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Detectives and Criminal Investigators Salary in Illinois

Last updated: 2025 BLS data · Page refreshed:

How much do Detectives and Criminal Investigators make in Illinois?

Last updated: 2025 data from the Bureau of Labor Statistics

$91,190
Median Annual Salary
▲ +1.6% vs 2024
$97,480
Mean Salary
$91,190
Median Salary
$43.84
Hourly Rate
3,270 people work as Detectives and Criminal Investigators in Illinois

Detectives and Criminal Investigators salary by percentile in Illinois

BLS-reported salary distribution — from entry-level (10th percentile) to top earners (90th percentile).

Detectives and Criminal Investigators salary in Illinois — 2025 BLS percentilesHorizontal bars showing 10th, 25th, 50th, 75th and 90th percentile annual salaries for Detectives and Criminal Investigators in Illinois.10thBottom 10% earn less than $53,960$53,96025th25% earn less than $69,590$69,590MedianHalf earn more than $91,190$91,19075th75% earn less than $114,640$114,64090thTop 10% earn more than $157,060$157,060

Detectives and Criminal Investigators in Illinois earn a median salary of $91,190 per year ($7,599/month). This is 0.6% above the national average of $90,619. Illinois ranks #22 out of 51 states for Detectives and Criminal Investigators pay. Approximately 3,270 people work in this occupation across Illinois. Salaries increased by 1.6% compared to 2024.

About This Job: Detectives and Criminal Investigators

Conduct investigations related to suspected violations of federal, state, or local laws to prevent or solve crimes.

Top Skills

Active Listening
4.38
Speaking
4.25
Reading Comprehension
4.12
Critical Thinking
4.12
Writing
4.0

Key Knowledge Areas

Law and Government
4.84
English Language
4.78
Public Safety and Security
4.61
Customer and Personal Service
4.02
Computers and Electronics
3.87
Typical Education: Bachelor's Degree (73.9% of workers)

Source: O*NET OnLine, U.S. Department of Labor

Salary Range: Detectives and Criminal Investigators in Illinois

Salaries for Detectives and Criminal Investigators in Illinois range from $53,960 at the 10th percentile (entry level) to $157,060 at the 90th percentile (experienced). The middle 50% earn between $69,590 and $114,640.

Median $91,190
P10: $53,960 P25: $69,590 P75: $114,640 P90: $157,060
10th
$53,960
25th
$69,590
Median
$91,190
75th
$114,640
90th
$157,060
Percentile Annual Salary Hourly Rate Monthly
10th Percentile (Entry Level) $53,960 $25.94 $4,496
25th Percentile $69,590 $33.46 $5,799
Median (50th) $91,190 $43.84 $7,599
75th Percentile $114,640 $55.12 $9,553
90th Percentile (Experienced) $157,060 $75.51 $13,088

Note: The mean (average) salary of $97,480 differs from the median because salary distributions are typically skewed by high earners.

📊 How Does This Compare?

#22
Illinois ranks #22 of 51 states
$90,619
National avg. for Detectives and Criminal Investigators
+0.6%
vs. national average
Near Average

What does this salary really buy? See Detectives and Criminal Investigators salary in Illinois adjusted for cost of living →

How much do you actually take home? See Detectives and Criminal Investigators take-home pay in Illinois after taxes →

Explore Detectives and Criminal Investigators Data in Illinois

Detectives and Criminal Investigators Salary by State

Compare Detectives and Criminal Investigators pay across states — sorted by highest median salary.

View all 50 states →

Frequently Asked Questions

How much do Detectives and Criminal Investigators make in Illinois?
The median annual salary for Detectives and Criminal Investigators in Illinois is $91,190 as of 2025. The average (mean) salary is $97,480.
What is the salary range for a Detectives and Criminal Investigators in Illinois?
Salaries for Detectives and Criminal Investigators in Illinois range from $53,960 at the 10th percentile to $157,060 at the 90th percentile. The middle 50% earn between $69,590 and $114,640.
What is the starting salary for a Detectives and Criminal Investigators in Illinois?
Entry-level Detectives and Criminal Investigators positions in Illinois typically start around $53,960 (10th percentile). With some experience, salaries rise to $69,590 (25th percentile).
How many people work as Detectives and Criminal Investigators in Illinois?
According to 2025 BLS data, approximately 3,270 people are employed as Detectives and Criminal Investigators in Illinois.
What is the hourly rate for a Detectives and Criminal Investigators in Illinois?
Based on a standard 2,080-hour work year, the median hourly rate for a Detectives and Criminal Investigators in Illinois is approximately $43.84 per hour.

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Data Source & Methodology

Salary data is sourced from the U.S. Bureau of Labor Statistics (BLS) Occupational Employment and Wage Statistics (OEWS) survey, 2025 estimates. The OEWS survey covers approximately 1.1 million establishments nationwide.

Annual salaries are calculated based on a standard 2,080-hour work year. Actual compensation may vary based on experience, education, employer, and local market conditions. Figures do not include benefits, bonuses, or overtime pay.

Our Methodology · Data Sources · Source: BLS OEWS

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