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1. Cook County Unit Cook or Collar County

Salary expenditure: $2 billion
Number of positions: 21k

Data year: 2017
2. Cook County Forest Preserve Unit Forest Preserve

Salary expenditure: $36 million
Number of positions: 748

Data year: 2017
3. Cook County SD 130 Unit School District

Salary expenditure: $20 million
Number of positions: 406

Data year: 2017
4. Cook County Stroger Hospital Department

Salary expenditure: $358 million
Number of positions: 4k

Data year: 2017
5. Cook County Department Of Corrections Department

Salary expenditure: $279 million
Number of positions: 4k

Data year: 2017
6. Cook County State's Attorney Department

Salary expenditure: $84 million
Number of positions: 1k

Data year: 2017
7. Cook County Court Services Division Department

Salary expenditure: $77 million
Number of positions: 1k

Data year: 2017
8. Cook County Clerk of Court Department

Salary expenditure: $71 million
Number of positions: 1k

Data year: 2017
9. Cook County Public Defender Department

Salary expenditure: $57 million
Number of positions: 605

Data year: 2017
10. Cook County Police Department Department Police Department

Salary expenditure: $54 million
Number of positions: 608

Data year: 2017
11. Cook County Cermak Health Services Department

Salary expenditure: $49 million
Number of positions: 560

Data year: 2017
12. Cook County Ambulatory/Community Hlth Ntwk Department

Salary expenditure: $46 million
Number of positions: 667

Data year: 2017
13. Cook County Juvenile Temporary Detent.Cntr Department

Salary expenditure: $43 million
Number of positions: 608

Data year: 2017
14. Cook County Adult Probation Dept. Department

Salary expenditure: $39 million
Number of positions: 524

Data year: 2017
15. Cook County Dept. Of Facilities/Mgmt Department

Salary expenditure: $35 million
Number of positions: 466

Data year: 2017
16. Cook County Bureau Of Health Department

Salary expenditure: $34 million
Number of positions: 408

Data year: 2017
17. Cook County Provident Hospital Department

Salary expenditure: $32 million
Number of positions: 327

Data year: 2017
18. Cook County Juvenile Probation Department

Salary expenditure: $29 million
Number of positions: 372

Data year: 2017
19. Cook County Office Of The Chief Judge Department

Salary expenditure: $27 million
Number of positions: 459

Data year: 2017
20. Cook County Sheriff Admin & HR Department

Salary expenditure: $22 million
Number of positions: 297

Data year: 2017
21. Cook County Mft Illinois First Department

Salary expenditure: $21 million
Number of positions: 262

Data year: 2017
22. Cook County County Assessor Department

Salary expenditure: $18 million
Number of positions: 249

Data year: 2017
23. Cook County Public Guardian Department

Salary expenditure: $16 million
Number of positions: 201

Data year: 2017
24. Cook County Social Casework Services Department

Salary expenditure: $12 million
Number of positions: 178

Data year: 2017
25. Cook County Technology Policy And Planning Department

Salary expenditure: $11 million
Number of positions: 122

Data year: 2017

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This database is a living document. We update it regularly and are always on the lookout to make it more robust and precise. If you think we are missing a government unit we should include, please let us know.

While we make every reasonable effort to vet the accuracy of compensation included in the database, it is impossible to double-check all numbers in an undertaking of this magnitude. The basic building blocks of this database are reports provided by public agencies and it is possible errors in those initial reports or others made along the way will be reflected in the numbers we publish. That is why we need help from the public to point out problems.

If you spot something that isn’t right, or if information is missing for a government unit you care about, please contact our data coordinator.