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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

Michael Dwyer

County Police Sergeant/Police Department

2018 total comp
$21,570
Base pay
$21,570
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$21,570
Hire date
1998-03-04
Middle name
F

Source-specific fields

Employee Identifier
4c714dee-75b2-4ba8-9ef8-dc33ec33664e
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1330
Office
1231
Position Id
1803923

Michael Dwyer works as a County Police Sergeant for Police Department. Their tenure dates to 1998, about 20 years. Michael earned $21,570 in 2018.

Helen Siaj

County Police Officer/Police Department

2018 total comp
$21,554
Base pay
$21,554
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$21,554
Hire date
1992-02-18

Source-specific fields

Employee Identifier
1a17dc8d-d844-4db6-970b-8ee2265c1650
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1328
Office
1231
Position Id
1803996

Helen Siaj works as a County Police Officer for Police Department. Their tenure dates to 1992, about 26 years. Helen earned $21,554 in 2018.

Christopher Imhof

County Police Sergeant/Police Department

2018 total comp
$21,400
Base pay
$21,400
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$21,400
Hire date
1997-01-06
Middle name
J

Source-specific fields

Employee Identifier
a78642f9-b3f8-488b-a2e6-ac9d19ce837a
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1330
Office
1231
Position Id
1803926

At Police Department, Christopher Imhof serves as a County Police Sergeant. Hired in 1997, they have about 21 years of service. Their 2018 pay totaled $21,400.

Efrain Mata

County Police Officer/Police Department

2018 total comp
$21,360
Base pay
$21,360
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$21,360
Hire date
1996-06-10

Source-specific fields

Employee Identifier
4ce25e68-ba3e-4bc1-bd48-d5e4165eafac
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1328
Office
1231
Position Id
1803900

Efrain Mata is a County Police Officer at Police Department. They have served since 1996 (about 22 years). 2018 total compensation came to $21,360.

Kevin Enyart

County Police Officer/Police Department

2018 total comp
$20,957
Base pay
$20,957
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$20,957
Hire date
1995-08-07
Middle name
A

Source-specific fields

Employee Identifier
8342c75c-7991-4c10-9804-7dd8d19af054
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1328
Office
1231
Position Id
1803908

Kevin Enyart holds the role of County Police Officer at Police Department. Their tenure dates to 1995, about 23 years. In 2018, their total compensation was $20,957.