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    Jan 1976    
 
 
    Oct 2020
Persons
Name Oct 2020 Sep 2020 Oct 2019
Illinois
5,848,614 5,699,840 6,218,595
Adams County
31,760 30,377 31,196
Alexander County
1,868 1,770 1,943
Bond County
7,712 7,226 7,653
Boone County
24,255 23,240 25,009
Brown County
3,042 2,832 2,981
Bureau County
17,134 16,194 16,760
Calhoun County
2,273 2,131 2,260
Carroll County
7,521 7,038 7,212
Cass County
6,120 5,758 5,935
Champaign County
111,347 104,697 108,902
Christian County
13,821 13,092 13,807
Clark County
7,517 6,988 7,439
Clay County
6,146 5,709 6,304
Clinton County
20,244 19,099 20,173
Coles County
23,798 22,693 23,480
Cook County
2,258,612 2,242,431 2,497,641
Crawford County
8,424 7,956 8,440
Cumberland County
6,120 5,760 6,029
De Witt County
7,296 6,816 7,320
DeKalb County
51,928 49,558 53,693
Douglas County
10,288 9,698 10,066
DuPage County
446,029 442,853 493,220
Edgar County
8,698 8,052 8,682
Edwards County
2,656 2,470 2,598
Effingham County
18,982 18,145 18,811
Fayette County
9,859 9,277 9,598
Ford County
6,744 6,148 6,504
Franklin County
15,641 14,949 15,689
Fulton County
14,507 13,762 14,599
Gallatin County
2,191 2,041 2,252
Greene County
6,108 5,675 5,886
Grundy County
22,081 21,838 24,357
Hamilton County
4,400 4,086 4,357
Hancock County
8,546 7,869 8,280
Hardin County
1,299 1,233 1,258
Henderson County
3,648 3,404 3,503
Henry County
24,247 22,782 24,329
Iroquois County
14,691 13,559 14,172
Jackson County
27,711 26,185 27,389
Jasper County
4,959 4,546 4,540
Jefferson County
16,848 15,981 16,812
Jersey County
10,672 10,121 10,670
Jo Daviess County
10,531 9,947 10,619
Johnson County
4,026 3,820 3,977
Kane County
255,176 244,622 264,581
Kankakee County
54,443 51,894 54,486
Kendall County
60,112 59,667 66,428
Knox County
20,630 19,878 20,806
Lake County
356,837 342,239 364,410
LaSalle County
52,125 49,732 52,495
Lawrence County
5,525 5,272 5,573
Lee County
17,362 16,431 17,334
Livingston County
16,609 15,605 16,346
Logan County
12,353 11,756 12,232
Macon County
45,255 43,413 46,368
Macoupin County
22,501 21,228 22,427
Madison County
130,498 124,548 130,848
Marion County
16,678 15,860 16,870
Marshall County
4,999 4,669 5,170
Mason County
6,197 5,826 6,140
Massac County
5,329 5,069 5,361
McDonough County
13,460 12,845 13,336
McHenry County
145,154 143,793 160,295
McLean County
85,440 81,103 86,494
Menard County
6,309 5,991 6,336
Mercer County
7,898 7,358 7,886
Monroe County
18,468 17,585 18,491
Montgomery County
11,060 10,519 11,262
Morgan County
16,314 15,527 16,072
Moultrie County
7,674 7,226 7,458
Ogle County
23,851 22,671 23,989
Peoria County
77,373 74,041 81,344
Perry County
8,155 7,667 8,004
Piatt County
8,926 8,266 8,669
Pike County
7,156 6,678 6,833
Pope County
1,673 1,552 1,619
Pulaski County
1,910 1,781 1,970
Putnam County
3,063 2,910 2,953
Randolph County
14,001 13,214 13,964
Richland County
7,007 6,642 7,027
Rock Island County
68,199 64,889 68,927
Saline County
9,347 8,816 9,314
Sangamon County
96,869 92,903 97,798
Schuyler County
3,227 3,065 3,190
Scott County
2,595 2,428 2,455
Shelby County
10,660 9,954 10,435
St. Clair County
122,315 116,834 122,710
Stark County
2,392 2,205 2,450
Stephenson County
21,631 20,455 21,069
Tazewell County
58,801 56,035 61,642
Union County
7,364 6,972 7,254
Vermilion County
32,454 30,599 31,909
Wabash County
5,870 5,552 5,772
Warren County
8,455 7,933 8,272
Washington County
9,219 8,689 9,936
Wayne County
7,125 6,616 6,931
White County
6,493 6,118 6,487
Whiteside County
27,445 26,039 27,833
Will County
311,010 308,906 343,847
Williamson County
31,487 29,837 31,160
Winnebago County
128,334 123,510 132,695
Woodford County
17,503 16,597 18,285
   

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