General info

Part of:
United States of America
Entity:
Illinois
Capital:
Springfield
Population:
12,831,970 (2006-07-01)
Area:
149,998 sq.km.
ISO code:
us-il
Region:
Northern America

United States of America : Illinois

Administrative units

administrative units capital area (sq.km.) population
2000-04-01
census		 population
2006-07-01
estimate
source: Bureau of the Census, USA.
note: population figures are from the census of 2000 and the estimates are derived from the this census.
Adams County Quincy 2,256.60 68,277 67,221
Alexander County Cairo 654.08 9,590 8,635
Bond County Greenville 991.11 17,633 18,055
Boone County Belvidere 730.22 41,786 52,617
Brown County Mount Sterling 795.75 6,950 6,701
Bureau County Princeton 2,261.84 35,503 35,257
Calhoun County Hardin 734.75 5,084 5,177
Carroll County Mount Carroll 1,206.34 16,674 16,035
Cass County Virginia 993.86 13,695 13,766
Champaign County Urbana 2,583.59 179,669 185,682
Christian County Taylorville 1,853.68 35,372 35,063
Clark County Marshall 1,307.63 17,008 16,987
Clay County Louisville 1,216.88 14,560 14,028
Clinton County Carlyle 1,304.01 35,535 36,633
Coles County Charleston 1,321.08 53,196 50,949
Cook County Chicago 4,234.73 5,376,741 5,288,655
Crawford County Robinson 1,154.46 20,452 19,825
Cumberland County Toledo 898.73 11,253 11,000
De Witt County Clinton 1,644.56 16,798 16,768
DeKalb County Sycamore 1,049.33 88,969 100,139
Douglas County Tuscola 1,081.11 19,922 19,791
DuPage County Wheaton 871.66 904,161 932,670
Edgar County Paris 1,616.62 19,704 19,183
Edwards County Albion 576.69 6,971 6,617
Effingham County Effingham 1,242.94 34,264 34,429
Fayette County Vandalia 1,878.67 21,802 21,774
Ford County Paxton 1,259.82 14,241 14,211
Franklin County Benton 1,117.32 39,018 39,862
Fulton County Lewistown 2,285.90 38,250 37,378
Gallatin County Shawneetown 850.58 6,445 6,159
Greene County Carrollton 1,415.01 14,761 14,255
Grundy County Morris 1,114.78 37,535 45,828
Hamilton County McLeansboro 1,128.82 8,621 8,335
Hancock County Carthage 2,109.65 20,121 19,091
Hardin County Elizabethtown 470.16 4,800 4,585
Henderson County Oquawka 1,023.36 8,213 7,819
Henry County Cambridge 2,138.29 51,020 50,339
Iroquois County Watseka 2,895.68 31,334 30,598
Jackson County Murphysboro 1,560.55 59,612 57,778
Jasper County Newton 1,289.87 10,117 9,880
Jefferson County Mount Vernon 1,511.80 40,045 40,523
Jersey County Jerseyville 976.48 21,668 22,628
Jo Daviess County Galena 1,602.48 22,289 22,594
Johnson County Vienna 903.60 12,878 13,360
Kane County Geneva 1,357.36 404,119 493,735
Kankakee County Kankakee 1,764.92 103,833 109,090
Kendall County Yorkville 835.71 54,544 88,158
Knox County Galesburg 1,864.01 55,836 52,906
Lake County Ottawa 2,973.41 644,356 713,076
LaSalle County Waukegan 3,542.97 111,509 113,065
Lawrence County Lawrenceville 968.50 15,452 15,887
Lee County Dixon 1,888.85 36,062 35,701
Livingston County Pontiac 2,707.65 39,678 38,658
Logan County Lincoln 1,603.23 31,183 30,302
Macon County Decatur 1,491.08 114,706 109,309
Macoupin County Carlinville 1,032.16 49,019 48,841
Madison County Edwardsville 1,459.12 258,941 265,303
Marion County Salem 627.09 41,691 40,088
Marshall County Lacon 1,528.14 13,180 13,003
Mason County Havana 1,582.82 16,038 15,503
Massac County Metropolis 3,072.48 15,161 15,135
McDonough County Macomb 1,516.13 32,913 31,823
McHenry County Woodstock 2,247.10 260,077 312,373
McLean County Bloomington 1,917.50 150,433 161,202
Menard County Petersburg 816.80 12,486 12,588
Mercer County Aledo 1,473.39 16,957 16,786
Monroe County Waterloo 1,030.06 27,619 31,876
Montgomery County Hillsboro 1,838.24 30,652 30,367
Morgan County Jacksonville 1,482.15 36,616 35,666
Moultrie County Sullivan 892.17 14,287 14,383
Ogle County Oregon 1,976.86 51,032 54,826
Peoria County Peoria 1,634.00 183,433 182,495
Perry County Pinckneyville 1,157.23 23,094 22,865
Piatt County Monticello 1,140.45 16,365 16,688
Pike County Pittsfield 2,198.56 17,384 16,840
Pope County Golconda 970.31 4,413 4,184
Pulaski County Mound City 526.62 7,348 6,726
Putnam County Hennepin 446.10 6,086 6,005
Randolph County Chester 1,546.90 33,893 33,028
Richland County Olney 937.60 16,149 15,724
Rock Island County Rock Island 1,168.50 149,374 147,545
Saline County Harrisburg 2,271.45 26,733 26,062
Sangamon County Springfield 1,143.19 188,951 193,524
Schuyler County Rushville 654.67 7,189 6,984
Scott County Winchester 1,989.24 5,537 5,377
Shelby County Shelbyville 1,745.52 22,893 22,172
St. Clair County Belleville 1,002.27 256,082 260,919
Stark County Toulon 746.46 6,332 6,233
Stephenson County Freeport 1,462.62 48,979 47,388
Tazewell County Pekin 1,703.93 128,485 130,559
Union County Jonesboro 1,093.31 18,293 18,261
Vermilion County Danville 2,336.53 83,919 81,941
Wabash County Mount Carmel 589.90 12,937 12,457
Warren County Monmouth 1,406.80 18,735 17,480
Washington County Nashville 1,461.06 15,148 14,927
Wayne County Fairfield 1,853.29 17,151 16,602
White County Carmi 1,299.40 15,371 15,078
Whiteside County Morrison 1,805.25 60,653 59,880
Will County Joliet 2,199.91 502,266 668,217
Williamson County Marion 1,150.94 61,296 63,740
Winnebago County Rockford 1,344.90 278,418 295,635
Woodford County Eureka 1,405.69 35,469 37,904
total   149,997.56 12,419,293 12,831,970