Counties in Illinois that I have Visited

There are 102 Counties in Illinois – “The Land of Lincoln“

Also be sure to see my United States County Counting Page for the rest of the states.

I have visited 58 Counties = 56.9% of Counties in Illinois

Counties visited are colored-in; counties still needing to be visited are blank.  Map created using Mob Rule.

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Twelve Mile Circle Articles Featuring Places in Illinois

Markers designate the Illinois locations featured in Twelve Mile Circle articles.

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Counties in Illinois

Below are the 102 counties in Illinois. Although infrequent, counties sometimes do change so please let me know if any of this information is out of date and I will update it. Those counties that I have visited are highlighted in Red. Readers can also link to any articles manually in this section if the map isn’t working.

1. Adams
2. Alexander: Future City; Ohio/Mississippi River Confluence
3. Bond
4. Boone
5. Brown
6. Bureau: Captain Swift Covered Bridge; Red Covered Bridge
7. Calhoun
8. Carroll
9. Cass
10. Champaign
11. Christian
12. Clark
13. Clay
14. Clinton
15. Coles
16. Cook: Largest county population in Illinois (5,376,741 people in 2000 Census); Chicago Fire Academy; Goose Island Beer Company; Millrose Brewing Co.; O’Grady’s Brewery & Pub; Piece Brewery & Pizzeria; Rock Bottom Brewery; They Reversed the Chicago River; Hinsdale Oasis; Old Post Office Building; Rapid Transit in 1844; O’Hare Oasis; Woonerf; Skokie Eruv; Move Along, Nothing to See; Quad County Towns; California Tangential; Broadway & Sheridan; Connecting Through Midway; Midway Plaisance; Orchard Place Elementary; Wacker Drive
17. Crawford
18. Cumberland
19. De Kalb: The Resurrectionists
20. De Witt
21. Douglas
22. Du Page: Founders Hill Brewing Company; Glen Ellyn Brewing Co.; Taylor Brewing Company; 81 on 81; Woonerf; Cut the Corner
23. Edgar
24. Edwards
25. Effingham: Shortline
26. Fayette
27. Ford
28. Franklin
29. Fulton: Plank Roads; Beer Cemetery
30. Gallatin
31. Greene
32. Grundy
33. Hamilton
34. Hancock
35. Hardin
36. Henderson
37. Henry
38. Iroquois
39. Jackson
40. Jasper
41. Jefferson: The Other Mount Vernon
42. Jersey
43. Jo Daviess: The Point of Beginning
44. Johnson
45. Kane: America’s Brewing Company; The Resurrectionists; Condensed Texas; Quad County Towns
46. Kankakee
47. Kendall
48. Knox
49. La Salle: French Canyon
50. Lake: Quad County Towns
51. Lawrence
52. Lee
53. Livingston
54. Logan
55. Macon
56. Macoupin
57. Madison: I Call Bull Shark
58. Marion
59. Marshall
60. Mason
61. Massac: Super City
62. McDonough
63. McHenry: Quad County Towns
64. McLean: Largest county in Illinois (1,184 square miles).
65. Menard
66. Mercer
67. Monroe
68. Montgomery
69. Morgan
70. Moultrie
71. Ogle
72. Peoria: Grandview Drive; Peoria Zoo
73. Perry
74. Piatt
75. Pike: Adjacent Counties, Same Name, Different States
76. Pope: Smallest county population in Illinois (4,413 people in 2000 Census).
77. Pulaski
78. Putnam: Smallest county in Illinois (160 square miles); Highway to Nowhere
79. Randolph: Last Place in the U.S.; The Forgotten River Capital (Kaskaskia)
80. Richland
81. Rock Island
82. Saline
83. Sangamon: Sugar Creek Covered Bridge
84. Schuyler
85. Scott
86. Shelby
87. St. Clair
88. Stark
89. Stephenson
90. Tazewell: Fondulac Park West
91. Union
92. Vermilion: Adjacent Counties, Same Name, Different States
93. Wabash
94. Warren
95. Washington
96. Wayne
97. White
98. Whiteside: De Immigrant Windmill; Mississippi Vista
99. Will: Plank Roads; Lockport; They Reversed the Chicago River; Revisiting the Chicago River; Gary Coleman on the Grassy Knoll
100. Williamson
101. Winnebago
102. Woodford

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Quick Facts About Illinois

• Location: East North Central United States. See map above.
• Size⁽¹⁾: 55,519 square miles. Illinois is the 24th largest state. The next larger state is Iowa and the next smaller state is Wisconsin.
• Population⁽²⁾: 12,699,000 people. Illinois is the 6th most populous state. The next more populous state is Pennsylvania and the next less populous state is Ohio.
• Population Density: 228.7 people per square mile. Illinois is the 12th most densely populated state. The next more densely populated state is California and the next less densely populated state is Hawaii.
• Bordering States: Illinois shares a border with 5 states: Wisconsin, Iowa, Missouri, Kentucky and Indiana.
• Admission to the Union: December 3, 1818. Illinois was the 21st state admitted to the Union, after Mississippi and before Alabama.
• Capital: Springfield.
• Highest Point: 1,235 feet at Charles Mound. See SummitPost’s Charles Mound page.
• Lowest Point: 279 feet at the Mississippi River in Alexander County.
• Government website: Illinois.gov – The Official Website for the State of Illinois.
• Official Tourism website: Enjoy Illinois.
• Still not enough? See Wikipedia’s Illinois page.

Sources:

(1) Wikipedia: List of U.S. states and territories by area. Land area only.
(2) Wikipedia: List of states and territories of the United States by population. Estimated population on July 1, 2019.