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Cook County, Illinois / Office Inspector General

Agency file

Office Inspector General

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

The Office Inspector General is a government agency that delivers public services and programs within its jurisdiction.

In 2018, this agency had 17 employees with median total compensation of $26,673; the highest distinct record was $43,692.

Year
2018
Total payroll
$435.1K
Employees
17
Median total
$26,673
Highest record
$43,692

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 17 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($26,673) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

  • Base — $25,597 (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
$19,002
$22,403
$26,673
$28,585
$31,426

The pay ladder for this department. Someone at the 90th percentile earns $31,426 — more than 90% of the department; the 10th percentile earns $19,002. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Investigator III
4 · $22,628
Investigator V
3 · $27,077
Deputy Inspector General
2 · $31,426
Investigator Iv-Oiig
2 · $26,943
Investigator IV Financial
2 · $26,153

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.

YearTotal payrollEmployeesMedian pay
2016
$523.2K
—
21
—
$25,633
—
2017
$468.9K
▼ 10.4%
19
▼ 9.5%
$26,093
▲ 1.8%
2018
$435.1K
▼ 7.2%
17
▼ 10.5%
$26,673
▲ 2.2%

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.

Record list

Employees

Page 1

Robert Burton

Investigator Iv-Oiig/Office Inspector General

2018 total comp
$27,212
Base pay
$27,212
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$27,212
Hire date
2011-08-15
Middle name
M

Source-specific fields

Employee Identifier
7a9f9eb9-4059-4b9d-b2c0-f6a903c6d44b
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
5575
Office
1080
Position Id
1100440

Robert Burton holds the role of Investigator Iv-Oiig at Office Inspector General. Their tenure dates to 2011, about 7 years. In 2018, their total compensation was $27,212.

Daniel Tiernan

Investigator V/Office Inspector General

2018 total comp
$27,077
Base pay
$27,077
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$27,077
Hire date
1988-10-25
Middle name
O

Source-specific fields

Employee Identifier
31498a3a-a67f-4cef-b386-a10cd629dfaf
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
642
Office
1080
Position Id
9701567

At Office Inspector General, Daniel Tiernan serves as a Investigator V. They have served since 1988 (about 30 years). Their 2018 pay totaled $27,077.

Frank Bochte

Investigator Iv-Oiig/Office Inspector General

2018 total comp
$26,673
Base pay
$26,673
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$26,673
Hire date
2013-10-21
Middle name
J

Source-specific fields

Employee Identifier
4511ae73-13b7-4d93-abc1-2450a26a9448
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
5575
Office
1080
Position Id
800036

Frank Bochte works as a Investigator Iv-Oiig for Office Inspector General. Hired in 2013, they have about 5 years of service. Frank earned $26,673 in 2018.

Deborah Cohen

Investigator IV Financial/Office Inspector General

2018 total comp
$26,673
Base pay
$26,673
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$26,673
Hire date
2000-09-11

Source-specific fields

Employee Identifier
7c757814-bf09-4f17-8368-9c518981ab32
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
149
Office
1080
Position Id
9701568

Deborah Cohen holds the role of Investigator IV Financial at Office Inspector General. They have served since 2000 (about 18 years). In 2018, their total compensation was $26,673.