FBI agency record
Cook County Sheriff's Office
Cook County, Illinois
Serves ~108,209 residents · LEMAS survey
The Cook County Sheriff's Office (CCSO) is the principal law enforcement agency that serves Cook County, Illinois. It is the second largest sheriff's office in the United States, with over 6,900 members when at full operational strength. It is headed by the Cook County Sheriff, currently Thomas Dart.
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Crime & staffing trends
No snapshot trend data is stored for this agency yet. Explore its full crime and employment history directly on the FBI Crime Data Explorer, which covers UCR summary data, NIBRS incidents, and police employment for ORI IL0160000.
NIBRS incident detail
Incident-based victim counts reported through NIBRS, from the FBI Crime Data Explorer.
Top 6 of 21 categories shown.
Top 6 of 19 categories shown.
Top 6 of 14 categories shown.
Open data
No open-data portal has been found for this agency. Discovery sweeps Socrata, ArcGIS, and CKAN portals on a schedule, so this can change. Know of a portal or dataset this agency publishes? Tell us.
Staffing
- Full-time sworn
- 540
- Full-time civilian
- 752
- Part-time civilian
- 20
- Total FT employees
- 5,124
- Population served
- 108,209
- Operating budget
- $573,162,818
Source: BJS LEMAS 2020 (ICPSR) · all waves 1987–2020
Employment counts for this agency are available through the FBI Crime Data Explorer.
Open data
POP conference activity
Agencies like this one
Compared by size, crime mix, rates, and staffing within the same agency class · precomputed from FBI trend and NIBRS data. Methodology: agency-metrics/metrics-spec.md
Assessing a response? These agencies double as informal comparison groups: if your trend falls while comparable agencies hold steady, the case that your response worked is much stronger. See the project report template.