Cook County, Illinois / Department of Corrections

Agency file

Department of Corrections

Source file: Cook County, Illinois — Employee Payroll / ingested Jun 19, 2026

The Department of Corrections runs the corrections system — operating prisons and jails, supervising people in custody, and managing parole or probation.

In 2018, this agency had 590 employees with median total compensation of $14,457; the highest distinct record was $44,106.

Year: 2018
Total payroll: $8.2M
Employees: 590
Median total: $14,457
Highest record: $44,106

What the records show

Compensation analytics

These summaries compare pay within the agency before listing individual records.

Salary distribution

$510$22,234+

Hover a bar for its range; click to filter the list below.

How 2018 total compensation is spread across the 590 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($14,457) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

Base — $13,912 (100%)
Overtime — $0 (0%)
Other — $0 (0%)
Benefits — $0 (0%)

What an average paycheck here is made of — base salary versus overtime, other pay (bonuses, allowances), and benefits. A large overtime or other-pay share means take-home often exceeds base salary.

Pay percentiles

10th

25th

Median

75th

90th

$9,539

$12,720

$14,457

$15,908

$17,150

The pay ladder for this department. Someone at the 90th percentile earns $17,150 — more than 90% of the department; the 10th percentile earns $9,539. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Correctional Officer

376 · $14,281

Investigator II Inten Supervisor

47 · $16,050

Correctional Lieutenant

34 · $18,351

Deputy Sheriff D2B

25 · $15,767

Clerk V (Seiu73)

12 · $9,646

The most common job titles in this department by headcount, with the median total compensation for each. Click a title to see everyone who holds it.

Compare

Similar departments

Departments elsewhere with the most similar mix of roles — a proxy for the same kind of agency, matched by workforce composition rather than name. Pay is not cost-of-living adjusted.

Department of Corrections Cook County, Illinois98% match
Pps Prisons City of Philadelphia98% match
She Cdc-M Offend Management Key Metro Nashville97% match
Jail Allegheny County, Pennsylvania96% match
Maine Correctional Center Maine96% match
Doc District of Columbia96% match

Record list

Employees

Page 1

Jezele Jones Sr

Correctional Officer/Department of Corrections

2018 total comp

$3,856

Base pay: $3,856
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $3,856
Hire date: 2013-06-03
Middle name: L

Source-specific fields

Employee Identifier: 68910a76-bee9-4ac5-b71f-0142f1fee5b9
Fiscal Period: 2018Q1
Fiscal Quarter: 1
Job Code: 1360
Office: 1239
Position Id: 1804625

Jezele Jones Sr works as a Correctional Officer for Department of Corrections. They have served since 2013 (about 5 years). Jezele earned $3,856 in 2018.

Clarance Hummel

Deputy Sheriff D2B/Department of Corrections

2018 total comp

$3,739

Base pay: $3,739
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $3,739
Hire date: 1984-01-19
Middle name: D

Source-specific fields

Employee Identifier: 52f3b5da-08af-49fa-958f-0f01f9b0f70f
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1339
Office: 1231
Position Id: 1804073

Clarance Hummel holds the role of Deputy Sheriff D2B at Department of Corrections. They have served since 1984 (about 34 years). In 2018, their total compensation was $3,739.

Jacob Clas

Correctional Officer/Department of Corrections

2018 total comp

$3,729

Base pay: $3,729
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $3,729
Hire date: 2014-03-10
Middle name: J

Source-specific fields

Employee Identifier: c9f5e134-fab1-4a32-8416-60df8a20aee8
Fiscal Period: 2018Q1
Fiscal Quarter: 1
Job Code: 1360
Office: 1239
Position Id: 1805137

Jacob Clas is a Correctional Officer at Department of Corrections. Their tenure dates to 2014, about 4 years. 2018 total compensation came to $3,729.

Charley Mentz

Deputy Sheriff D2B/Department of Corrections

2018 total comp

$3,619

Base pay: $3,619
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $3,619
Hire date: 1995-09-18
Middle name: M

Source-specific fields

Employee Identifier: f26755fa-5e82-4d2c-8c62-fea41e56d7cc
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1339
Office: 1231
Position Id: 1804070

Charley Mentz works as a Deputy Sheriff D2B for Department of Corrections. Their tenure dates to 1995, about 23 years. Charley earned $3,619 in 2018.

Robert Sanchez

Deputy Sheriff D2B/Department of Corrections

2018 total comp

$3,619

Base pay: $3,619
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $3,619
Hire date: 1995-08-24
Middle name: G

Source-specific fields

Employee Identifier: 307589ca-f630-4a19-b3ea-e07acc22d661
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1339
Office: 1231
Position Id: 1804075

Robert Sanchez holds the role of Deputy Sheriff D2B at Department of Corrections. Their tenure dates to 1995, about 23 years. In 2018, their total compensation was $3,619.

Patrick Moriarty

Investigator II Fug Unit/Department of Corrections

2018 total comp

$3,517

Base pay: $3,517
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $3,517
Hire date: 1990-03-16
Middle name: J

Source-specific fields

Employee Identifier: f300313b-5bf9-4bdd-beef-3fa7e39c64fa
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 674
Office: 1231
Position Id: 1804089

Patrick Moriarty is a Investigator II Fug Unit at Department of Corrections. They have served since 1990 (about 28 years). 2018 total compensation came to $3,517.

John Darge

Deputy Sheriff D2B/Department of Corrections

2018 total comp

$3,504

Base pay: $3,504
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $3,504
Hire date: 2000-02-28
Middle name: A

Source-specific fields

Employee Identifier: 79e95c8e-6eae-4a7c-ae22-9ff36da52584
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1339
Office: 1231
Position Id: 1804067

At Department of Corrections, John Darge serves as a Deputy Sheriff D2B. Their tenure dates to 2000, about 18 years. Their 2018 pay totaled $3,504.

David Ribaldo

Deputy Sheriff D2B/Department of Corrections

2018 total comp

$3,504

Base pay: $3,504
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $3,504
Hire date: 1995-05-30
Middle name: M

Source-specific fields

Employee Identifier: 6afec5b2-7fd4-4119-856f-80b80bb40a7e
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1339
Office: 1231
Position Id: 1804066

David Ribaldo holds the role of Deputy Sheriff D2B at Department of Corrections. They have served since 1995 (about 23 years). In 2018, their total compensation was $3,504.

Byron Perry

Deputy Sheriff II/Department of Corrections

2018 total comp

$3,393

Base pay: $3,393
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $3,393
Hire date: 2000-07-28
Middle name: D

Source-specific fields

Employee Identifier: 065d2a6a-9551-4b87-b22c-97888e6ef087
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1333
Office: 1231
Position Id: 1804079

Byron Perry works as a Deputy Sheriff II for Department of Corrections. They have served since 2000 (about 18 years). Byron earned $3,393 in 2018.

Erik Mackowiak

Deputy Sheriff Sergeant/Department of Corrections

2018 total comp

$3,319

Base pay: $3,319
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $3,319
Hire date: 1995-04-03
Middle name: S

Source-specific fields

Employee Identifier: f3058146-ef61-4446-9aef-9e3d7d108185
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1341
Office: 1231
Position Id: 1804081

At Department of Corrections, Erik Mackowiak serves as a Deputy Sheriff Sergeant. Hired in 1995, they have about 23 years of service. Their 2018 pay totaled $3,319.

Emiliano Valencia

Deputy Sheriff Sergeant/Department of Corrections

2018 total comp

$3,319

Base pay: $3,319
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $3,319
Hire date: 1996-08-12
Middle name: R

Source-specific fields

Employee Identifier: b7a3a916-75f4-4a5d-87e2-6f32781c836f
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1341
Office: 1231
Position Id: 1804083

Emiliano Valencia is a Deputy Sheriff Sergeant at Department of Corrections. Their tenure dates to 1996, about 22 years. 2018 total compensation came to $3,319.