Illinois Outline Illinois Demographics by Cubit

Illinois Counties by Population

Illinois Counties by Population

Get a list of Illinois counties by population. The data is from the US Census. Below are 102 Illinois counties ranked 1 through 102. You can copy and paste this list directly into your favorite spreadsheet program. Don't you just adore lovely numbers listed nicely in columns & rows? We do!

Rank County Population
1 Cook County 5,238,216
2 DuPage County 933,736
3 Lake County 703,910
4 Will County 687,263
5 Kane County 530,847
6 McHenry County 307,343
7 Winnebago County 287,078
8 Madison County 266,209
9 St. Clair County 264,052
10 Champaign County 208,861
11 Sangamon County 198,712
12 Peoria County 186,221
13 McLean County 173,166
14 Rock Island County 146,133
15 Tazewell County 134,800
16 Kendall County 123,355
17 LaSalle County 111,333
18 Kankakee County 110,879
19 Macon County 107,303
20 DeKalb County 104,352
21 Vermilion County 79,282
22 Williamson County 67,466
23 Adams County 67,013
24 Jackson County 59,362
25 Whiteside County 57,079
26 Boone County 53,585
27 Coles County 52,521
28 Ogle County 51,659
29 Knox County 51,441
30 Grundy County 50,541
31 Henry County 49,489
32 Macoupin County 46,045
33 Stephenson County 45,749
34 Franklin County 39,485
35 Woodford County 39,227
36 Jefferson County 38,353
37 Marion County 38,339
38 Clinton County 37,786
39 Livingston County 36,671
40 Fulton County 35,699
41 Morgan County 34,828
42 Lee County 34,584
43 Effingham County 34,371
44 Monroe County 33,879
45 Christian County 33,642
46 Bureau County 33,587
47 Randolph County 32,852
48 McDonough County 31,333
49 Logan County 29,494
50 Montgomery County 28,898
51 Iroquois County 28,672
52 Saline County 24,548
53 Jersey County 22,372
54 Jo Daviess County 22,086
55 Fayette County 22,043
56 Shelby County 21,775
57 Perry County 21,543
58 Douglas County 19,823
59 Crawford County 19,414
60 Hancock County 18,543
61 Edgar County 17,664
62 Warren County 17,527
63 Union County 17,408
64 Bond County 16,950
65 Lawrence County 16,491
66 Wayne County 16,423
67 Piatt County 16,387
68 De Witt County 16,247
69 Richland County 16,029
70 Pike County 15,989
71 Clark County 15,979
72 Mercer County 15,858
73 Moultrie County 14,931
74 Massac County 14,766
75 Carroll County 14,616
76 White County 14,327
77 Washington County 14,270
78 Ford County 13,736
79 Mason County 13,701
80 Clay County 13,428
81 Greene County 13,241
82 Cass County 12,847
83 Johnson County 12,762
84 Menard County 12,444
85 Marshall County 11,982
86 Wabash County 11,542
87 Cumberland County 10,898
88 Jasper County 9,607
89 Hamilton County 8,200
90 Schuyler County 7,032
91 Henderson County 6,995
92 Brown County 6,829
93 Alexander County 6,780
94 Edwards County 6,534
95 Stark County 5,788
96 Pulaski County 5,678
97 Putnam County 5,644
98 Gallatin County 5,265
99 Scott County 5,092
100 Calhoun County 4,899
101 Pope County 4,226
102 Hardin County 4,135

United States Census Bureau / American FactFinder. "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2015". 2015 Population Estimates Program. Web. March 2016. http://factfinder2.census.gov.

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