Cook County, Illinois / Juvenile Probation

Agency file

Juvenile Probation

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

The Juvenile Probation runs the corrections system — operating prisons and jails, supervising people in custody, and managing parole or probation.

In 2018, this agency had 389 employees with median total compensation of $22,399; the highest distinct record was $38,819.

Year: 2018
Total payroll: $7.9M
Employees: 389
Median total: $22,399
Highest record: $38,819

What the records show

Compensation analytics

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

Salary distribution

$200$29,854+

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

How 2018 total compensation is spread across the 389 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($22,399) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

Base — $20,390 (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

$12,661

$17,031

$22,399

$23,565

$26,244

The pay ladder for this department. Someone at the 90th percentile earns $26,244 — more than 90% of the department; the 10th percentile earns $12,661. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Probation Officer Ii- Psb

188 · $22,575

Probation Officer III

51 · $25,524

Probation Officer I

26 · $16,421

Probation Officer V

22 · $28,349

Probation Officer Ii-Psby

21 · $22,596

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	$8M —	440 —	$20,610 —
2017	$8.1M ▲ 0.9%	407 ▼ 7.5%	$21,495 ▲ 4.3%
2018	$7.9M ▼ 2.0%	389 ▼ 4.4%	$22,399 ▲ 4.2%

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.

Gsc General Probation Metro Nashville43% match
Department of Probation New York City39% match

Record list

Employees

Page 1

Agin Muhammad

Probation Officer Ii-Psby/Juvenile Probation

2018 total comp

$19,830

Base pay: $19,830
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,830
Hire date: 2008-08-04

Source-specific fields

Employee Identifier: 5a20a3a9-a5f2-4c48-932c-c7203e7e9715
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 7029
Office: 1326
Position Id: 153810

Agin Muhammad holds the role of Probation Officer Ii-Psby at Juvenile Probation. Hired in 2008, they have about 10 years of service. In 2018, their total compensation was $19,830.

Rosa Altamirano

Probation Officer Ii- Psb/Juvenile Probation

2018 total comp

$19,744

Base pay: $19,744
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,744
Hire date: 2008-08-04

Source-specific fields

Employee Identifier: 61035d25-fbeb-4751-a996-fa028fecd01c
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1570
Office: 1326
Position Id: 9918425

Rosa Altamirano is a Probation Officer Ii- Psb at Juvenile Probation. Hired in 2008, they have about 10 years of service. 2018 total compensation came to $19,744.

Jonathan Willis

Probation Officer Ii- Psb/Juvenile Probation

2018 total comp

$19,568

Base pay: $19,568
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,568
Hire date: 2008-08-04
Middle name: P

Source-specific fields

Employee Identifier: 1ea8ea54-e293-4cda-9006-ae887872ea8c
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1570
Office: 1326
Position Id: 9514664

Jonathan Willis works as a Probation Officer Ii- Psb for Juvenile Probation. They have served since 2008 (about 10 years). Jonathan earned $19,568 in 2018.

Wendell Kendricks

Probation Officer Ii- Psb/Juvenile Probation

2018 total comp

$19,285

Base pay: $19,285
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,285
Hire date: 2004-07-26

Source-specific fields

Employee Identifier: a0815c0f-b215-4721-9f93-8419c7048501
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1570
Office: 1326
Position Id: 9514773

Wendell Kendricks is a Probation Officer Ii- Psb at Juvenile Probation. Hired in 2004, they have about 14 years of service. 2018 total compensation came to $19,285.

Joann Mcguffin

Probation Officer Ii- Psb/Juvenile Probation

2018 total comp

$19,161

Base pay: $19,161
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,161
Hire date: 1994-05-09
Middle name: M

Source-specific fields

Employee Identifier: 81b422c8-68c6-4c0c-9aa4-6d06e0e04325
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1570
Office: 1326
Position Id: 9514896

At Juvenile Probation, Joann Mcguffin serves as a Probation Officer Ii- Psb. Their tenure dates to 1994, about 24 years. Their 2018 pay totaled $19,161.

Robert Hill Iii

Motor Vehicle Driver I/Juvenile Probation

2018 total comp

$19,082

Base pay: $19,082
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,082
Hire date: 1986-07-01

Source-specific fields

Employee Identifier: 992fd592-6293-4fd8-b410-a4e26c098bdb
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 2381
Office: 1326
Position Id: 9514516

Robert Hill Iii holds the role of Motor Vehicle Driver I at Juvenile Probation. They have served since 1986 (about 32 years). In 2018, their total compensation was $19,082.

Michael Joiner

Motor Vehicle Driver I/Juvenile Probation

2018 total comp

$19,082

Base pay: $19,082
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,082
Hire date: 2003-06-02
Middle name: R

Source-specific fields

Employee Identifier: da785351-794c-4de0-84ef-734cfec00c11
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 2381
Office: 1326
Position Id: 9514515

Michael Joiner works as a Motor Vehicle Driver I for Juvenile Probation. They have served since 2003 (about 15 years). Michael earned $19,082 in 2018.

David Schierl

Probation Officer Ii- Psb/Juvenile Probation

2018 total comp

$19,000

Base pay: $19,000
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,000
Hire date: 1990-05-16
Middle name: P

Source-specific fields

Employee Identifier: 95b42608-c539-458d-914a-3be4eaaa3a59
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1570
Office: 1326
Position Id: 9514823

David Schierl holds the role of Probation Officer Ii- Psb at Juvenile Probation. Their tenure dates to 1990, about 28 years. In 2018, their total compensation was $19,000.

Katherine Mcgoldrick

Probation Officer Ii- Psb/Juvenile Probation

2018 total comp

$18,885

Base pay: $18,885
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $18,885
Hire date: 1999-09-27
Middle name: A

Source-specific fields

Employee Identifier: 5fd24e79-9611-4096-9c19-42e6843c2c2e
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 1570
Office: 1326
Position Id: 9514777

Katherine Mcgoldrick holds the role of Probation Officer Ii- Psb at Juvenile Probation. They have served since 1999 (about 19 years). In 2018, their total compensation was $18,885.