What departments does Cook County Sheriff’s Office have?

Cook County Sheriff’s Office has employees across 11 departments including Finance, Entrepreneurship, Administrative, Program & Project Management, Information Technology.

What is the largest department at Cook County Sheriff’s Office?

The largest department at Cook County Sheriff’s Office is Finance with 4 employees.

Where are Cook County Sheriff’s Office employees located globally?

Cook County Sheriff’s Office has employees across 5 continents and 10 countries including Uganda, Afghanistan, China, France, United Kingdom Of Great Britain And Northern Ireland.

How has Cook County Sheriff’s Office's team size changed over time?

Cook County Sheriff’s Office's team has decreased from approximately 15K to 786 employees based on available data.

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Cook County Sheriff’s Office Employee Directory

Law EnforcementIllinois, United States1001-5000 Employees

The Cook County Sheriff’s Office is a law enforcement agency based in Chicago, Illinois. It is led by Sheriff Tom Dart and operates with a substantial workforce. The office maintains a website at cookcountysheriff.org and is described in its LinkedIn profile as Sheriff Tom Dart’s official page for the office, noting that messages are not monitored 24/7.

As part of the law enforcement field, the office provides public safety and enforcement services within Cook County, addressing local safety needs and information access for residents and visitors. The available information presents the organization as a county-level public safety entity with a digital presence for communication.

Cook County Sheriff’s Office Global Highlights

North America
7.1K

United States Of America
7.1K
Mexico
1
Trinidad And Tobago
1
Canada
1

Europe
4

France
2
United Kingdom Of Great Britain And Northern Ireland
2

Asia
2

Afghanistan
1
China
1

South America
2

Argentina
2

Africa
1

Uganda
1

Cook County Sheriff’s Office's Leadership

E. G.
Chief Financial Officer
Mobile Phone
Email
D. B.
Chief Financial Officer
Mobile Phone
Email
T. O.
Chief Strategy Officer And J.P.S
Mobile Phone
Email
D. M.
Chief Deputy Treasurer
Mobile Phone
Email
D. W.
Chief Deputy Sheriff
Mobile Phone
Email
G. S.
Chief Of Administration
Mobile Phone
Email
J. F.
Chief Deputy
Mobile Phone
Email
J. B.
Chief Deputy Sheriff
Mobile Phone
Email

Cook County Sheriff’s Office Employee Metrics

100%

50%

2026

2025

Military & Protective Services
Administrative
Legal
Information Technology
Analytics
Other
Business
Community & Social Services
Program & Project Management

Contact profiles from Cook County Sheriff’s Office

Name

Title

Contact

Location

Last Update

M. W.
Chief Deputy Bookkeeper
Mobile Phone
Email
Oct 16, 2024
R. B.
Chief Of Staff-Information Technology (it), Finance
Mobile Phone
Email
Aug 28, 2025
S. G.
Sheriff S Chief Deputy
Mobile Phone
Email
Oct 23, 2024
A. S.
Landfill Director
Mobile Phone
Email
Oct 21, 2024
A. C.
Director
Mobile Phone
Email
Oct 22, 2024
A. O.
Deputy Director
Mobile Phone
Email
Oct 17, 2024
A. M.
Director
Mobile Phone
Email
Oct 16, 2024
A. B.
Witness Assistance Program Director
Mobile Phone
Email
Oct 23, 2024
B. K.
Director Of Information Technology Services
Mobile Phone
Email
Nov 14, 2023
C. K.
Director Energy Construction And Facility Managememt Advisory Specialists
Mobile Phone
Email
Oct 16, 2024

Frequently Asked Questions

What is Cook County Sheriff’s Office known for?

Cook County Sheriff’s Office operates in the Law Enforcement industry; you can contact the main corporate office by phone at

+1-312-603-****

. Explore Cook County Sheriff’s Office's company overview page for more information.

What is Cook County Sheriff’s Office's most common email format?

Cook County Sheriff’s Office employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Cook County Sheriff’s Office email formats with LeadIQ.

How many employees does Cook County Sheriff’s Office have currently?

Cook County Sheriff’s Office has approximately 1.8K employees as of July 2026. These team members are located across 5 continents, including North AmericaEuropeAsia.

Who are Cook County Sheriff’s Office's key employees and leadership?

As of July 2026, Cook County Sheriff’s Office's key employees include:

Chief Financial Officer: E. G.
Chief Financial Officer: D. B.
Chief Strategy Officer And J.P.S: T. O.
Chief Deputy Treasurer: D. M.
Chief Deputy Sheriff: D. W.

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Cook County Sheriff’s Office Employee Directory

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