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St. Clair County Business Data

Businesses, industries, trucking companies, banks and bankruptcies in St. Clair County, Illinois.

Employer establishments
4,973
2023
Employees
72,871
Average annual pay
$50,062
Nonemployer businesses
17,375
$643.7M receipts, 2024

Industries

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IndustryEstablishmentsEmployeesAverage pay
Retail trade76611,974$32,977
Health care and social assistance65113,767$58,660
Other services5684,023$35,153
Accommodation and food services55310,220$21,517
Construction4334,185$73,378
Professional and technical services4294,257$85,230
Finance and insurance3431,756$77,141
Administrative and support services2864,080$50,913
Real estate and rental205816$46,886
Transportation and warehousing1765,197$57,778
Wholesale trade1752,544$66,533
Manufacturing1425,461$62,956
Arts, entertainment and recreation851,385$19,960
Information64674$57,706
Educational services581,422$31,017
Utilities21553$113,846
Management of companies12477$83,088

Total annual payroll: $3.65B

Establishments by number of employees

2023

  • 1 to 4 employees2,36447.6%
  • 5 to 9 employees1,02620.6%
  • 10 to 19 employees76315.3%
  • 20 to 49 employees52210.5%
  • 50 to 99 employees1953.9%
  • 100 to 249 employees801.6%
  • 250 to 499 employees160.3%
  • 500 to 999 employees50.1%
  • 1,000 or more employees00.0%

Trucking companies

927 active carriers with 5,308 power units and 5,667 drivers

All carriers

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Banks headquartered in St. Clair County

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BankTotal assetsDepositsOffices
Bank of Belleville$562.9M$411.4M4
Citizens Community Bank$531M$446.1M4
Bank of O'Fallon$377.5M$324.1M2
First FSB of Mascoutah$207.3M$185.3M3

Business bankruptcies

Illinois by county

9 business cases (4 under Chapter 11) and 551 cases in all were filed in the 12 months ending June 2026.

County Business Patterns counts employer establishments by the county where they are located. The Census Bureau adds small random noise to protect confidentiality, and some small cells are withheld (shown as Not reported).

Source: U.S. Census Bureau County Business Patterns, FMCSA, FDIC and the U.S. Courts · Last updated 12/31/2023