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Cook County, Illinois / Police Department

Agency file

Police Department

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

The Police Department provides law enforcement and public safety — patrol, criminal investigation, and emergency response.

In 2018, this agency had 83 employees with median total compensation of $17,792; the highest distinct record was $25,226.

Year
2018
Total payroll
$1.4M
Employees
83
Median total
$17,792
Highest record
$25,226

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 83 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($17,792) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

  • Base — $17,016 (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
$10,389
$15,965
$17,792
$20,529
$21,989

The pay ladder for this department. Someone at the 90th percentile earns $21,989 — more than 90% of the department; the 10th percentile earns $10,389. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

County Police Officer
50 · $17,792
County Police Sergeant
10 · $21,061
Deputy Sheriff D2B
4 · $13,947
Police Commander
3 · $21,925
Administrative Assistant II
3 · $11,331

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.

Record list

Employees

Page 1

John Sullivan

County Police Sergeant/Police Department

2018 total comp
$25,226
Base pay
$25,226
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$25,226
Hire date
1993-02-22
Middle name
L

Source-specific fields

Employee Identifier
8956262b-3e27-49eb-b11d-17dd4491e857
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1330
Office
1231
Position Id
1804018

John Sullivan is a County Police Sergeant at Police Department. They have served since 1993 (about 25 years). 2018 total compensation came to $25,226.

Marlon Parks

First Deputy Chief of Police/Police Department

2018 total comp
$24,887
Base pay
$24,887
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$24,887
Hire date
1992-05-04
Middle name
L

Source-specific fields

Employee Identifier
3fb0ae6b-9a06-471b-8951-8c4ad8ca13af
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1310
Office
1231
Position Id
1803948

Marlon Parks holds the role of First Deputy Chief of Police at Police Department. Hired in 1992, they have about 26 years of service. In 2018, their total compensation was $24,887.

Robert Mousel Jr

County Police Officer/Police Department

2018 total comp
$24,621
Base pay
$24,621
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$24,621
Hire date
1998-06-22
Middle name
J

Source-specific fields

Employee Identifier
765d9064-4e45-4692-b9fc-1522cba88a67
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1328
Office
1231
Position Id
1803915

Robert Mousel Jr is a County Police Officer at Police Department. They have served since 1998 (about 20 years). 2018 total compensation came to $24,621.

Michael Anton

Deputy Chief/Police Department

2018 total comp
$23,822
Base pay
$23,822
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$23,822
Hire date
1989-06-01
Middle name
P

Source-specific fields

Employee Identifier
fe3a2c3e-3432-4574-ad3a-be1ea6dec6da
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
5232
Office
1231
Position Id
1804008

Michael Anton holds the role of Deputy Chief at Police Department. They have served since 1989 (about 29 years). In 2018, their total compensation was $23,822.