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

Rocco Liace

Motor Vehicle Driver I/Office Chief Administrative Officer

2018 total comp

$19,936

Base pay: $19,936
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $19,936
Hire date: 2000-02-28
Middle name: A

Source-specific fields

Employee Identifier: 03bae6e2-a74f-4e45-907d-a6262eae1585
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 2381
Office: 1011
Position Id: 9900338

Rocco Liace works as a Motor Vehicle Driver I for Office Chief Administrative Officer. They have served since 2000 (about 18 years). Rocco earned $19,936 in 2018.