Detectives and Criminal Investigators Salary
The median pay for a detectives and criminal investigators in Illinois is $91,190/year ($43.84/hour), per BLS data. The range runs from $54K at the entry level to $157K for experienced workers. Cost of living is below average (RPP 93.85), which stretches that salary to about $97,166 in buying power. Rent on a 2-bedroom averages $1,407/month, or 24.4% of estimated take-home pay.
Statewide average. Salary and cost of living vary significantly across Illinois. Jump to a metro for precise data:
So what does $91K get you in Illinois?
About detectives and criminal investigators
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What this looks like in Illinois
Detectives and criminal investigators pay in Illinois tracks closely to the national median, $91K locally vs. $94K nationwide, a 3% difference. Housing is manageable: a 2-bedroom at the HUD median costs $1,407/month, 24.8% of take-home, well inside the 30% guideline. Regional Price Parity sits at 93.85 (national = 100), meaning everyday costs run about 6% cheaper here. Your dollar stretches further than the headline salary suggests. Use the affordability calculator above to model your specific situation.
Compensation breakdown
Annual earnings by percentile, Illinois
Entry-level detectives and criminal investigators (10th percentile) start around $54K. Mid-career wages sit at $91K. Top earners bring in $157K or more, a $103K spread from bottom to top.
Detectives and Criminal Investigators salary by metro in Illinois
5 metro areas with BLS data, ranked by median pay
| Metro area | Median salary | vs. state | Employment |
|---|---|---|---|
| Rockford | $104K | +14% | 130 |
| Chicago-Naperville-Elgin | $102K | +12% | 2,290 |
| Springfield | $89K | -3% | 120 |
| Peoria | $74K | -19% | 80 |
| Champaign-Urbana | $73K | -19% | 60 |
Compare to other states
Track detectives and criminal investigators salary changes
BLS updates this data quarterly. We'll email you when Illinois numbers change.
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Frequently asked questions
Can a detectives and criminal investigator afford a 2BR apartment alone in Illinois?
Yes — at the median salary of $91K, rent takes 24.8% of take-home pay. A 2-bedroom at the HUD Fair Market Rent runs $1,407/month. That stays under the 30% guideline most financial planners use.
What’s the entry-level salary for detectives and criminal investigators in Illinois?
The 10th-percentile wage — what new detectives and criminal investigators typically earn — is $54K/year. Take-home on that works out to about $3,238/month. At HUD’s $1,407/month FMR, rent would take 43% of that take-home — above the 30% guideline, so a 1-bedroom or shared housing is likely necessary starting out.
Is detectives and criminal investigator a high-paying job in Illinois?
Pay here is roughly in line with the national average — $91K locally vs. $94K nationally, a 3% difference.
How does Illinois compare to the national average for detectives and criminal investigators?
Illinois pays $91K median vs. the U.S. average of $94K — that’s -3%. After adjusting for local cost of living (RPP 93.85), the purchasing-power equivalent is $97K — still ahead of the national median.
How much do detectives and criminal investigators make in Illinois?
The median is $91,190 a year, that works out to about $44 an hour. But the range is wide: entry-level workers start around $53,960, and experienced detectives and criminal investigators can clear $157,060. These are BLS numbers, based on employer-reported data, not self-reported surveys.
Is $91K enough to live in Illinois?
On that salary, you'd take home roughly $5,669/month after taxes. A 2-bedroom here rents for about $1,407/month, which eats 24.8% of your paycheck. That's under the 30% guideline most financial planners use, so the numbers work.
How far does a detectives and criminal investigators salary go in Illinois?
Illinois has a Regional Price Parity of 93.85 (100 is the national average). That's below average, your money stretches further here than the raw salary number suggests. After cost-of-living adjustment, the median detectives and criminal investigators salary is worth about $97,166 in national-average purchasing power.
Where do detectives and criminal investigators get paid the most?
The table above ranks every state by median pay for this role. Keep in mind that the highest-paying states tend to have the highest costs of living, so the top salary doesn't always mean the most money in your pocket.