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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

Gary Contreras

County Police Sergeant/Police Department

2018 total comp
$16,057
Base pay
$16,057
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$16,057
Hire date
1998-04-13
Middle name
C

Source-specific fields

Employee Identifier
d241e37c-7413-4f97-869e-f2f12578793b
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1330
Office
1231
Position Id
1804027

At Police Department, Gary Contreras serves as a County Police Sergeant. Hired in 1998, they have about 20 years of service. Their 2018 pay totaled $16,057.

James Plybon

County Police Officer/Police Department

2018 total comp
$15,965
Base pay
$15,965
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$15,965
Hire date
1997-01-06
Middle name
C

Source-specific fields

Employee Identifier
9739a4fa-8ac4-4a4e-81cf-ec2d6e35b9a7
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1328
Office
1231
Position Id
1804040

James Plybon holds the role of County Police Officer at Police Department. Hired in 1997, they have about 21 years of service. In 2018, their total compensation was $15,965.

Maurice Ashford

Correctional Officer/Police Department

2018 total comp
$15,908
Base pay
$15,908
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$15,908
Hire date
1995-02-14

Source-specific fields

Employee Identifier
a821e1dd-3f3d-4670-b605-d7902a07469a
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1360
Office
1231
Position Id
1804020

Maurice Ashford works as a Correctional Officer for Police Department. Their tenure dates to 1995, about 23 years. Maurice earned $15,908 in 2018.