Illinois Number of Private Business Establishments in the NAICS 6111 Elementary and secondary schools Industry By County in 2025 Q3 (QCEW)

Updated on April 2, 2026.

According to data from the US Bureau of Labor Statistics, in 2025 Q3, Illinois had 960 number of private business establishments in the NAICS 6111 Elementary and secondary schools Industry. Among all Illinois counties, Cook had the highest number of private business establishments (431), followed by DuPage (70), and Lake (54).

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.

Data Source: US Bureau of Labor Statistics (QCEW).

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Illinois Number of Private Business Establishments in the NAICS 6111 Elementary and secondary schools Industry By County in 2025 Q3

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County	Number of Business Establishments
Adams	7
Alexander	1
Boone	1
Brown	1
Calhoun	2
Carroll	1
Champaign	15
Christian	2
Clark	1
Clinton	4
Coles	1
Cook	431
Cumberland	1
DeKalb	4
Douglas	1
DuPage	70
Edwards	1
Effingham	4
Ford	2
Greene	1
Grundy	1
Hancock	2
Henry	3
Jackson	3
Jefferson	3
Jersey	3
Jo Daviess	2
Kane	32
Kankakee	4
Kendall	4
Knox	2
Lake	54
LaSalle	6
Lee	4
Livingston	3
Logan	1
McDonough	2
McHenry	14
McLean	11
Macon	5
Madison	20
Marion	3
Monroe	3
Montgomery	1
Morgan	2
Moultrie	1
Peoria	15
Perry	1
Piatt	2
Pulaski	2
Randolph	2
Richland	2
Rock Island	6
St. Clair	17
Saline	1
Sangamon	14
Shelby	1
Stephenson	2
Tazewell	5
Vermilion	3
Wabash	2
Washington	2
White	3
Whiteside	4
Will	27
Williamson	2
Winnebago	21
Woodford	4