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    1976    
 
 
    2020
Persons
Name 2020 Preceding
Period
Year Ago
from Period
Illinois
5,657,532 6,188,686 6,188,686
Adams County
29,287 31,255 31,255
Alexander County
1,730 1,829 1,829
Bond County
6,972 7,501 7,501
Boone County
22,720 24,995 24,995
Brown County
2,881 2,940 2,940
Bureau County
15,124 16,466 16,466
Calhoun County
2,059 2,214 2,214
Carroll County
6,844 7,105 7,105
Cass County
5,426 5,848 5,848
Champaign County
101,732 105,954 105,954
Christian County
12,497 13,857 13,857
Clark County
6,752 7,319 7,319
Clay County
5,646 6,200 6,200
Clinton County
18,642 20,032 20,032
Coles County
21,432 22,978 22,978
Cook County
2,258,453 2,493,959 2,493,959
Crawford County
7,882 8,332 8,332
Cumberland County
5,606 5,923 5,923
De Witt County
6,656 7,155 7,155
DeKalb County
48,678 53,536 53,536
Douglas County
9,474 9,928 9,928
DuPage County
445,824 492,348 492,348
Edgar County
8,311 8,592 8,592
Edwards County
2,462 2,608 2,608
Effingham County
17,988 18,748 18,748
Fayette County
8,977 9,519 9,519
Ford County
5,834 6,128 6,128
Franklin County
14,299 15,578 15,578
Fulton County
13,364 14,404 14,404
Gallatin County
1,846 2,228 2,228
Greene County
5,522 5,815 5,815
Grundy County
22,138 24,463 24,463
Hamilton County
3,944 4,267 4,267
Hancock County
7,521 8,045 8,045
Hardin County
1,171 1,225 1,225
Henderson County
3,298 3,471 3,471
Henry County
22,061 23,946 23,946
Iroquois County
12,738 13,796 13,796
Jackson County
25,146 26,999 26,999
Jasper County
4,315 4,469 4,469
Jefferson County
15,279 16,671 16,671
Jersey County
9,883 10,607 10,607
Jo Daviess County
9,560 10,412 10,412
Johnson County
3,732 3,904 3,904
Kane County
237,738 261,403 261,403
Kankakee County
49,164 53,286 53,286
Kendall County
60,839 67,239 67,239
Knox County
19,285 20,758 20,758
Lake County
335,133 362,905 362,905
LaSalle County
47,699 52,006 52,006
Lawrence County
5,276 5,611 5,611
Lee County
15,982 16,981 16,981
Livingston County
14,840 15,967 15,967
Logan County
11,305 12,153 12,153
Macon County
42,512 46,324 46,324
Macoupin County
20,596 22,128 22,128
Madison County
121,270 130,057 130,057
Marion County
15,523 16,967 16,967
Marshall County
4,710 5,104 5,104
Mason County
5,440 5,979 5,979
Massac County
4,883 5,314 5,314
McDonough County
11,908 12,859 12,859
McHenry County
145,249 160,446 160,446
McLean County
79,341 85,083 85,083
Menard County
5,710 6,177 6,177
Mercer County
7,072 7,685 7,685
Monroe County
17,363 18,629 18,629
Montgomery County
10,455 11,190 11,190
Morgan County
14,784 15,890 15,890
Moultrie County
6,925 7,380 7,380
Ogle County
22,199 23,857 23,857
Peoria County
75,016 81,063 81,063
Perry County
7,330 7,936 7,936
Piatt County
8,009 8,376 8,376
Pike County
6,348 6,766 6,766
Pope County
1,513 1,597 1,597
Pulaski County
1,562 1,830 1,830
Putnam County
2,698 2,894 2,894
Randolph County
12,786 13,849 13,849
Richland County
6,864 6,977 6,977
Rock Island County
62,443 67,654 67,654
Saline County
8,605 9,178 9,178
Sangamon County
88,916 96,057 96,057
Schuyler County
2,933 3,138 3,138
Scott County
2,194 2,399 2,399
Shelby County
9,596 10,255 10,255
St. Clair County
113,836 122,061 122,061
Stark County
2,200 2,389 2,389
Stephenson County
19,560 20,922 20,922
Tazewell County
56,948 61,576 61,576
Union County
6,610 7,066 7,066
Vermilion County
29,671 31,561 31,561
Wabash County
5,242 5,622 5,622
Warren County
7,587 8,188 8,188
Washington County
9,072 9,783 9,783
Wayne County
6,230 6,686 6,686
White County
5,671 6,384 6,384
Whiteside County
25,461 27,607 27,607
Will County
311,763 344,488 344,488
Williamson County
28,794 30,902 30,902
Winnebago County
120,253 132,234 132,234
Woodford County
16,917 18,303 18,303
   

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