Illinois Number of Private Business Establishments in the NAICS 51821 Data processing, hosting and related services Industry By County in 2024 Q2 (QCEW)

Updated on April 1, 2026.

According to data from the US Bureau of Labor Statistics, in 2024 Q2, Illinois had 1,617 number of private business establishments in the NAICS 51821 Data processing, hosting and related services Industry. Among all Illinois counties, Cook had the highest number of private business establishments (394), followed by DuPage (78), and Lake (40).

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 51821 Data processing, hosting and related services Industry By County in 2024 Q2

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County	Number of Business Establishments
Adams	1
Boone	1
Champaign	15
Christian	1
Cook	394
DeKalb	1
DuPage	78
Ford	1
Fulton	1
Hamilton	2
Henry	1
Jackson	1
Kane	16
Kankakee	1
Kendall	2
Lake	40
Logan	1
McHenry	7
McLean	3
Macon	1
Madison	8
Marion	1
Mercer	1
Monroe	2
Ogle	1
Peoria	2
Rock Island	1
St. Clair	5
Sangamon	10
Tazewell	2
Vermilion	1
Will	21
Winnebago	5