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Cook County, Illinois / County Auditor

Agency file

County Auditor

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

The County Auditor manages public finances — collecting revenue and taxes, budgeting, accounting, and financial oversight.

In 2018, this agency had 10 employees with median total compensation of $18,130; the highest distinct record was $33,387.

Year
2018
Total payroll
$206.9K
Employees
10
Median total
$18,130
Highest record
$33,387

What the records show

Compensation analytics

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

Salary distribution

How 2018 total compensation is spread across the 10 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($18,130) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

  • Base$20,688 (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
$15,589
$15,721
$18,130
$23,199
$30,826

The pay ladder for this department. Someone at the 90th percentile earns $30,826 — more than 90% of the department; the 10th percentile earns $15,589. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Field Auditor V
3 · $18,259
Field Auditor IV
3 · $15,589
IT Auditor
1 · $15,990

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.

YearTotal payrollEmployeesMedian pay
2016
$269.9K
13
$17,634
2017
$241.3K
10.6%
12
7.7%
$17,975
1.9%
2018
$206.9K
14.3%
10
16.7%
$18,130
0.9%

Record list

Employees

Page 1

Mark Wehren

Field Auditor V/County Auditor

2018 total comp
$18,259
Base pay
$18,259
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$18,259
Hire date
2013-09-23

Source-specific fields

Employee Identifier
36f7fe39-bc85-4a9f-a9ab-540240069293
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
137
Office
1070
Position Id
1500849

Mark Wehren is a Field Auditor V at County Auditor. Their tenure dates to 2013, about 5 years. 2018 total compensation came to $18,259.