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

$1,248$44,021+

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

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.

Year	Total payroll	Employees	Median 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

Isabela Artola

Student Administrative Aide/County Treasurer

2017 total comp

$2,775

Base pay: $2,775
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $2,775
Hire date: 2017-06-12

Source-specific fields

Employee Identifier: e0b9f1a3-053a-42d8-926e-a344fe1496b8
Fiscal Period: 2017Q3
Fiscal Quarter: 3
Job Code: 79
Office: 1060
Position Id: 1009072

Isabela Artola is a Student Administrative Aide at County Treasurer. Hired in 2017, they have under a year of service. 2017 total compensation came to $2,775.

Evangeline Alpogianis

Student Administrative Aide/County Treasurer

2017 total comp

$2,754

Base pay: $2,754
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $2,754
Hire date: 2017-07-24

Source-specific fields

Employee Identifier: d1e8a660-66eb-482a-99fa-398c884af155
Fiscal Period: 2017Q4
Fiscal Quarter: 4
Job Code: 79
Office: 1060
Position Id: 1009072

Evangeline Alpogianis works as a Student Administrative Aide for County Treasurer. Their tenure dates to 2017, under a year. Evangeline earned $2,754 in 2017.

Catherine Pienta

Administrative Analyst I/County Treasurer

2017 total comp

$2,620

Base pay: $2,620
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $2,620
Hire date: 1999-02-16

Source-specific fields

Employee Identifier: 61938525-3494-4e1a-9885-9c731b82c9e8
Fiscal Period: 2017Q4
Fiscal Quarter: 4
Job Code: 291
Office: 1060
Position Id: 9501530

Catherine Pienta works as a Administrative Analyst I for County Treasurer. Their tenure dates to 1999, about 18 years. Catherine earned $2,620 in 2017.

Tyrone Shavers

Student Administrative Aide/County Treasurer

2017 total comp

$2,556

Base pay: $2,556
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $2,556
Hire date: 2016-05-02
Middle name: T

Source-specific fields

Employee Identifier: e158bcdc-f6db-48be-ac60-761b98cc4499
Fiscal Period: 2017Q2
Fiscal Quarter: 2
Job Code: 79
Office: 1060
Position Id: 1009072

Tyrone Shavers works as a Student Administrative Aide for County Treasurer. Hired in 2016, they have about a year of service. Tyrone earned $2,556 in 2017.

Dylan Young

Administrative Analyst I/County Treasurer

2018 total comp

$2,531

Base pay: $2,531
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $2,531
Hire date: 2017-05-08
Middle name: J

Source-specific fields

Employee Identifier: 1fd31b16-cc8a-4efd-bc0c-fb9dc39de772
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 291
Office: 1060
Position Id: 100218

Dylan Young is a Administrative Analyst I at County Treasurer. They have served since 2017 (about a year). 2018 total compensation came to $2,531.

Demetrios Therios

Student Administrative Aide/County Treasurer

2017 total comp

$2,268

Base pay: $2,268
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $2,268
Hire date: 2017-05-31

Source-specific fields

Employee Identifier: e5044b8c-bb6d-488f-878b-8e392c81f2db
Fiscal Period: 2017Q3
Fiscal Quarter: 3
Job Code: 79
Office: 1060
Position Id: 1009072

Demetrios Therios works as a Student Administrative Aide for County Treasurer. Hired in 2017, they have under a year of service. Demetrios earned $2,268 in 2017.

Anny Aguilar

Student Administrative Aide/County Treasurer

2017 total comp

$2,139

Base pay: $2,139
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $2,139
Hire date: 2017-09-19

Source-specific fields

Employee Identifier: 6222d648-3e90-4c46-a935-906a48c7a5a3
Fiscal Period: 2017Q4
Fiscal Quarter: 4
Job Code: 79
Office: 1060
Position Id: 1009072

Anny Aguilar works as a Student Administrative Aide for County Treasurer. Hired in 2017, they have under a year of service. Anny earned $2,139 in 2017.

Katerina Karras

Student Administrative Aide/County Treasurer

2016 total comp

$2,112

Base pay: $2,112
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $2,112
Hire date: 2016-05-17

Source-specific fields

Employee Identifier: aba9217e-3936-4510-a92b-2196eda64ed8
Fiscal Period: 2016Q3
Fiscal Quarter: 3
Job Code: 79
Office: 1060
Position Id: 1009072

Katerina Karras is a Student Administrative Aide at County Treasurer. Hired in 2016, they have under a year of service. 2016 total compensation came to $2,112.

Sydney Kopp

Student Administrative Aide/County Treasurer

2017 total comp

$2,094

Base pay: $2,094
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $2,094
Hire date: 2017-05-22

Source-specific fields

Employee Identifier: fedf5e39-638d-460c-8802-5f87b7a52d18
Fiscal Period: 2017Q3
Fiscal Quarter: 3
Job Code: 79
Office: 1060
Position Id: 1009072

Sydney Kopp holds the role of Student Administrative Aide at County Treasurer. They have served since 2017 (under a year). In 2017, their total compensation was $2,094.

Mateusz Krajewski

Student Administrative Aide/County Treasurer

2017 total comp

$2,032

Base pay: $2,032
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $2,032
Hire date: 2017-11-01

Source-specific fields

Employee Identifier: 6792a2af-e840-48b5-a4a0-240cd1d11aef
Fiscal Period: 2017Q4
Fiscal Quarter: 4
Job Code: 79
Office: 1060
Position Id: 1009072

Mateusz Krajewski holds the role of Student Administrative Aide at County Treasurer. Their tenure dates to 2017, under a year. In 2017, their total compensation was $2,032.

Juanita Mendoza

Student Administrative Aide/County Treasurer

2017 total comp

$1,924

Base pay: $1,924
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $1,924
Hire date: 2015-02-19

Source-specific fields

Employee Identifier: 29abb024-bf63-4d15-b15a-be4074f2692b
Fiscal Period: 2017Q3
Fiscal Quarter: 3
Job Code: 79
Office: 1060
Position Id: 1009072

Juanita Mendoza is a Student Administrative Aide at County Treasurer. They have served since 2015 (about 2 years). 2017 total compensation came to $1,924.

Jennifer Perez

Student Administrative Aide/County Treasurer

2016 total comp

$1,920

Base pay: $1,920
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $1,920
Hire date: 2015-07-28

Source-specific fields

Employee Identifier: 77cff262-5078-4a4b-a949-8385a837544a
Fiscal Period: 2016Q1
Fiscal Quarter: 1
Job Code: 79
Office: 1060
Position Id: 1009072

Jennifer Perez holds the role of Student Administrative Aide at County Treasurer. Hired in 2015, they have about a year of service. In 2016, their total compensation was $1,920.

Joseph Fratto

Deputy County Treasurer/County Treasurer

2017 total comp

$1,887

Base pay: $1,887
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $1,887
Hire date: 2007-02-05
Middle name: M

Source-specific fields

Employee Identifier: 656ac251-3d46-4f8e-b81a-1e997311dd61
Fiscal Period: 2017Q3
Fiscal Quarter: 3
Job Code: 108
Office: 1060
Position Id: 9501317

Joseph Fratto holds the role of Deputy County Treasurer at County Treasurer. They have served since 2007 (about 10 years). In 2017, their total compensation was $1,887.

Joanna Vassilatos

Administrative Analyst II/County Treasurer

2017 total comp

$1,854

Base pay: $1,854
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $1,854
Hire date: 2017-11-15

Source-specific fields

Employee Identifier: 94b11308-97ff-41f3-8e78-0d6f56b88505
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 292
Office: 1060
Position Id: 206005

Joanna Vassilatos works as a Administrative Analyst II for County Treasurer. Hired in 2017, they have under a year of service. Joanna earned $1,854 in 2017.

Alexander Spiratos

Student Administrative Aide/County Treasurer

2018 total comp

$1,572

Base pay: $1,572
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $1,572
Hire date: 2018-01-16
Middle name: G

Source-specific fields

Employee Identifier: 4e954c53-0b85-436a-9158-4a6ee24192af
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 79
Office: 1060
Position Id: 1009072

Alexander Spiratos holds the role of Student Administrative Aide at County Treasurer. Hired in 2018, they have under a year of service. In 2018, their total compensation was $1,572.

Guadalupe Gonzalez

Student Administrative Aide/County Treasurer

2016 total comp

$1,566

Base pay: $1,566
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $1,566
Hire date: 2016-03-21

Source-specific fields

Employee Identifier: 2d751b8d-e70c-4a96-865b-94aed537f1d2
Fiscal Period: 2016Q3
Fiscal Quarter: 3
Job Code: 79
Office: 1060
Position Id: 1009072

Guadalupe Gonzalez holds the role of Student Administrative Aide at County Treasurer. Their tenure dates to 2016, under a year. In 2016, their total compensation was $1,566.

Tahiratou Diallo

Student Administrative Aide/County Treasurer

2016 total comp

$1,484

Base pay: $1,484
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $1,484
Hire date: 2016-02-08

Source-specific fields

Employee Identifier: 838148b5-a35f-459d-bef8-7e56738f342b
Fiscal Period: 2016Q4
Fiscal Quarter: 4
Job Code: 79
Office: 1060
Position Id: 1009072

At County Treasurer, Tahiratou Diallo serves as a Student Administrative Aide. They have served since 2016 (under a year). Their 2016 pay totaled $1,484.

Syed-Mehdi Rizvi

Student Administrative Aide/County Treasurer

2016 total comp

$1,383

Base pay: $1,383
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $1,383
Hire date: 2015-07-27
Middle name: M

Source-specific fields

Employee Identifier: 8a8a7182-cdf3-4869-a56e-fc05df12ef29
Fiscal Period: 2016Q1
Fiscal Quarter: 1
Job Code: 79
Office: 1060
Position Id: 1009072

At County Treasurer, Syed-Mehdi Rizvi serves as a Student Administrative Aide. Hired in 2015, they have about a year of service. Their 2016 pay totaled $1,383.

Constantina Mastoracos

Student Administrative Aide/County Treasurer

2018 total comp

$1,248

Base pay: $1,248
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $1,248
Hire date: 2017-05-08

Source-specific fields

Employee Identifier: 8dbc55d3-cbaa-4995-9bfa-1e2e30a91be1
Fiscal Period: 2018Q1
Fiscal Quarter: 1
Job Code: 79
Office: 1060
Position Id: 1009072

Constantina Mastoracos holds the role of Student Administrative Aide at County Treasurer. They have served since 2017 (about a year). In 2018, their total compensation was $1,248.