County, IL”, “Douglas County, IL”, “DuPage County, IL”, “Edgar County, IL”, “Edwards County, IL”, “Effingham County, IL”, “Fayette County, IL”, “Ford County, IL”, “Franklin County, IL”, “Fulton County, IL”, “Gallatin County, IL”, “Greene County, IL”, “Grundy County, IL”, “Hamilton County, IL”, “Hancock County, IL”, “Hardin County, IL”, “Henderson County, IL”, “Henry County, IL”, “Iroquois County, IL”, “Jackson County, IL”, “Jasper County, IL”, “Jefferson County, IL”, “Jersey County, IL”, “Jo Daviess County, IL”, “Johnson County, IL”, “Kane County, IL”, “Kankakee County, IL”, “Kendall County, IL”, “Knox County, IL”, “LaSalle County, IL”, “Lake County, IL”, “Lawrence County, IL”, “Lee County, IL”, “Livingston County, IL”, “Logan County, IL”, “Macon County, IL”, “Macoupin County, IL”, “Madison County, IL”, “Marion County, IL”, “Marshall County, IL”, “Mason County, IL”, “Massac County, IL”, “McDonough County, IL”, “McHenry County, IL”, “McLean County, IL”, “Menard County, IL”, “Mercer County, IL”, “Monroe County, IL”, “Montgomery County, IL”, “Morgan County, IL”, “Moultrie County, IL”, “Ogle County, IL”, “Peoria County, IL”, “Perry County, IL”, “Piatt County, IL”, “Pike County, IL”, “Pope County, IL”, “Pulaski County, IL”, “Putnam County, IL”, “Randolph County, IL”, “Richland County, IL”, “Rock Island County, IL”, “Saint Clair County, IL”, “Saline County, IL”, “Sangamon County, IL”, “Schuyler County, IL”, “Scott County, IL”, “Shelby County, IL”, “Stark County, IL”, “Stephenson County, IL”, “Tazewell County, IL”, “Union County, IL”, “Vermilion County, IL”, “Wabash County, IL”, “Warren County, IL”, “Washington County, IL”, “Wayne County, IL”, “White County, IL”, “Whiteside County, IL”, “Will County, IL”, “Williamson County, IL”, “Winnebago County, IL”, “Woodford County, IL” ]

Unordered List of Counties in Illinois in Reverse Alphabetical Order

• Winnebago County, IL,
• Woodford County, IL
• Williamson County, IL
• Will County, IL
• Whiteside County, IL
• White County, IL
• Wayne County, IL
• Washington County, IL
• Warren County, IL
• Wabash County, IL
• Vermilion County, IL
• Union County, IL
• Tazewell County, IL
• Stephenson County, IL
• Stark County, IL
• Shelby County, IL
• Scott County, IL
• Schuyler County, IL
• Sangamon County, IL
• Saline County, IL
• Saint Clair County, IL
• Rock Island County, IL
• Richland County, IL
• Randolph County, IL
• Putnam County, IL
• Pulaski County, IL
• Pope County, IL
• Pike County, IL
• Piatt County, IL
• Perry County, IL
• Peoria County, IL
• Ogle County, IL
• Moultrie County, IL
• Morgan County, IL
• Montgomery County, IL
• Monroe County, IL
• Mercer County, IL
• Menard County, IL
• McLean County, IL
• McHenry County, IL
• McDonough County, IL
• Massac County, IL
• Mason County, IL
• Marshall County, IL
• Marion County, IL
• Madison County, IL
• Macoupin County, IL
• Macon County, IL
• Logan County, IL
• Livingston County, IL
• Lee County, IL
• Lawrence County, IL
• Lake County, IL
• LaSalle County, IL
• Knox County, IL
• Kendall County, IL
• Kankakee County, IL
• Kane County, IL
• Johnson County, IL
• Jo Daviess County, IL
• Jersey County, IL
• Jefferson County, IL
• Jasper County, IL
• Jackson County, IL
• Iroquois County, IL
• Henry County, IL
• Henderson County, IL
• Hardin County, IL
• Hancock County, IL
• Hamilton County, IL
• Grundy County, IL
• Greene County, IL
• Gallatin County, IL
• Fulton County, IL
• Franklin County, IL
• Ford County, IL
• Fayette County, IL
• Effingham County, IL
• Edwards County, IL
• Edgar County, IL
• DuPage County, IL
• Douglas County, IL
• DeWitt County, IL
• DeKalb County, IL
• Cumberland County, IL
• Crawford County, IL
• Cook County, IL
• Coles County, IL
• Clinton County, IL
• Clay County, IL
• Clark County, IL
• Christian County, IL
• Champaign County, IL
• Cass County, IL
• Carroll County, IL
• Calhoun County, IL
• Bureau County, IL
• Brown County, IL
• Boone County, IL
• Bond County, IL
• Alexander County, IL
• Adams County, IL

Ordered List of Counties in Illinois in Reverse Alphabetical Order

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