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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

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.

Record list

Employees

Page 1

Marlena Jentz

Deputy Director/Department of Corrections

2018 total comp
$20,330
Base pay
$20,330
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$20,330
Hire date
2013-01-14
Middle name
L

Source-specific fields

Employee Identifier
f3d9193d-55ab-4390-ab45-2d5ac53b91bd
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
5204
Office
1239
Position Id
1804973

Marlena Jentz holds the role of Deputy Director at Department of Corrections. Hired in 2013, they have about 5 years of service. In 2018, their total compensation was $20,330.

Despina Atsaves

Correctional Lieutenant/Department of Corrections

2018 total comp
$20,218
Base pay
$20,218
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$20,218
Hire date
2002-07-08
Middle name
C

Source-specific fields

Employee Identifier
947a2fe0-6543-4449-9364-8496779fc614
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1355
Office
1239
Position Id
1804359

Despina Atsaves works as a Correctional Lieutenant for Department of Corrections. Their tenure dates to 2002, about 16 years. Despina earned $20,218 in 2018.

Jimmy Mcmillian

Correctional Officer/Department of Corrections

2018 total comp
$19,536
Base pay
$19,536
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$19,536
Hire date
2002-07-08

Source-specific fields

Employee Identifier
b14fa608-24d2-4102-8722-76b1f49a304d
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1360
Office
1239
Position Id
1804890

At Department of Corrections, Jimmy Mcmillian serves as a Correctional Officer. Hired in 2002, they have about 16 years of service. Their 2018 pay totaled $19,536.