Illinois County Map - Illinois Map
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Satellite Map of Illinois Counties - Landsat Geocover 2000 Data - NASA
County
County Population
Housing
Units
Area
Adams
County IL
68277
29386
856.634133
Alexander
County IL
9590
4591
236.381740
Bond
County IL
17633
6690
380.202665
Boone
County IL
41786
15414
281.265189
Brown
County IL
6950
2456
305.648958
Bureau
County IL
35503
15331
868.564029
Calhoun
County IL
5084
2681
253.815530
Carroll
County IL
16674
7945
444.212086
Cass
County IL
13695
5784
375.900754
Champaign
County IL
179669
75280
996.805938
Christian
County IL
35372
14992
709.061090
Clark
County IL
17008
7816
501.503456
Clay
County IL
14560
6394
469.248887
Clinton
County IL
35535
13805
474.232721
Coles
County IL
53196
22768
508.285571
Cook
County IL
5376741
2096121
945.680365
Crawford
County IL
20452
8785
443.534646
Cumberland
County IL
11253
4876
346.016683
DeKalb
County IL
88969
32988
634.156450
De
Witt County IL
16798
7282
397.575757
Douglas
County IL
19922
8005
416.862108
DuPage
County IL
904161
335621
333.605502
Edgar
County IL
19704
8611
623.554761
Edwards
County IL
6971
3199
222.348240
Effingham
County IL
34264
13959
478.699578
Fayette
County IL
21802
9053
716.487135
Ford
County IL
14241
6060
485.899192
Franklin
County IL
39018
18105
412.075010
Fulton
County IL
38250
16240
865.623998
Gallatin
County IL
6445
3071
323.727645
Greene
County IL
14761
6332
543.091231
Grundy
County IL
37535
15040
419.902675
Hamilton
County IL
8621
3983
435.164039
Hancock
County IL
20121
8909
794.621885
Hardin
County IL
4800
2494
178.333341
Henderson
County IL
8213
4126
378.811971
Henry
County IL
51020
21270
823.212439
Iroquois
County IL
31334
13362
1116.427566
Jackson
County IL
59612
26844
588.124571
Jasper
County IL
10117
4294
494.403808
Jefferson
County IL
40045
16990
570.955719
Jersey
County IL
21668
8918
369.157434
Jo
Daviess County IL
22289
12003
601.080121
Johnson
County IL
12878
5046
344.627145
Kane
County IL
404119
138998
520.435809
Kankakee
County IL
103833
40610
676.749124
Kendall
County IL
54544
19519
320.578618
Knox
County IL
55836
23717
716.280750
Lake
County IL
644356
225919
447.563704
La
Salle County IL
111509
46438
1134.916336
Lawrence
County IL
15452
7014
371.983671
Lee
County IL
36062
14310
725.363845
Livingston
County IL
39678
15297
1043.759810
Logan
County IL
31183
11872
618.139601
McDonough
County IL
32913
13289
589.270220
McHenry
County IL
260077
92908
603.508137
McLean
County IL
150433
59972
1183.527443
Macon
County IL
114706
50241
580.522695
Macoupin
County IL
49019
21097
863.573999
Madison
County IL
258941
108942
725.018183
Marion
County IL
41691
18022
572.263846
Marshall
County IL
13180
5914
386.062142
Mason
County IL
16038
7033
538.942504
Massac
County IL
15161
6951
239.053598
Menard
County IL
12486
5285
314.247310
Mercer
County IL
16957
7109
561.024464
Monroe
County IL
27619
10749
388.291968
Montgomery
County IL
30652
12525
703.795231
Morgan
County IL
36616
15291
568.757345
Moultrie
County IL
14287
5743
335.596336
Ogle
County IL
51032
20420
758.833138
Peoria
County IL
183433
78204
619.522444
Perry
County IL
23094
9457
440.961050
Piatt
County IL
16365
6798
440.021826
Pike
County IL
17384
8011
830.298891
Pope
County IL
4413
2351
370.863411
Pulaski
County IL
7348
3353
200.785857
Putnam
County IL
6086
2888
159.795597
Randolph
County IL
33893
13328
578.416056
Richland
County IL
16149
7468
360.142059
Rock
Island County IL
149374
64489
426.751273
St.
Clair County IL
256082
104446
663.807610
Saline
County IL
26733
12360
383.309486
Sangamon
County IL
188951
85459
868.182194
Schuyler
County IL
7189
3304
437.313834
Scott
County IL
5537
2464
250.915907
Shelby
County IL
22893
10060
758.510902
Stark
County IL
6332
2725
287.937834
Stephenson
County IL
48979
21713
564.184232
Tazewell
County IL
128485
52973
648.860160
Union
County IL
18293
7894
416.160883
Vermilion
County IL
83919
36349
899.080050
Wabash
County IL
12937
5758
223.470775
Warren
County IL
18735
7787
542.520783
Washington
County IL
15148
6385
562.607709
Wayne
County IL
17151
7950
713.897517
White
County IL
15371
7393
494.870413
Whiteside
County IL
60653
25025
684.770119
Will
County IL
502266
175524
836.940601
Williamson
County IL
61296
27703
423.413908
Winnebago
County IL
278418
114404
513.736898
Woodford
County IL
35469
13487
527.950273
