Cook County, Illinois / Sheriff's Administrative and HR

Agency file

Sheriff's Administrative and HR

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

The Sheriff's Administrative and HR provides law enforcement and public safety — patrol, criminal investigation, and emergency response.

In 2018, this agency had 226 employees with median total compensation of $15,707; the highest distinct record was $31,218.

Year: 2018
Total payroll: $3.2M
Employees: 226
Median total: $15,707
Highest record: $31,218

What the records show

Compensation analytics

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

Salary distribution

$40$30,228+

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

How 2018 total compensation is spread across the 226 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($15,707) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

Base — $14,150 (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

$4,397

$5,707

$15,707

$21,003

$24,263

The pay ladder for this department. Someone at the 90th percentile earns $24,263 — more than 90% of the department; the 10th percentile earns $4,397. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Administrative Assistant III

35 · $16,125

26 · $20,244

15 · $16,554

13 · $27,875

6 · $16,888

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.

Trend

Year over year

How this department's total payroll, headcount, and median pay changed across the 3 published years.

Year	Total payroll	Employees	Median pay
2016	$6.3M —	349 —	$18,002 —
2017	$6.5M ▲ 3.1%	350 ▲ 0.3%	$18,780 ▲ 4.3%
2018	$3.2M ▼ 50.5%	226 ▼ 35.4%	$15,707 ▼ 16.4%

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.

Sheriff Administrative & HR Cook County, Illinois53% match
Pps Prisons City of Philadelphia45% match
Texas Department of Criminal Justice Texas45% match
She Cdc-M Offend Management Key Metro Nashville45% match
Maine Correctional Center Maine44% match
Jail Allegheny County, Pennsylvania44% match

Record list

Employees

Page 1

Kevin Howley

Investigator IV/Sheriff's Administrative and HR

2018 total comp

$12,601

Base pay: $12,601
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $12,601
Hire date: 2014-01-13

Source-specific fields

Employee Identifier: 93c3701e-aafe-4a8c-9fa8-c33716eb9bc0
Fiscal Period: 2018Q1
Fiscal Quarter: 1
Job Code: 641
Office: 1214
Position Id: 9503868

Kevin Howley holds the role of Investigator IV at Sheriff's Administrative and HR. Hired in 2014, they have about 4 years of service. In 2018, their total compensation was $12,601.

Marcela Castillo

Employee Discipline Administrative/Sheriff's Administrative and HR

2017 total comp

$11,408

Base pay: $11,408
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $11,408
Hire date: 2016-06-20
Middle name: Y

Source-specific fields

Employee Identifier: d2a1b032-b74f-4ff0-b6ce-1b30f07a7647
Fiscal Period: 2017Q3
Fiscal Quarter: 3
Job Code: 6102
Office: 1214
Position Id: 1500203

Marcela Castillo works as a Employee Discipline Administrative for Sheriff's Administrative and HR. Their tenure dates to 2016, about a year. Marcela earned $11,408 in 2017.

Larissa Davis

Administrative Support VI/Sheriff's Administrative and HR

2017 total comp

$11,364

Base pay: $11,364
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $11,364
Hire date: 2014-10-20
Middle name: K

Source-specific fields

Employee Identifier: 679a93b0-cf8c-40b4-ba2f-93309b1ef64e
Fiscal Period: 2017Q3
Fiscal Quarter: 3
Job Code: 5802
Office: 1214
Position Id: 9505830

Larissa Davis is a Administrative Support VI at Sheriff's Administrative and HR. They have served since 2014 (about 3 years). 2017 total compensation came to $11,364.