| Rank |
County |
Businesses |
| 1 |
Cook County, Illinois
|
510,931
|
| 2 |
DuPage County, Illinois
|
101,546
|
| 3 |
Lake County, Illinois
|
68,418
|
| 4 |
Will County, Illinois
|
53,097
|
| 5 |
Kane County, Illinois
|
38,586
|
| 6 |
McHenry County, Illinois
|
28,523
|
| 7 |
Winnebago County, Illinois
|
23,683
|
| 8 |
Madison County, Illinois
|
18,588
|
| 9 |
Sangamon County, Illinois
|
17,195
|
| 10 |
St Clair County, Illinois
|
17,080
|
| 11 |
Champaign County, Illinois
|
13,525
|
| 12 |
Peoria County, Illinois
|
13,447
|
| 13 |
McLean County, Illinois
|
12,693
|
| 14 |
Tazewell County, Illinois
|
9,910
|
| 15 |
Rock Island County, Illinois
|
9,360
|
| 16 |
LaSalle County, Illinois
|
8,452
|
| 17 |
Kankakee County, Illinois
|
8,399
|
| 18 |
Kendall County, Illinois
|
8,311
|
| 19 |
Macon County, Illinois
|
7,840
|
| 20 |
DeKalb County, Illinois
|
7,815
|
| 21 |
Williamson County, Illinois
|
5,881
|
| 22 |
Vermilion County, Illinois
|
5,845
|
| 23 |
Adams County, Illinois
|
5,561
|
| 24 |
Ogle County, Illinois
|
4,622
|
| 25 |
Jackson County, Illinois
|
4,209
|
| 26 |
Whiteside County, Illinois
|
4,063
|
| 27 |
Coles County, Illinois
|
3,872
|
| 28 |
Grundy County, Illinois
|
3,673
|
| 29 |
Stephenson County, Illinois
|
3,662
|
| 30 |
Macoupin County, Illinois
|
3,653
|
| 31 |
Boone County, Illinois
|
3,425
|
| 32 |
Effingham County, Illinois
|
3,422
|
| 33 |
Knox County, Illinois
|
3,333
|
| 34 |
Henry County, Illinois
|
3,237
|
| 35 |
Marion County, Illinois
|
3,236
|
| 36 |
Monroe County, Illinois
|
3,221
|
| 37 |
Franklin County, Illinois
|
3,165
|
| 38 |
Christian County, Illinois
|
2,949
|
| 39 |
Bureau County, Illinois
|
2,918
|
| 40 |
Clinton County, Illinois
|
2,876
|
| 41 |
Jefferson County, Illinois
|
2,846
|
| 42 |
Morgan County, Illinois
|
2,795
|
| 43 |
Iroquois County, Illinois
|
2,722
|
| 44 |
Jo Daviess County, Illinois
|
2,655
|
| 45 |
McDonough County, Illinois
|
2,554
|
| 46 |
Livingston County, Illinois
|
2,551
|
| 47 |
Montgomery County, Illinois
|
2,543
|
| 48 |
Fulton County, Illinois
|
2,540
|
| 49 |
Lee County, Illinois
|
2,448
|
| 50 |
Woodford County, Illinois
|
2,365
|
| 51 |
Jersey County, Illinois
|
2,278
|
| 52 |
Randolph County, Illinois
|
2,250
|
| 53 |
Fayette County, Illinois
|
2,194
|
| 54 |
Hancock County, Illinois
|
2,125
|
| 55 |
Saline County, Illinois
|
1,937
|
| 56 |
Douglas County, Illinois
|
1,871
|
| 57 |
Logan County, Illinois
|
1,823
|
| 58 |
Shelby County, Illinois
|
1,699
|
| 59 |
Carroll County, Illinois
|
1,669
|
| 60 |
Wayne County, Illinois
|
1,653
|
| 61 |
Crawford County, Illinois
|
1,597
|
| 62 |
Ford County, Illinois
|
1,500
|
| 63 |
Richland County, Illinois
|
1,481
|
| 64 |
Clark County, Illinois
|
1,452
|
| 65 |
Union County, Illinois
|
1,445
|
| 66 |
Perry County, Illinois
|
1,445
|
| 67 |
Pike County, Illinois
|
1,444
|
| 68 |
Piatt County, Illinois
|
1,407
|
| 69 |
Massac County, Illinois
|
1,395
|
| 70 |
Warren County, Illinois
|
1,350
|
| 71 |
Bond County, Illinois
|
1,349
|
| 72 |
Mercer County, Illinois
|
1,344
|
| 73 |
Edgar County, Illinois
|
1,251
|
| 74 |
White County, Illinois
|
1,249
|
| 75 |
Lawrence County, Illinois
|
1,242
|
| 76 |
Moultrie County, Illinois
|
1,186
|
| 77 |
Cass County, Illinois
|
1,166
|
| 78 |
De Witt County, Illinois
|
1,165
|
| 79 |
Menard County, Illinois
|
1,128
|
| 80 |
Jasper County, Illinois
|
1,127
|
| 81 |
Wabash County, Illinois
|
1,104
|
| 82 |
Greene County, Illinois
|
1,080
|
| 83 |
Marshall County, Illinois
|
1,057
|
| 84 |
Hamilton County, Illinois
|
1,013
|
| 85 |
Clay County, Illinois
|
732
|
| 86 |
Johnson County, Illinois
|
713
|
| 87 |
Mason County, Illinois
|
651
|
| 88 |
Cumberland County, Illinois
|
626
|
| 89 |
Henderson County, Illinois
|
604
|
| 90 |
Gallatin County, Illinois
|
548
|
| 91 |
Schuyler County, Illinois
|
508
|
| 92 |
Edwards County, Illinois
|
500
|
| 93 |
Putnam County, Illinois
|
493
|
| 94 |
Scott County, Illinois
|
449
|
| 95 |
Hardin County, Illinois
|
446
|
| 96 |
Alexander County, Illinois
|
383
|
| 97 |
Brown County, Illinois
|
373
|
| 98 |
Pulaski County, Illinois
|
264
|
| 99 |
Pope County, Illinois
|
0
|
| 100 |
Calhoun County, Illinois
|
0
|
| 101 |
Stark County, Illinois
|
0
|
| 102 |
Washington County, Illinois
|
0
|