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

Kevin Gillespie

Forensic Scientist III/State Police

2025 total comp

$114,900

Sub-department: Forensic Backlog-Code Regular
Base pay: $0
Overtime: $0
Other pay: $114,900
Benefits: $0
Total compensation: $114,900
Union / bargaining unit: Collective Bargaining
Work county: Cook

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $5,000
Rutan Exempt: No

At State Police, Kevin Gillespie serves as a Forensic Scientist III within Forensic Backlog-Code Regular. Their 2025 pay totaled $114,900. Union affiliation: Collective Bargaining.

Justyna Cioch

Forensic Scientist III/State Police

2025 total comp

$114,800

Sub-department: Personal Services - Code
Base pay: $0
Overtime: $0
Other pay: $114,800
Benefits: $0
Total compensation: $114,800
Union / bargaining unit: Collective Bargaining
Work county: Cook

Source-specific fields

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

Justyna Cioch is a Forensic Scientist III at State Police within Personal Services - Code. 2025 total compensation came to $114,800. Their bargaining unit is Collective Bargaining.

Katie Craft

Forensic Scientist III/State Police

2025 total comp

$113,600

Sub-department: Personal Services - Code
Base pay: $0
Overtime: $0
Other pay: $113,600
Benefits: $0
Total compensation: $113,600
Union / bargaining unit: Collective Bargaining
Work county: Cook

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $5,300
Rutan Exempt: No

At State Police, Katie Craft serves as a Forensic Scientist III within Personal Services - Code. Their 2025 pay totaled $113,600. Union affiliation: Collective Bargaining.

Christy Troxell-Thomas

Forensic Scientist III/State Police

2025 total comp

$113,200

Sub-department: Personal Services - Code
Base pay: $0
Overtime: $0
Other pay: $113,200
Benefits: $0
Total compensation: $113,200
Union / bargaining unit: Collective Bargaining
Work county: Sangamon

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $4,900
Rutan Exempt: No

Christy Troxell-Thomas is a Forensic Scientist III at State Police within Personal Services - Code. 2025 total compensation came to $113,200. They are represented by Collective Bargaining.

Mary Meaux

Forensic Scientist III/State Police

2025 total comp

$112,900

Sub-department: Personal Services - Code
Base pay: $0
Overtime: $0
Other pay: $112,900
Benefits: $0
Total compensation: $112,900
Union / bargaining unit: Collective Bargaining
Work county: Tazewell

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $4,300
Rutan Exempt: No

At State Police, Mary Meaux serves as a Forensic Scientist III within Personal Services - Code. Their 2025 pay totaled $112,900. Union affiliation: Collective Bargaining.

Terrence Grom

Forensic Scientist III/State Police

2023 total comp

$110,200

Sub-department: Personal Services - Code
Base pay: $0
Overtime: $0
Other pay: $110,200
Benefits: $0
Total compensation: $110,200
Union / bargaining unit: Collective Bargaining
Work county: Will

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $700
Rutan Exempt: No

Terrence Grom holds the role of Forensic Scientist III at State Police within Personal Services - Code. In 2023, their total compensation was $110,200. Their bargaining unit is Collective Bargaining.

Stephanie Williams

Forensic Scientist III/State Police

2025 total comp

$108,900

Sub-department: Personal Services - Code
Base pay: $0
Overtime: $0
Other pay: $108,900
Benefits: $0
Total compensation: $108,900
Union / bargaining unit: Collective Bargaining
Work county: Will

Source-specific fields

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

Stephanie Williams holds the role of Forensic Scientist III at State Police within Personal Services - Code. In 2025, their total compensation was $108,900. They are represented by Collective Bargaining.

Harrison Salzman

Forensic Scientist III/State Police

2025 total comp

$108,600

Sub-department: Personal Services - Code
Base pay: $0
Overtime: $0
Other pay: $108,600
Benefits: $0
Total compensation: $108,600
Union / bargaining unit: Collective Bargaining
Work county: Winnebago

Source-specific fields

4-D Exempt: Yes
Employment Status: CERTIFIED
Period Pay Rate: $4,700
Rutan Exempt: No

Harrison Salzman holds the role of Forensic Scientist III at State Police within Personal Services - Code. In 2025, their total compensation was $108,600. Union affiliation: Collective Bargaining.