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How much does a Private investigator make in Illinois?
$46,313
/ Annual
Based on 56 salaries
The average private investigator salary in Illinois is $46,313 per year or $22.27 per hour. Entry level positions start at $43,875 per year while most experienced workers make up to $50,960 per year.
Median
$46,313
chart
Low
$43,875
High
$50,960

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