Private Detectives and Investigators Salary in Illinois
BLS OEWS May 2025 • 4 metro areas • Illinois
Private Detectives and Investigators in Illinois earn a median salary of $58,100 per year on average across 4 metro and nonmetro areas, +10.9% vs the national median of $52,370. An estimated 1,440 private detectives and investigators are employed across Illinois, with salaries ranging from $39,050 to $77,680 depending on location.
$58,100
Avg median salary in Illinois
$77,680
Highest paying metro
$39,050
Lowest paying metro
1,440
Employed in Illinois
Compare Private Detectives and Investigators salaries & buying power
Pick two cities to see how salary and purchasing power differ.
Private Detectives and Investigators
in
Private Detectives and Investigators salaries by city in Illinois
| Metro area | Median salary | 25th pct | 75th pct | Employed |
|---|---|---|---|---|
| Chicago, IL-IN | $77,680 | $51,840 | $90,700 | 1,320 |
| Northwest Illinois | $62,230 | $43,310 | $74,320 | 60 |
| Peoria, IL | $53,440 | $38,320 | $71,740 | 30 |
| East Central Illinois | $39,050 | $36,060 | $46,950 | 30 |