Illinois, United States
Facts and figures on Illinois at a glance
Region name: Illinois (Illinois)Status: Primary administrative region
Population: 12,772,888 people
Country: United States
Continent: North America
The regional headquarters of Illinois (Illinois) is located in the regional capital Springfield (Springfield) with a population of 116,565 people.
The distance as the crow flies from Illinois's regional capital Springfield to United States's capital Washington (Washington) is approximately 1,090 km (678 mi).
Region | Population | Regional capital | Population |
Illinois Illinois | 12,772,888 people | Springfield Springfield | 116,565 people |
Compare with other regions in United States.
Map of Illinois
Information on Illinois
Region name | Regional capital | Subregions | Country | Continent |
Illinois Illinois | Springfield Springfield | 102 | United States | North America |
Time in Illinois
Current time | Summer time (DST) | Standard time | Current timezone offset | Timezone |
Thu, 28 Mar 2024 - 7:41am (07:41h) | In effect (+1 hour) | Thu, 28 Mar 2024 - 6:41am (06:41h) | GMT UTC -5.0 | America/Chicago |
Geographic coordinates of Illinois
Position | Latitude (width) | Longitude (length) |
Show on map | 40°00'01.2"N (40.0003200°) | 89°15'01.3"W (-89.2503700°) |
Subregions in Illinois
There are 102 administrative subregions in Illinois.Region | No | Population | Regional capital | Capital population |
Adams County Adams County | 1. | 65,737 | Quincy Quincy | 40,780 |
Alexander County Alexander County | 2. | 8,238 | Cairo Cairo | 1,733 |
Bond County Bond County | 3. | 16,725 | Greenville Greenville | 6,666 |
Boone County Boone County | 4. | 53,544 | Belvidere Belvidere | 25,132 |
Brown County Brown County | 5. | 6,578 | Mount Sterling Mount Sterling | 1,968 |
Bureau County Bureau County | 6. | 34,978 | Princeton Princeton | 7,594 |
Calhoun County Calhoun County | 7. | 5,089 | Hardin Hardin | 934 |
Carroll County Carroll County | 8. | 14,305 | Mount Carroll Mount Carroll | 1,620 |
Cass County Cass County | 9. | 13,642 | Virginia Virginia | 1,516 |
Champaign County Champaign County | 10. | 201,081 | Urbana Urbana | 42,311 |
Christian County Christian County | 11. | 34,800 | Taylorville Taylorville | 10,873 |
Clark County Clark County | 12. | 15,441 | Marshall Marshall | 3,880 |
Clay County Clay County | 13. | 13,184 | Louisville Louisville | 1,116 |
Clinton County Clinton County | 14. | 37,762 | Carlyle Carlyle | 3,224 |
Coles County Coles County | 15. | 46,863 | Charleston Charleston | 21,196 |
Cook County Cook County | 16. | 5,194,675 | Chicago Chicago | 2,696,555 |
Crawford County Crawford County | 17. | 18,807 | Robinson Robinson | 7,631 |
Cumberland County Cumberland County | 18. | 11,048 | Toledo Toledo | 1,221 |
De Witt County De Witt County | 19. | 16,561 | Clinton Clinton | 7,048 |
DeKalb County DeKalb County | 20. | 105,160 | Sycamore Sycamore | 17,712 |
Douglas County Douglas County | 21. | 19,740 | Tuscola Tuscola | 4,443 |
DuPage County DuPage County | 22. | 916,924 | Wheaton Wheaton | 53,715 |
Edgar County Edgar County | 23. | 16,866 | Paris Paris | 8,432 |
Edwards County Edwards County | 24. | 6,721 | Albion Albion | 1,932 |
Effingham County Effingham County | 25. | 34,242 | Effingham Effingham | 12,604 |
Fayette County Fayette County | 26. | 22,140 | Vandalia Vandalia | 7,112 |
Ford County Ford County | 27. | 13,264 | Paxton Paxton | 4,357 |
Franklin County Franklin County | 28. | 39,561 | Benton Benton | 7,041 |
Fulton County Fulton County | 29. | 37,069 | Lewistown Lewistown | 2,261 |
Gallatin County Gallatin County | 30. | 5,058 | Shawneetown Shawneetown | 1,164 |
Greene County Greene County | 31. | 13,044 | Carrollton Carrollton | 2,429 |
Grundy County Grundy County | 32. | 50,063 | Morris Morris | 14,363 |
Hamilton County Hamilton County | 33. | 8,457 | McLeansboro McLeansboro | 2,792 |
Hancock County Hancock County | 34. | 19,104 | Carthage Carthage | 2,545 |
Hardin County Hardin County | 35. | 3,649 | Elizabethtown Elizabethtown | 287 |
Henderson County Henderson County | 36. | 7,331 | Oquawka Oquawka | 1,314 |
Henry County Henry County | 37. | 50,486 | Cambridge Cambridge | 2,113 |
Iroquois County Iroquois County | 38. | 27,604 | Watseka Watseka | 5,070 |
Jackson County Jackson County | 39. | 60,218 | Murphysboro Murphysboro | 7,768 |
Jasper County Jasper County | 40. | 9,698 | Newton Newton | 2,814 |
Jefferson County Jefferson County | 41. | 38,827 | Mount Vernon Mount Vernon | 15,087 |
Jersey County Jersey County | 42. | 21,512 | Jerseyville Jerseyville | 8,469 |
Jo Daviess County Jo Daviess County | 43. | 22,678 | Galena Galena | 3,299 |
Johnson County Johnson County | 44. | 12,582 | Vienna Vienna | 1,647 |
Kane County Kane County | 45. | 532,403 | Geneva Geneva | 21,806 |
Kankakee County Kankakee County | 46. | 113,449 | Kankakee Kankakee | 26,676 |
Kendall County Kendall County | 47. | 114,736 | Yorkville Yorkville | 18,451 |
Knox County Knox County | 48. | 52,919 | Galesburg Galesburg | 31,273 |
Lake County Lake County | 49. | 714,342 | Waukegan Waukegan | 88,475 |
LaSalle County LaSalle County | 50. | 113,924 | Ottawa Ottawa | 18,342 |
Lawrence County Lawrence County | 51. | 16,833 | Lawrenceville Lawrenceville | 4,427 |
Lee County Lee County | 52. | 36,031 | Dixon Dixon | 15,319 |
Livingston County Livingston County | 53. | 38,950 | Pontiac Pontiac | 11,794 |
Logan County Logan County | 54. | 30,305 | Lincoln Lincoln | 13,966 |
Macon County Macon County | 55. | 110,768 | Decatur Decatur | 73,254 |
Macoupin County Macoupin County | 56. | 45,313 | Carlinville Carlinville | 5,665 |
Madison County Madison County | 57. | 269,282 | Edwardsville Edwardsville | 24,992 |
Marion County Marion County | 58. | 39,437 | Salem Salem | 7,287 |
Marshall County Marshall County | 59. | 12,640 | Lacon Lacon | 1,826 |
Mason County Mason County | 60. | 13,565 | Havana Havana | 3,076 |
Massac County Massac County | 61. | 15,429 | Metropolis Metropolis | 6,334 |
McDonough County McDonough County | 62. | 27,238 | Macomb Macomb | 18,547 |
McHenry County McHenry County | 63. | 308,760 | Woodstock Woodstock | 25,189 |
McLean County McLean County | 64. | 169,572 | Bloomington Bloomington | 78,292 |
Menard County Menard County | 65. | 12,705 | Petersburg Petersburg | 2,190 |
Mercer County Mercer County | 66. | 16,434 | Aledo Aledo | 3,564 |
Monroe County Monroe County | 67. | 32,957 | Waterloo Waterloo | 10,236 |
Montgomery County Montgomery County | 68. | 30,104 | Hillsboro Hillsboro | 5,726 |
Morgan County Morgan County | 69. | 35,547 | Jacksonville Jacksonville | 19,103 |
Moultrie County Moultrie County | 70. | 14,526 | Sullivan Sullivan | 4,494 |
Ogle County Ogle County | 71. | 53,497 | Oregon Oregon | 3,580 |
Peoria County Peoria County | 72. | 179,179 | Peoria Peoria | 115,070 |
Perry County Perry County | 73. | 21,174 | Pinckneyville Pinckneyville | 5,385 |
Piatt County Piatt County | 74. | 16,673 | Monticello Monticello | 5,509 |
Pike County Pike County | 75. | 15,611 | Pittsfield Pittsfield | 4,485 |
Pope County Pope County | 76. | 4,212 | Golconda Golconda | 629 |
Pulaski County Pulaski County | 77. | 6,161 | Mound City Mound City | 544 |
Putnam County Putnam County | 78. | 6,006 | Hennepin Hennepin | 698 |
Randolph County Randolph County | 79. | 33,476 | Chester Chester | 8,588 |
Richland County Richland County | 80. | 15,763 | Olney Olney | 9,005 |
Rock Island County Rock Island County | 81. | 147,546 | Rock Island Rock Island | 38,620 |
Saint Clair County Saint Clair County | 82. | 257,400 | Belleville Belleville | 42,034 |
Saline County Saline County | 83. | 23,768 | Harrisburg Harrisburg | 8,891 |
Sangamon County Sangamon County | 84. | 194,672 | Springfield Springfield | 116,565 |
Schuyler County Schuyler County | 85. | 6,907 | Rushville Rushville | 2,972 |
Scott County Scott County | 86. | 5,355 | Winchester Winchester | 1,513 |
Shelby County Shelby County | 87. | 20,990 | Shelbyville Shelbyville | 4,599 |
Stark County Stark County | 88. | 5,427 | Toulon Toulon | 1,248 |
Stephenson County Stephenson County | 89. | 44,753 | Freeport Freeport | 24,476 |
Tazewell County Tazewell County | 90. | 131,803 | Pekin Pekin | 33,223 |
Union County Union County | 91. | 17,808 | Jonesboro Jonesboro | 1,768 |
Vermilion County Vermilion County | 92. | 81,625 | Danville Danville | 32,108 |
Wabash County Wabash County | 93. | 11,947 | Mount Carmel Mount Carmel | 7,027 |
Warren County Warren County | 94. | 17,707 | Monmouth Monmouth | 9,291 |
Washington County Washington County | 95. | 14,716 | Nashville Nashville | 3,132 |
Wayne County Wayne County | 96. | 16,760 | Fairfield Fairfield | 5,040 |
White County White County | 97. | 13,665 | Carmi Carmi | 5,119 |
Whiteside County Whiteside County | 98. | 55,626 | Morrison Morrison | 4,145 |
Will County Will County | 99. | 677,560 | Joliet Joliet | 147,861 |
Williamson County Williamson County | 100. | 66,357 | Marion Marion | 17,803 |
Winnebago County Winnebago County | 101. | 295,266 | Rockford Rockford | 148,278 |
Woodford County Woodford County | 102. | 38,463 | Eureka Eureka | 5,377 |