First-Line Supervisors of Police and Detectives Salary
First-Line Supervisors of Police and Detectives in Illinois make a median of $135,080 a year, or about $64.94 an hour. The range runs from $82K at the entry level to $163K for experienced workers. Cost of living is below average (RPP 93.85), which stretches that salary to about $143,932 in buying power. Rent on a 2-bedroom averages $1,407/month, or 17.2% 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 $135K get you in Illinois?
About first-line supervisors of police and detectives
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What this looks like in Illinois
Illinois sits well above the national pay line for first-line supervisors of police and detectives, local pay runs about 27% higher than the U.S. median of $106K. Housing is manageable: a 2-bedroom at the HUD median costs $1,407/month, 17.5% 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. Combined with manageable housing costs, Illinois offers a genuinely strong financial position for first-line supervisors of police and detectivess at the median.
Compensation breakdown
Annual earnings by percentile, Illinois
Entry-level first-line supervisors of police and detectives (10th percentile) start around $82K. Mid-career wages sit at $135K. Top earners bring in $163K or more, a $81K spread from bottom to top.
First-Line Supervisors of Police and Detectives salary by metro in Illinois
6 metro areas with BLS data, ranked by median pay
| Metro area | Median salary | vs. state | Employment |
|---|---|---|---|
| Chicago-Naperville-Elgin | $135K | +0% | 3,800 |
| Bloomington | $134K | -1% | 60 |
| Springfield | $110K | -19% | 170 |
| Champaign-Urbana | $108K | -20% | 90 |
| Peoria | $99K | -26% | 80 |
| Rockford | $97K | -28% | 70 |
Compare to other states
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BLS updates this data quarterly. We'll email you when Illinois numbers change.
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Frequently asked questions
Can a first-line supervisors of police and detectif afford a 2BR apartment alone in Illinois?
Yes — at the median salary of $135K, rent takes 17.5% 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 first-line supervisors of police and detectives in Illinois?
The 10th-percentile wage — what new first-line supervisors of police and detectives typically earn — is $82K/year. Take-home on that works out to about $4,905/month. At HUD’s $1,407/month FMR, rent would take 29% of that take-home — manageable on an entry-level income.
Is first-line supervisors of police and detectif a high-paying job in Illinois?
Local pay is 27% above the national median — $135K here vs. $106K nationally.
How does Illinois compare to the national average for first-line supervisors of police and detectives?
Illinois pays $135K median vs. the U.S. average of $106K — that’s +27%. After adjusting for local cost of living (RPP 93.85), the purchasing-power equivalent is $144K — still ahead of the national median.
How much do first-line supervisors of police and detectives make in Illinois?
The median is $135,080 a year, that works out to about $65 an hour. But the range is wide: entry-level workers start around $81,750, and experienced first-line supervisors of police and detectives can clear $162,640. These are BLS numbers, based on employer-reported data, not self-reported surveys.
Is $135K enough to live in Illinois?
On that salary, you'd take home roughly $8,033/month after taxes. A 2-bedroom here rents for about $1,407/month, which eats 17.5% of your paycheck. That's under the 30% guideline most financial planners use, so the numbers work.
How far does a first-line supervisors of police and detectives 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 first-line supervisors of police and detectives salary is worth about $143,932 in national-average purchasing power.
Where do first-line supervisors of police and detectives 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.