Manufacturing facilities in Illinois
Map, counties and cities
Biggest counties
Cook5,029DuPage1,546Kane891Lake852Will809Winnebago544McHenry441Madison328All 102 counties
Cook 5,029DuPage 1,546Kane 891Lake 852Will 809Winnebago 544McHenry 441Madison 328St. Clair 300Champaign 277Peoria 216LaSalle 209Rock Island 205McLean 163Sangamon 160DeKalb 158Tazewell 155Kankakee 150Vermilion 144Macon 143Adams 123Whiteside 110Marion 103Effingham 101Boone 95Kendall 92Ogle 92Clinton 90Coles 80Henry 79Grundy 77Williamson 76Livingston 76Stephenson 65Jefferson 61Morgan 61Lee 60Iroquois 58Woodford 57Macoupin 56Bureau 55Montgomery 53Franklin 52McDonough 52Edgar 51Knox 50Douglas 49Fayette 48Jo Daviess 47Jackson 45Carroll 42Randolph 42Christian 41Ford 40Fulton 38Washington 37Marshall 35Saline 34De Witt 33Richland 32Logan 31Bond 31Crawford 31Hancock 30Clay 30Shelby 28Moultrie 27Pike 27Monroe 26Clark 26Cass 23Wayne 23Mason 23Piatt 22Jasper 22Perry 21Johnson 20Warren 20Lawrence 19Massac 18Union 18White 18Hamilton 17Greene 16Mercer 16Cumberland 16Putnam 14Wabash 13Edwards 12Henderson 12Stark 12Alexander 12Jersey 11Schuyler 11Menard 10Gallatin 8Pulaski 7Hardin 7Brown 6Scott 6Calhoun 3Pope 1
Biggest cities
Chicago1,835Elk Grove Village343Rockford340Aurora246Elgin239Addison206Franklin Park194Peoria150Joliet143Wheeling138Bensenville137Des Plaines136
Federal labor statistics counted at least 19,324 manufacturing establishments in Illinois in 2024, employing about 578,390 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 16,526, about 86% of that figure.