Cook County, Illinois / Sixteenth District

Agency file

Sixteenth District

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

The Sixteenth District is a government agency that delivers public services and programs within its jurisdiction.

In 2018, this agency had 5 employees with median total compensation of $22,885; the highest distinct record was $29,481.

Year: 2018
Employees: 5
Median total: $22,885
Highest record: $29,481

What the records show

Compensation analytics

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

Salary distribution

$14,123$29,481+

How 2018 total compensation is spread across the 5 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($22,885) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

Base — $22,317 (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

$14,123

$16,154

$22,885

$28,942

$29,481

The pay ladder for this department. Someone at the 90th percentile earns $29,481 — more than 90% of the department; the 10th percentile earns $14,123. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Aide to the Commissioner II

4 · $22,548

County Commissioner

1 · $22,885

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.

Record list

Employees

Highest-paid first / page 1

Patrick Doherty

Aide to the Commissioner II/Sixteenth District

2018 total comp

$29,481

Base pay: $29,481
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $29,481
Hire date: 2010-12-06

Source-specific fields

Employee Identifier: 11950ee3-574b-4f04-bf93-bc48ec65439a
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 6792
Office: 1096
Position Id: 9500434

Patrick Doherty works as a Aide to the Commissioner II for Sixteenth District. Hired in 2010, they have about 8 years of service. Patrick earned $29,481 in 2018.

Carlos Aparicio

Aide to the Commissioner II/Sixteenth District

2018 total comp

$28,942

Base pay: $28,942
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $28,942
Hire date: 2010-05-10
Middle name: P

Source-specific fields

Employee Identifier: 11a23af8-8d3b-4511-bc6a-e631b1e271af
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 6792
Office: 1096
Position Id: 9500436

At Sixteenth District, Carlos Aparicio serves as a Aide to the Commissioner II. They have served since 2010 (about 8 years). Their 2018 pay totaled $28,942.

Jeffrey Tobolski

County Commissioner/Sixteenth District

2018 total comp

$22,885

Base pay: $22,885
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $22,885
Hire date: 2010-12-06

Source-specific fields

Employee Identifier: 6ca7417d-b410-4c85-8c02-d02df7e7c056
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 6
Office: 1096
Position Id: 9500433

Jeffrey Tobolski works as a County Commissioner for Sixteenth District. Their tenure dates to 2010, about 8 years. Jeffrey earned $22,885 in 2018.

Jennifer Arquilla

Aide to the Commissioner II/Sixteenth District

2018 total comp

$16,154

Base pay: $16,154
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $16,154
Hire date: 2018-02-13
Middle name: E

Source-specific fields

Employee Identifier: a8da65f6-ac46-43d7-9a61-479b4cafeb51
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 6792
Office: 1096
Position Id: 9700437

At Sixteenth District, Jennifer Arquilla serves as a Aide to the Commissioner II. Their tenure dates to 2018, under a year. Their 2018 pay totaled $16,154.

Heather Reilly

Aide to the Commissioner II/Sixteenth District

2018 total comp

$14,123

Base pay: $14,123
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $14,123
Hire date: 2010-12-06

Source-specific fields

Employee Identifier: fe4adfc1-b515-4fab-94e7-7ab28294f6ba
Fiscal Period: 2018Q1
Fiscal Quarter: 1
Job Code: 6792
Office: 1096
Position Id: 9700437

Heather Reilly is a Aide to the Commissioner II at Sixteenth District. They have served since 2010 (about 8 years). 2018 total compensation came to $14,123.

Edward Olivieri

Commissioners Staff/Sixteenth District

2016 total comp

$3,681

Base pay: $3,681
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $3,681
Hire date: 2006-05-30
Middle name: H

Source-specific fields

Employee Identifier: 7085b2f6-1d5b-4eda-9dcd-cbd09783a82e
Fiscal Period: 2016Q2
Fiscal Quarter: 2
Job Code: 4783
Office: 1096
Position Id: 9500436

Edward Olivieri is a Commissioners Staff at Sixteenth District. They have served since 2006 (about 10 years). 2016 total compensation came to $3,681.