Illinois Number of Private Business Establishments in the NAICS 23 Construction Industry By County in 2025 Q1 (QCEW)

Updated on April 2, 2026.

According to data from the US Bureau of Labor Statistics, in 2025 Q1, Illinois had 31,692 number of private business establishments in the NAICS 23 Construction Industry. Among all Illinois counties, Cook had the highest number of private business establishments (10,759), followed by DuPage (3,020), and Lake (1,936).

The chart and table shows the number of business establishments for each county.

You can see similar information for other states, and for the United States.

You can see similar information for other industries.

Related Topics: Illinois BLS Topic List.
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Illinois Number of Private Business Establishments in the NAICS 23 Construction Industry By County in 2025 Q1
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County Number of Business Establishments
Adams 209
Alexander 3
Bond 40
Boone 133
Brown 15
Bureau 75
Calhoun 8
Carroll 48
Cass 33
Champaign 347
Christian 82
Clark 37
Clay 18
Clinton 134
Coles 111
Cook 10759
Crawford 29
Cumberland 19
DeKalb 245
Douglas 85
DuPage 3020
Edgar 36
Edwards 17
Effingham 148
Fayette 55
Ford 30
Franklin 66
Fulton 62
Gallatin 8
Greene 21
Grundy 150
Hamilton 14
Hancock 29
Henderson 12
Henry 125
Iroquois 74
Jackson 89
Jasper 34
Jefferson 73
Jersey 49
Jo Daviess 84
Johnson 22
Kane 1660
Kankakee 207
Kendall 350
Knox 72
Lake 1936
LaSalle 232
Lawrence 14
Lee 69
Livingston 87
Logan 47
McDonough 41
McHenry 1108
McLean 321
Macon 182
Macoupin 106
Madison 568
Marion 76
Marshall 24
Mason 21
Massac 12
Menard 36
Mercer 29
Monroe 91
Montgomery 74
Morgan 61
Moultrie 58
Ogle 128
Peoria 308
Perry 25
Piatt 49
Pike 53
Pope 5
Pulaski 3
Putnam 29
Randolph 71
Richland 36
Rock Island 244
St. Clair 469
Saline 53
Sangamon 426
Schuyler 20
Scott 9
Shelby 50
Stark 18
Stephenson 107
Tazewell 274
Union 26
Vermilion 92
Wabash 18
Warren 39
Washington 37
Wayne 20
White 18
Whiteside 98
Will 1831
Williamson 156
Winnebago 533
Woodford 133