Agency file

First District

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

The First 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 $18,846; the highest distinct record was $22,885.

Year: 2018
Total payroll: $87K
Employees: 5
Median total: $18,846
Highest record: $22,885

What the records show

Compensation analytics

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

Salary distribution

$12,115$22,885+

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

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 ($18,846) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

Base — $17,394 (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

$12,115

$12,500

$18,846

$20,624

$22,885

The pay ladder for this department. Someone at the 90th percentile earns $22,885 — more than 90% of the department; the 10th percentile earns $12,115. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Aide to the Commissioner II

3 · $18,846

County Commissioner

1 · $20,624

Aide to the Commissioner I

1 · $12,115

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	$103.7K —	6 —	$16,873 —
2017	$96K ▼ 7.4%	6 ±0%	$18,173 ▲ 7.7%
2018	$87K ▼ 9.4%	5 ▼ 16.7%	$18,846 ▲ 3.7%

Record list

Employees

Page 1

Patrick Oldendorf

Aide to the Commissioner II/First District

2018 total comp

$18,846

Base pay: $18,846
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $18,846
Hire date: 2016-08-23
Middle name: J

Source-specific fields

Employee Identifier: 9b9aee12-3503-4a03-b403-c820b9f66708
Fiscal Period: 2018Q2
Fiscal Quarter: 2
Job Code: 6792
Office: 1081
Position Id: 9500361

At First District, Patrick Oldendorf serves as a Aide to the Commissioner II. Their tenure dates to 2016, about 2 years. Their 2018 pay totaled $18,846.