How to Become a Detectives and Criminal Investigators in Illinois
Detectives and Criminal Investigators in Illinois earn a median salary of $89,740/year, which is 4% below the national average. Illinois has a state income tax of ~4.9%. After taxes and rent, a detectives and criminal investigators takes home approximately $4,178/month. Most positions require High school diploma or equivalent.
What a detectives and criminal investigators can afford in Illinois
Becoming a detectives and criminal investigators in Illinois
Meet education requirements
Detectives and Criminal Investigators positions in Illinois typically require High school diploma or equivalent. Programs are available at colleges and training institutions across Illinois. Research accredited programs in your area.
Gain required experience
Many detectives and criminal investigators positions in Illinois require hands-on experience through internships, apprenticeships, or entry-level roles. Look for training programs and mentorship opportunities in your metro area.
Obtain Illinois licensure or certification
Illinois may require specific licensing or professional certification for detectives and criminal investigatorss. Requirements vary by state — contact the Illinois Department of Labor or relevant licensing board for current requirements, exam schedules, and application procedures.
Find positions in Illinois
Illinois employs 3,100 detectives and criminal investigators. The highest concentrations are in Rockford and Chicago-Naperville-Elgin.
Detectives and Criminal Investigators salary by metro area in Illinois
| Metro area | Median | Hourly | Employment |
|---|---|---|---|
| Rockford | $105K | $50.67/hr | 120 |
| Chicago-Naperville-Elgin | $102K | $49.22/hr | 2,170 |
| Springfield | $91K | $43.6/hr | 130 |
| Peoria | $79K | $37.88/hr | 70 |
| Champaign-Urbana | $73K | $35.33/hr | 50 |
Detectives and Criminal Investigators salary range in Illinois
Detectives and Criminal Investigators careers in other states
Frequently asked questions
How much does a detectives and criminal investigators make in Illinois?▼
The median detectives and criminal investigators salary in Illinois is $89,740 per year ($43.14/hr). This is 4% below the national median of $93,580. Salaries range from $53,600 to $158,720.
What are the requirements to become a detectives and criminal investigators in Illinois?▼
Detectives and Criminal Investigators positions in Illinois typically require High school diploma or equivalent. Illinois may have specific licensing or certification requirements. Check with the Illinois licensing board or department of labor for current requirements.
Can a detectives and criminal investigators afford to live in Illinois?▼
At the median salary of $89,740, a detectives and criminal investigators in Illinois would take home approximately $5,590/month after taxes. With median 2-bedroom rent at $1,412/month, that's 25.3% of take-home pay going to housing. This is within the recommended 30% guideline.
What are the best cities for detectives and criminal investigators in Illinois?▼
The highest paying metro areas for detectives and criminal investigators in Illinois are Rockford ($105,380), Chicago-Naperville-Elgin ($102,370), Springfield ($90,690). However, cost of living varies significantly between metros — a higher salary may not mean more purchasing power.
Does Illinois have state income tax for detectives and criminal investigators?▼
Yes, Illinois has a state income tax rate of approximately 4.9%. On a $89,740 salary, this means roughly $4,442/year in state income tax. Use our take-home pay calculator for a detailed breakdown.