How to Get a Private Investigator License in Chicago, Illinois
Last updated: March 2, 2026
Quick Facts — Chicago
Median Salary (National)
$52,120/yr
Education Required
0 hrs
Total Cost
$2,500
City Population
2,664,452
Private Investigator licensing in Chicago follows Illinois's statewide requirements — the Illinois Department of Financial and Professional Regulation (IDFPR) issues all private investigator licenses regardless of which city you're in. You'll need to complete the required training , pass the Illinois PI Licensing Exam, and submit your application. The total cost ranges from $2,000 to $3,000. For the complete step-by-step process, see our Illinois private investigator license guide.
Illinois Private Investigator Requirements
| Requirement | Details |
|---|---|
| Minimum Age | 21 years old |
| Pre-License Education | 0 hours |
| Degree Required | No |
| Exam Required | Yes — Illinois PI Licensing Exam |
| Passing Score | 70% |
| Background Check | Yes |
| Broker Sponsorship | Not required |
| Application Fee | $300 |
| Exam Fee | $50 |
| Governing Body | Illinois Department of Financial and Professional Regulation (IDFPR) |
| License Reciprocity | Partial |
These requirements apply statewide in Illinois, including Chicago and Cook County. See the full Illinois guide for step-by-step instructions →
Working as a Private Investigator in Chicago
Chicago (2,664,452 population) is one of the largest cities in Illinois, located in Cook County. Private Investigators in the Chicago area serve a large and diverse local population, creating strong demand for licensed professionals.
The national median salary for private investigators is $52,120 per year. Actual earnings in Chicago may vary based on local cost of living, experience level, employer, and specialization. Larger metro areas typically offer higher compensation to offset the higher cost of living.
Once licensed by the Illinois Department of Financial and Professional Regulation (IDFPR), your is valid throughout Illinois — you can work in Chicago, Cook County, or any other location in the state without additional local licensing . Your license must be renewed every 3 years at a cost of $300.
How Much Does It Cost?
Education/Training
$1,200
Exam Fee
$50
Application Fee
$300
Total Estimate
$2,000 – $3,000
Costs are the same across Illinois — Chicago residents pay the same state fees. Living expenses and school tuition may vary by location.
Frequently Asked Questions
How long does it take to get a private investigator license in Illinois?
Most people complete the process in 2-4 weeks total. There are no pre-license education requirements. After completing education, the exam and application process typically adds 2-6 weeks.
How much does it cost to get a private investigator license in Illinois?
The total cost ranges from $2,000 to $3,000, including pre-license education, the application fee ($300), and the exam fee ($50).
Can I get an Illinois private investigator license with a criminal record?
The Illinois Department of Financial and Professional Regulation (IDFPR) evaluates criminal history on a case-by-case basis. Having a criminal record does not automatically disqualify you, but certain offenses may affect your eligibility. Contact the Illinois Department of Financial and Professional Regulation (IDFPR) for guidance before applying.
Do I need a college degree to become a private investigator in Illinois?
No. Illinois does not require a college degree. No pre-license coursework is required.
Can I take the pre-license courses online in Illinois?
Many approved education providers offer pre-license courses online, allowing you to study at your own pace. Check the Illinois Department of Financial and Professional Regulation (IDFPR) website for a list of approved providers.
Complete Illinois Private Investigator License Guide
For detailed step-by-step instructions, exam prep tips, renewal information, and key considerations, see our comprehensive Illinois guide.
Read Full Illinois Guide →