Illinois / State Police / Forensic Scientist III

Job-title file

Forensic Scientist III

Carry out the duties of this position in support of the agency's public mission.

70 employees hold this title in State Police. Median total compensation for the role is $108,750, above the department median of $78,900.

Employees: 70
Total payroll: $7.3M
Role median: $108,750
Agency median: $78,900
Comparison: Above

What the records show

Role pay distribution

Pay distribution for this role

$4,400$163,654+

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

How total compensation varies among the 70 people in this role. Even for one job title, pay differs with seniority, step, overtime, and tenure. Each bar is a pay range; the far-right bar collects the highest earners.

Compare jurisdictions

Forensic Scientist beyond Illinois

This role is reported in 13 jurisdictions. In Illinois, the median of $76,900 ranks #6 of 13. See Forensic Scientist across all of Illinois →

Highest-paying jurisdictions for this role

District of Columbia

$104,168 · 10

Minnesota

$80,922 · 146

City of Baltimore

$80,420 · 200

City of Salt Lake City

$78,561 · 5

Texas

$78,318 · 440

Missouri

$76,117 · 55

Johnson County, Kansas

$73,681 · 12

Arkansas

$71,027 · 77

Median total compensation for comparable Forensic Scientistroles in other jurisdictions. Titles are matched by normalized name across sources, not identical job classification, and pay is not cost-of-living adjusted. Each bar links to that jurisdiction’s page for the role.

Record list

Employees with this title

Page 1

Timothy Johnson

Forensic Scientist III/State Police

2025 total comp

$145,000

Sub-department: Personal Services - Code
Base pay: $0
Overtime: $0
Other pay: $145,000
Benefits: $0
Total compensation: $145,000
Union / bargaining unit: Collective Bargaining
Work county: St Clair

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $5,200
Rutan Exempt: No

Timothy Johnson is a Forensic Scientist III at State Police within Personal Services - Code. 2025 total compensation came to $145,000. Union affiliation: Collective Bargaining.

Steven Lotz

Forensic Scientist III/State Police

2025 total comp

$144,000

Sub-department: Personal Services - Code
Base pay: $0
Overtime: $0
Other pay: $144,000
Benefits: $0
Total compensation: $144,000
Union / bargaining unit: Collective Bargaining
Work county: Will

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $5,400
Rutan Exempt: No

Steven Lotz holds the role of Forensic Scientist III at State Police within Personal Services - Code. In 2025, their total compensation was $144,000. They are represented by Collective Bargaining.

Kimberlee Gruenstein

Forensic Scientist III/State Police

2025 total comp

$143,900

Sub-department: Forensic Backlog-Code Regular
Base pay: $0
Overtime: $0
Other pay: $143,900
Benefits: $0
Total compensation: $143,900
Union / bargaining unit: Collective Bargaining
Work county: Cook

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $6,100
Rutan Exempt: No

Kimberlee Gruenstein is a Forensic Scientist III at State Police within Forensic Backlog-Code Regular. 2025 total compensation came to $143,900. Union affiliation: Collective Bargaining.

Jennifer Mulrean

Forensic Scientist III/State Police

2025 total comp

$142,300

Sub-department: Personal Services - Code
Base pay: $0
Overtime: $0
Other pay: $142,300
Benefits: $0
Total compensation: $142,300
Union / bargaining unit: Collective Bargaining
Work county: St Clair

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $5,500
Rutan Exempt: No

At State Police, Jennifer Mulrean serves as a Forensic Scientist III within Personal Services - Code. Their 2025 pay totaled $142,300. Their bargaining unit is Collective Bargaining.

Kathryn Doolin

Forensic Scientist III/State Police

2025 total comp

$140,400

Sub-department: Personal Services - Code
Base pay: $0
Overtime: $0
Other pay: $140,400
Benefits: $0
Total compensation: $140,400
Union / bargaining unit: Collective Bargaining
Work county: Sangamon

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $5,200
Rutan Exempt: No

Kathryn Doolin is a Forensic Scientist III at State Police within Personal Services - Code. 2025 total compensation came to $140,400. Union affiliation: Collective Bargaining.

Lauryn Roberts

Forensic Scientist III/State Police

2025 total comp

$140,300

Sub-department: Personal Services - Code
Base pay: $0
Overtime: $0
Other pay: $140,300
Benefits: $0
Total compensation: $140,300
Union / bargaining unit: Collective Bargaining
Work county: St Clair

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $5,200
Rutan Exempt: No

Lauryn Roberts works as a Forensic Scientist III for State Police within Personal Services - Code. Lauryn earned $140,300 in 2025. Union affiliation: Collective Bargaining.