Detectives and Criminal Investigators Salary in Illinois

BLS OEWS May 2025 • 9 metro areas • Illinois

Detectives and Criminal Investigators in Illinois earn a median salary of $81,654 per year on average across 9 metro and nonmetro areas, -12.7% vs the national median of $93,580. An estimated 2,770 detectives and criminal investigators are employed across Illinois, with salaries ranging from $65,390 to $105,380 depending on location.

$81,654 Avg median salary in Illinois
$105,380 Highest paying metro
$65,390 Lowest paying metro
2,770 Employed in Illinois

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      Detectives and Criminal Investigators salaries by city in Illinois

      Metro area Median salary 25th pct 75th pct Employed
      Rockford, IL $105,380 $97,650 $105,380 120
      Chicago, IL-IN $102,370 $73,520 $125,990 2,170
      Springfield, IL $90,690 $70,790 $110,500 130
      Peoria, IL $78,780 $50,390 $89,400 70
      Northwest Illinois $73,650 $63,860 $89,980 60
      Champaign, IL $73,480 $63,400 $97,380 50
      West Central Illinois $72,750 $61,340 $82,790 60
      South Illinois $72,400 $65,320 $93,590 70
      East Central Illinois $65,390 $43,920 $78,020 40

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