GCGovComp.app

Cook County, Illinois / County Treasurer

Agency file

County Treasurer

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

The County Treasurer manages public finances — collecting revenue and taxes, budgeting, accounting, and financial oversight.

In 2018, this agency had 78 employees with median total compensation of $20,687; the highest distinct record was $44,021.

Year
2018
Total payroll
$1.7M
Employees
78
Median total
$20,687
Highest record
$44,021

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 78 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($20,687) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

  • Base — $22,121 (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
$11,748
$16,888
$20,687
$28,179
$33,654

The pay ladder for this department. Someone at the 90th percentile earns $33,654 — more than 90% of the department; the 10th percentile earns $11,748. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Administrative Analyst I
11 · $16,644
Administrative Assistant IV
6 · $20,997
Administrative Assistant III
6 · $18,226
Systems Analyst V
4 · $33,387
Accountant III
4 · $14,003

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
$1.9M
—
107
—
$17,545
—
2017
$1.9M
▲ 0.9%
112
▲ 4.7%
$17,373
▼ 1.0%
2018
$1.7M
▼ 9.7%
78
▼ 30.4%
$20,687
▲ 19.1%

Record list

Employees

Page 1

Peter Karahalios

Chief General Counsel/County Treasurer

2018 total comp
$44,021
Base pay
$44,021
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$44,021
Hire date
1998-08-24
Middle name
G

Source-specific fields

Employee Identifier
5b6aee95-324f-44ae-ac7d-626dae010d7a
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
745
Office
1060
Position Id
9918386

At County Treasurer, Peter Karahalios serves as a Chief General Counsel. They have served since 1998 (about 20 years). Their 2018 pay totaled $44,021.

Bill Kouruklis

Deputy County Treasurer/County Treasurer

2018 total comp
$44,021
Base pay
$44,021
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$44,021
Hire date
1992-01-03
Middle name
N

Source-specific fields

Employee Identifier
517ddc6a-d271-4acb-821b-6feba36ffd60
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
108
Office
1060
Position Id
9501520

At County Treasurer, Bill Kouruklis serves as a Deputy County Treasurer. They have served since 1992 (about 26 years). Their 2018 pay totaled $44,021.

Reuben Edmonson

Chief Information Officer/County Treasurer

2018 total comp
$44,021
Base pay
$44,021
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$44,021
Hire date
2010-02-01
Middle name
S

Source-specific fields

Employee Identifier
c232d5c4-6615-4f31-8dcd-94a993c9c1c4
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
1133
Office
1060
Position Id
9901391

Reuben Edmonson holds the role of Chief Information Officer at County Treasurer. They have served since 2010 (about 8 years). In 2018, their total compensation was $44,021.

Samuel Steinberg

Chief Financial Officer/County Treasurer

2018 total comp
$44,021
Base pay
$44,021
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$44,021
Hire date
2003-04-14
Middle name
D

Source-specific fields

Employee Identifier
f8cb4767-2cb4-4aa5-9402-4a1be0c72f1e
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
120
Office
1060
Position Id
9501358

Samuel Steinberg is a Chief Financial Officer at County Treasurer. Their tenure dates to 2003, about 15 years. 2018 total compensation came to $44,021.