Cook County, Illinois / Office Chief Administrative Officer

Agency file

Office Chief Administrative Officer

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

The Office Chief Administrative Officer is a government agency that delivers public services and programs within its jurisdiction.

In 2018, this agency had 78 employees with median total compensation of $16,070; the highest distinct record was $44,423.

Year: 2018
Total payroll: $1.4M
Employees: 78
Median total: $16,070
Highest record: $44,423

What the records show

Compensation analytics

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

Salary distribution

$1,577$31,629+

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 ($16,070) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

Base — $17,533 (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

$11,862

$12,829

$16,070

$21,527

$27,761

The pay ladder for this department. Someone at the 90th percentile earns $27,761 — more than 90% of the department; the 10th percentile earns $11,862. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Clerk V

11 · $12,716

Animal Control Warden

6 · $16,349

Clerk V (Seiu73)

5 · $14,162

Clerk IV (Seiu73)

4 · $12,971

Administrative Assistant III

3 · $18,101

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	$1.4M —	89 —	$15,158 —
2017	$1.5M ▲ 4.4%	83 ▼ 6.7%	$16,608 ▲ 9.6%
2018	$1.4M ▼ 6.5%	78 ▼ 6.0%	$16,070 ▼ 3.2%

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.

County Clerk Cook County, Illinois67% match
Court Records Allegheny County, Pennsylvania64% match

Record list

Employees

Page 1

Julia Aguilar

Accountant II/Office Chief Administrative Officer

2016 total comp

$4,961

Base pay: $4,961
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $4,961
Hire date: 1972-06-01

Source-specific fields

Employee Identifier: a612629f-3767-49ee-b2b4-090075f91284
Fiscal Period: 2016Q1
Fiscal Quarter: 1
Job Code: 142
Office: 1011
Position Id: 9518348

At Office Chief Administrative Officer, Julia Aguilar serves as a Accountant II. Hired in 1972, they have about 44 years of service. Their 2016 pay totaled $4,961.

Krystal Anderson

Bindery Digital Printer Operator/Office Chief Administrative Officer

2018 total comp

$4,712

Base pay: $4,712
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $4,712
Hire date: 2015-09-21
Middle name: R

Source-specific fields

Employee Identifier: f7c53227-f49e-4746-bf61-c2634ab8a69a
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 6052
Office: 1011
Position Id: 9500276

Krystal Anderson holds the role of Bindery Digital Printer Operator at Office Chief Administrative Officer. Hired in 2015, they have about 3 years of service. In 2018, their total compensation was $4,712.

Theodis Chandler

Clerk V/Office Chief Administrative Officer

2016 total comp

$4,313

Base pay: $4,313
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $4,313
Hire date: 1972-04-03

Source-specific fields

Employee Identifier: 8dfc8bd7-9d60-417d-92ed-47880909a390
Fiscal Period: 2016Q1
Fiscal Quarter: 1
Job Code: 907
Office: 1011
Position Id: 9518356

Theodis Chandler is a Clerk V at Office Chief Administrative Officer. They have served since 1972 (about 44 years). 2016 total compensation came to $4,313.

Donald Hughes

Clerk IV (Seiu73)/Office Chief Administrative Officer

2017 total comp

$4,148

Base pay: $4,148
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $4,148
Hire date: 1980-10-16

Source-specific fields

Employee Identifier: 652c73a6-4c7c-47ed-9def-3a0b2635de1c
Fiscal Period: 2017Q4
Fiscal Quarter: 4
Job Code: 6798
Office: 1011
Position Id: 9518342

At Office Chief Administrative Officer, Donald Hughes serves as a Clerk IV (Seiu73). They have served since 1980 (about 37 years). Their 2017 pay totaled $4,148.