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:
Where the paycheck goes
What $135K actually covers in Illinois, month by month
About first-line supervisors of police and detectives
Sponsored links, AffordMap may earn a commission at no cost to you. Learn more
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 detectives 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
Track first-line supervisors of police and detectives salary changes
BLS updates this data annually. We'll email you when Illinois numbers change.
Related careers in Public Safety
Quick answers
The stuff people actually ask about this job
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 $5,154/month. At HUD’s $1,407/month FMR, rent would take 27% 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.