Northern Illinois Data by Subject
Law Enforcement Personnel by Type


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Chicago-Naperville-Joliet, Illinois Metropolitan Division**

** The Chicago-Naperville-Joliet, Illinois Metropolitan Division (MD) consists of Cook, DeKalb, DuPage, Grundy, Kane, Kendall, McHenry and Will counties.

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  Boone County
  Bureau County
  Carroll County
  Cook County
  DeKalb County
  DuPage County
  Grundy County
  Henry County
  JoDaviess County
  Kane County
  Kankakee County
  Kendall County
  Lake County
  LaSalle County
  Lee County
  McHenry County
  Mercer County
  Ogle County
  Putnam County
  Rock Island County
  Stephenson County
  Whiteside County
  Will County
  Winnebago County
  Chicago MD
  Quad Cities MSA
  Rockford MSA
  State of Illinois

Year
Total
Population
Sworn
Full-Time
Civilian
Full-Time
Sworn
Part-Time
Auxiliary
Officers
Total
Personnel
Law Enforcement Personnel
Per 100,000 Population
2000
7,628,414
15,730
7,763
1,398
1,307
26,198
343.4
2001
7,643,524
15,281
8,404
1,039
1,171
25,895
338.8
2002
7,707,663
25,540
8,408
1,146
1,210
36,304
471.0
2003
7,759,068
25,861
8,381
1,274
946
36,462
469.9
2004
7,806,793
25,782
8,218
1,583
984
36,567
468.4
2005
7,882,729
26,198
8,854
1,464
960
37,476
475.4

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